#include "TMath.h"
#include "TRandom.h"
+#include "TDatabasePDG.h"
#include "AliGenMUONlib.h"
ClassImp(AliGenMUONlib)
//
// Pions
-Double_t AliGenMUONlib::PtPion(Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtPion(const Double_t *px, const Double_t* /*dummy*/)
{
//
// PT-PARAMETERIZATION CDF, PRL 61(88) 1819
//
// y-distribution
//
-Double_t AliGenMUONlib::YPion( Double_t *py, Double_t *dummy)
+Double_t AliGenMUONlib::YPion( const Double_t *py, const Double_t */*dummy*/)
{
// Pion y
Double_t y=TMath::Abs(*py);
//
// pt-distribution
//____________________________________________________________
-Double_t AliGenMUONlib::PtKaon( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtKaon( const Double_t *px, const Double_t */*dummy*/)
{
// Kaon pT
return PtScal(*px,2);
// y-distribution
//____________________________________________________________
-Double_t AliGenMUONlib::YKaon( Double_t *py, Double_t *dummy)
+Double_t AliGenMUONlib::YKaon( const Double_t *py, const Double_t */*dummy*/)
{
// Kaon y
Double_t y=TMath::Abs(*py);
//
// pt-distribution
//____________________________________________________________
-Double_t AliGenMUONlib::PtJpsi( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPPdummy(Double_t x, Double_t energy)
{
// J/Psi pT
- const Double_t kpt0 = 4.;
- const Double_t kxn = 3.6;
- Double_t x=*px;
+// pp
+// from the fit of RHIC, CDF & LHC data, see arXiv:1103.2394
+//
+ const Double_t kpt0 = 1.04*TMath::Power(energy,0.101);
+ const Double_t kxn = 3.9;
//
- Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ Double_t pass1 = 1.+0.363*(x/kpt0)*(x/kpt0);
return x/TMath::Power(pass1,kxn);
}
-Double_t AliGenMUONlib::PtJpsiPbPb( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPP7000(const Double_t *px, const Double_t */*dummy*/)
{
-// J/Psi pT spectrum
-//
-// R. Vogt 2002
-// PbPb 5.5 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+// J/Psi pT
+// pp 7 TeV
//
- Float_t x = px[0];
- Float_t c[8] = {
- -2.13098e+00, 9.46552e+00, -5.06799e+00, 1.27260e+00,
- -1.83806e-01, 1.55853e-02, -7.23241e-04, 1.42105e-05
- };
-
- Double_t y;
- if (x < 10.) {
- Int_t j;
- y = c[j = 7];
- while (j > 0) y = y * x +c[--j];
- y = x * TMath::Exp(y);
- } else {
- y = 0.;
- }
- return y;
+ return PtJpsiPPdummy(*px,7000);
}
-Double_t AliGenMUONlib::PtJpsiPP( Double_t *px, Double_t *dummy)
+
+Double_t AliGenMUONlib::PtJpsiPP2760(const Double_t *px, const Double_t */*dummy*/)
{
-// J/Psi pT spectrum
-//
-// R. Vogt 2002
-// pp 14 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+// J/Psi pT
+// pp 2.76 TeV
//
- Float_t x = px[0];
- Float_t c[4] = {8.47471e+00, -1.93567e+00, 1.50271e-01, -5.51212e-03};
-
- Double_t y;
- if (x < 10.) {
- Int_t j;
- y = c[j = 3];
- while (j > 0) y = y * x +c[--j];
- y = x * TMath::Exp(y);
- } else {
- y = 0.;
- }
- return y;
+ return PtJpsiPPdummy(*px,2760);
}
-//
-// y-distribution
-//____________________________________________________________
-Double_t AliGenMUONlib::YJpsi(Double_t *py, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPP4400(const Double_t *px, const Double_t */*dummy*/)
{
-// J/psi y
- const Double_t ky0 = 4.;
- const Double_t kb=1.;
- Double_t yj;
- Double_t y=TMath::Abs(*py);
- //
- if (y < ky0)
- yj=kb;
- else
- yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
- return yj;
+// J/Psi pT
+// pp 4.4 TeV
+//
+ return PtJpsiPPdummy(*px,4400);
}
-
-Double_t AliGenMUONlib::YJpsiPbPb( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPP5030(const Double_t *px, const Double_t */*dummy*/)
{
-
+// J/Psi pT
+// pp 5.03 TeV
//
-// J/Psi y
+ return PtJpsiPPdummy(*px,5030);
+}
+
+Double_t AliGenMUONlib::PtJpsiPP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT
+// pp 8.8 TeV
//
+ return PtJpsiPPdummy(*px,8800);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs pT for PbPb min. bias and 11 centr. bins (in 2.5<y<4)
//
-// R. Vogt 2002
-// PbPb 5.5 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+// PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.66 in 4pi
+// S.Grigoryan, details presented at the PWG3-Muon meeting (05.10.2011)
+// https://indico.cern.ch/conferenceDisplay.py?confId=157367
//
- Double_t c[5] = {-6.03425e+02, 4.98257e+02, -1.38794e+02, 1.62209e+01, -6.85955e-01};
- Double_t x = TMath::Abs(px[0]);
- Double_t y;
-
- if (x < 4.) {
- y = 31.754;
- } else if (x < 6) {
- Int_t j;
- y = c[j = 4];
- while (j > 0) y = y * x + c[--j];
- } else {
- y =0.;
- }
-
- return y;
+ const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558,
+ 0.428, 0.317, 0.231, 0.156};
+ const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224,
+ 0.106, 0.041, 0.013, 0.002};
+ const Double_t c1[7] = {1.6077e+00, 7.6300e-02,-7.1880e-03, 3.4067e-04,
+ -9.2776e-06,1.5138e-07, 1.4652e-09};
+ const Double_t c2[7] = {6.2047e-01, 5.7653e-02,-4.1414e-03, 1.0301e-04,
+ 9.6205e-07,-7.4098e-08, 5.0946e-09};
+ Double_t y1, y2;
+ Int_t j;
+ y1 = c1[j = 6]; y2 = c2[6];
+ while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];}
+
+ y1 /= 1.+c1[6]*TMath::Power(x,6);
+ y2 /= 1.+c2[6]*TMath::Power(x,6);
+ //
+ y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n];
+ if(y1<0) y1=0;
+ return y1;
}
-Double_t AliGenMUONlib::YJpsiPP( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPbPb2760(const Double_t *px, const Double_t *dummy)
{
-
-//
-// J/Psi y
+// J/Psi pT
+// PbPb 2.76 TeV, minimum bias 0-100 %
//
+ return PtJpsiPbPb2760ShFdummy(*px, 0) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c1(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 1st centrality bin 0-5 %
//
-// R. Vogt 2002
-// pp 14 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+ return PtJpsiPbPb2760ShFdummy(*px, 1) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c2(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 2nd centrality bin 5-10 %
//
+ return PtJpsiPbPb2760ShFdummy(*px, 2) * PtJpsiPP2760(px, dummy);
+}
- Double_t c[5] = {1.38532e+00, 1.00596e+02, -3.46378e+01, 3.94172e+00, -1.48319e-01};
- Double_t x = TMath::Abs(px[0]);
- Double_t y;
-
- if (x < 2.5) {
- y = 96.455 - 0.8483 * x * x;
- } else if (x < 7.9) {
- Int_t j;
- y = c[j = 4];
- while (j > 0) y = y * x + c[--j];
- } else {
- y =0.;
- }
-
- return y;
+Double_t AliGenMUONlib::PtJpsiPbPb2760c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 3rd centrality bin 10-20 %
+//
+ return PtJpsiPbPb2760ShFdummy(*px, 3) * PtJpsiPP2760(px, dummy);
}
-// particle composition
+Double_t AliGenMUONlib::PtJpsiPbPb2760c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 4th centrality bin 20-30 %
//
-Int_t AliGenMUONlib::IpJpsi(TRandom *)
+ return PtJpsiPbPb2760ShFdummy(*px, 4) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c5(const Double_t *px, const Double_t *dummy)
{
-// J/Psi composition
- return 443;
+// J/Psi pT
+// PbPb 2.76 TeV, 5th centrality bin 30-40 %
+//
+ return PtJpsiPbPb2760ShFdummy(*px, 5) * PtJpsiPP2760(px, dummy);
}
-// Upsilon
+Double_t AliGenMUONlib::PtJpsiPbPb2760c6(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 6th centrality bin 40-50 %
//
+ return PtJpsiPbPb2760ShFdummy(*px, 6) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c7(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 7th centrality bin 50-60 %
//
-// pt-distribution
-//____________________________________________________________
-Double_t AliGenMUONlib::PtUpsilon( Double_t *px, Double_t *dummy )
+ return PtJpsiPbPb2760ShFdummy(*px, 7) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c8(const Double_t *px, const Double_t *dummy)
{
-// Upsilon pT
- const Double_t kpt0 = 5.3;
- const Double_t kxn = 2.5;
- Double_t x=*px;
- //
- Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
- return x/TMath::Power(pass1,kxn);
+// J/Psi pT
+// PbPb 2.76 TeV, 8th centrality bin 60-70 %
+//
+ return PtJpsiPbPb2760ShFdummy(*px, 8) * PtJpsiPP2760(px, dummy);
}
-Double_t AliGenMUONlib::PtUpsilonPbPb( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPbPb2760c9(const Double_t *px, const Double_t *dummy)
{
+// J/Psi pT
+// PbPb 2.76 TeV, 9th centrality bin 70-80 %
+//
+ return PtJpsiPbPb2760ShFdummy(*px, 9) * PtJpsiPP2760(px, dummy);
+}
+Double_t AliGenMUONlib::PtJpsiPbPb2760c10(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 10th centrality bin 80-90 %
//
-// Upsilon pT
+ return PtJpsiPbPb2760ShFdummy(*px, 10) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbPb2760c11(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// PbPb 2.76 TeV, 11th centrality bin 90-100 %
//
+ return PtJpsiPbPb2760ShFdummy(*px, 11) * PtJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb5030ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4)
//
-// R. Vogt 2002
-// PbPb 5.5 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+// pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi
//
- Float_t x = px[0];
- Double_t c[8] = {
- -1.03488e+01, 1.28065e+01, -6.60500e+00, 1.66140e+00,
- -2.34293e-01, 1.86925e-02, -7.80708e-04, 1.30610e-05
- };
- Double_t y;
- if (x < 10.) {
- Int_t j;
- y = c[j = 7];
- while (j > 0) y = y * x +c[--j];
- y = x * TMath::Exp(y);
- } else {
- y = 0.;
- }
- return y;
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {6.675e-01, 1.808e-02, 2.721e-03,-7.793e-04, 7.504e-05,-3.884e-06, 5.759e-07};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[6]*TMath::Power(x,6);
+ //
+ return 1 + (y-1)*f[n];
}
-Double_t AliGenMUONlib::PtUpsilonPP( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPPb5030(const Double_t *px, const Double_t *dummy)
{
+// J/Psi pT
+// pPb 5.03 TeV, minimum bias 0-100 %
+//
+ return PtJpsiPPb5030ShFdummy(*px, 0) * PtJpsiPP5030(px, dummy);
+}
+Double_t AliGenMUONlib::PtJpsiPPb5030c1(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 5.03 TeV, 1st centrality bin 0-20 %
//
-// Upsilon pT
+ return PtJpsiPPb5030ShFdummy(*px, 1) * PtJpsiPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb5030c2(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 5.03 TeV, 2nd centrality bin 20-40 %
//
+ return PtJpsiPPb5030ShFdummy(*px, 2) * PtJpsiPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb5030c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 5.03 TeV, 3rd centrality bin 40-60 %
//
-// R. Vogt 2002
-// pp 14 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+ return PtJpsiPPb5030ShFdummy(*px, 3) * PtJpsiPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb5030c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 5.03 TeV, 4th centrality bin 60-100 %
//
- Float_t x = px[0];
- Double_t c[8] = {-7.93955e+00, 1.06306e+01, -5.21392e+00, 1.19703e+00,
- -1.45718e-01, 8.95151e-03, -2.04806e-04, -1.13053e-06};
-
- Double_t y;
- if (x < 10.) {
- Int_t j;
- y = c[j = 7];
- while (j > 0) y = y * x +c[--j];
- y = x * TMath::Exp(y);
- } else {
- y = 0.;
- }
- return y;
+ return PtJpsiPPb5030ShFdummy(*px, 4) * PtJpsiPP5030(px, dummy);
}
+Double_t AliGenMUONlib::PtJpsiPbP5030ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4)
//
-// y-distribution
+// Pbp 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi
//
-//____________________________________________________________
-Double_t AliGenMUONlib::YUpsilon(Double_t *py, Double_t *dummy)
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {8.966e-01, 3.498e-02, 6.637e-03,-1.765e-03, 1.240e-04,-2.086e-06, 4.062e-07};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[6]*TMath::Power(x,6);
+ //
+ return 1 + (y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP5030(const Double_t *px, const Double_t *dummy)
{
-// Upsilon y
- const Double_t ky0 = 3.;
- const Double_t kb=1.;
- Double_t yu;
- Double_t y=TMath::Abs(*py);
- //
- if (y < ky0)
- yu=kb;
- else
- yu=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
- return yu;
+// J/Psi pT
+// Pbp 5.03 TeV, minimum bias 0-100 %
+//
+ return PtJpsiPbP5030ShFdummy(*px, 0) * PtJpsiPP5030(px, dummy);
}
+Double_t AliGenMUONlib::PtJpsiPbP5030c1(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 5.03 TeV, 1st centrality bin 0-20 %
+//
+ return PtJpsiPbP5030ShFdummy(*px, 1) * PtJpsiPP5030(px, dummy);
+}
-Double_t AliGenMUONlib::YUpsilonPbPb( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPbP5030c2(const Double_t *px, const Double_t *dummy)
{
+// J/Psi pT
+// Pbp 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ return PtJpsiPbP5030ShFdummy(*px, 2) * PtJpsiPP5030(px, dummy);
+}
+Double_t AliGenMUONlib::PtJpsiPbP5030c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 5.03 TeV, 3rd centrality bin 40-60 %
//
-// Upsilon y
+ return PtJpsiPbP5030ShFdummy(*px, 3) * PtJpsiPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP5030c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 5.03 TeV, 4th centrality bin 60-100 %
//
+ return PtJpsiPbP5030ShFdummy(*px, 4) * PtJpsiPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb8800ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4)
//
-// R. Vogt 2002
-// PbPb 5.5 TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+// pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi
//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {6.4922e-01, 6.4857e-03, 4.7268e-03,-9.5075e-04,
+ 8.4075e-05,-4.2006e-06, 4.9970e-07};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[6]*TMath::Power(x,6);
+ //
+ return 1 + (y-1)*f[n];
+}
- Double_t c[7] = {3.40036e-01, -3.98882e-07, -4.48398e-03, 8.46411e-08, -6.10854e-04,
- -2.99753e-09, 1.28895e-05};
-
- Double_t x = px[0];
- if (TMath::Abs(x) > 5.55) return 0.;
- Int_t j;
- Double_t y = c[j = 6];
- while (j > 0) y = y * x +c[--j];
- return y;
+Double_t AliGenMUONlib::PtJpsiPPb8800(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 8.8 TeV, minimum bias 0-100 %
+//
+ return PtJpsiPPb8800ShFdummy(*px, 0) * PtJpsiPP8800(px, dummy);
}
-Double_t AliGenMUONlib::YUpsilonPP( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::PtJpsiPPb8800c1(const Double_t *px, const Double_t *dummy)
{
+// J/Psi pT
+// pPb 8.8 TeV, 1st centrality bin 0-20 %
+//
+ return PtJpsiPPb8800ShFdummy(*px, 1) * PtJpsiPP8800(px, dummy);
+}
+Double_t AliGenMUONlib::PtJpsiPPb8800c2(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 8.8 TeV, 2nd centrality bin 20-40 %
//
-// Upsilon y
+ return PtJpsiPPb8800ShFdummy(*px, 2) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb8800c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 8.8 TeV, 3rd centrality bin 40-60 %
//
+ return PtJpsiPPb8800ShFdummy(*px, 3) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPPb8800c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// pPb 8.8 TeV, 4th centrality bin 60-100 %
//
-// R. Vogt 2002
-// p p 14. TeV
-// MRST HO
-// mc = 1.4 GeV, pt-kick 1 GeV
+ return PtJpsiPPb8800ShFdummy(*px, 4) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP8800ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4)
//
- Double_t c[7] = {8.91936e-01, -6.46645e-07, -1.52774e-02, 4.28677e-08, -7.01517e-04,
- -6.20539e-10, 1.29943e-05};
-
- Double_t x = px[0];
- if (TMath::Abs(x) > 6.2) return 0.;
- Int_t j;
- Double_t y = c[j = 6];
- while (j > 0) y = y * x +c[--j];
- return y;
+// Pbp 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {8.7562e-01, 2.1944e-02, 7.8509e-03,-1.3979e-03,
+ 3.8513e-05, 4.2008e-06, 1.7088e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[6]*TMath::Power(x,6);
+ //
+ return 1 + (y-1)*f[n];
}
-// particle composition
+Double_t AliGenMUONlib::PtJpsiPbP8800(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 8.8 TeV, minimum bias 0-100 %
//
-Int_t AliGenMUONlib::IpUpsilon(TRandom *)
+ return PtJpsiPbP8800ShFdummy(*px, 0) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP8800c1(const Double_t *px, const Double_t *dummy)
{
-// y composition
- return 553;
+// J/Psi pT
+// Pbp 8.8 TeV, 1st centrality bin 0-20 %
+//
+ return PtJpsiPbP8800ShFdummy(*px, 1) * PtJpsiPP8800(px, dummy);
}
+Double_t AliGenMUONlib::PtJpsiPbP8800c2(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 8.8 TeV, 2nd centrality bin 20-40 %
//
-// Phi
+ return PtJpsiPbP8800ShFdummy(*px, 2) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP8800c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 8.8 TeV, 3rd centrality bin 40-60 %
//
+ return PtJpsiPbP8800ShFdummy(*px, 3) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiPbP8800c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+// Pbp 8.8 TeV, 4th centrality bin 60-100 %
//
-// pt-distribution (by scaling of pion distribution)
-//____________________________________________________________
-Double_t AliGenMUONlib::PtPhi( Double_t *px, Double_t *dummy)
+ return PtJpsiPbP8800ShFdummy(*px, 4) * PtJpsiPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsi( const Double_t *px, const Double_t */*dummy*/)
{
-// Phi pT
- return PtScal(*px,7);
+// J/Psi pT
+ const Double_t kpt0 = 4.;
+ const Double_t kxn = 3.6;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
}
-// y-distribution
-Double_t AliGenMUONlib::YPhi( Double_t *px, Double_t *dummy)
+
+Double_t AliGenMUONlib::PtJpsiCDFscaled( const Double_t *px, const Double_t */*dummy*/)
{
-// Phi y
- Double_t *dum=0;
- return YJpsi(px,dum);
+// J/Psi pT
+//
+// PbPb 5.5 TeV
+// scaled from CDF data at 2 TeV
+// see S.Grigoryan, PWG3 Meeting, 27th Oct 2008
+
+ const Double_t kpt0 = 5.100;
+ const Double_t kxn = 4.102;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
}
-// particle composition
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT
//
-Int_t AliGenMUONlib::IpPhi(TRandom *)
+// pp 14 TeV
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 5.630;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/)
{
-// Phi composition
- return 333;
+// J/Psi pT
+//
+// pp 10 TeV
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 5.334;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
}
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT
//
-// omega
+// pp 8.8 TeV
+// scaled from CDF data at 2 TeV
+//
+ const Double_t kpt0 = 5.245;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT
//
+// pp 7 TeV
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 5.072;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT
//
-// pt-distribution (by scaling of pion distribution)
-//____________________________________________________________
-Double_t AliGenMUONlib::PtOmega( Double_t *px, Double_t *dummy)
+// pp 3.94 TeV
+// scaled from CDF data at 2 TeV
+//
+ const Double_t kpt0 = 4.647;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP3( const Double_t *px, const Double_t */*dummy*/)
{
-// Omega pT
- return PtScal(*px,5);
+// J/Psi pT
+//
+// pp 2.76 TeV
+// scaled from CDF data at 1.9 TeV
+//
+ const Double_t kpt0 = 4.435;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
}
-// y-distribution
-Double_t AliGenMUONlib::YOmega( Double_t *px, Double_t *dummy)
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPP2( const Double_t *px, const Double_t */*dummy*/)
{
-// Omega y
- Double_t *dum=0;
- return YJpsi(px,dum);
+// J/Psi pT
+//
+// pp 1.96 TeV
+// fit of the CDF data at 1.96 TeV
+//
+ const Double_t kpt0 = 4.233;
+ const Double_t kxn = 4.071;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
}
-// particle composition
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPPb9( const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
//
-Int_t AliGenMUONlib::IpOmega(TRandom *)
+// pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79
+//
+ Double_t c[5] = {6.42774e-01, 1.86168e-02, -6.77296e-04, 8.93512e-06, 1.31586e-07};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtJpsiCDFscaledPP9(px,dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPbP9( const Double_t *px, const Double_t *dummy)
{
-// Omega composition
- return 223;
+// J/Psi pT
+//
+// Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79
+//
+ Double_t c[5] = {8.58557e-01, 5.39791e-02, -4.75180e-03, 2.49463e-04, 5.52396e-05};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtJpsiCDFscaledPP9(px,dummy);
+}
+
+Double_t AliGenMUONlib::PtJpsiCDFscaledPbPb4( const Double_t *px, const Double_t *dummy)
+{
+// J/Psi pT
+//
+// PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.66
+//
+ Double_t c[5] = {6.01022e-01, 4.70988e-02, -2.27917e-03, 3.09885e-05, 1.31955e-06};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtJpsiCDFscaledPP4(px,dummy);
}
+Double_t AliGenMUONlib::PtJpsiFlat( const Double_t */*px*/, const Double_t */*dummy*/ )
+{
+ return 1.;
+}
+Double_t AliGenMUONlib::PtJpsiPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT spectrum
//
-// Eta
+// R. Vogt 2002
+// PbPb 5.5 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+ Float_t x = px[0];
+ Float_t c[8] = {
+ -2.13098e+00, 9.46552e+00, -5.06799e+00, 1.27260e+00,
+ -1.83806e-01, 1.55853e-02, -7.23241e-04, 1.42105e-05
+ };
+
+ Double_t y;
+ if (x < 10.) {
+ Int_t j;
+ y = c[j = 7];
+ while (j > 0) y = y * x +c[--j];
+ y = x * TMath::Exp(y);
+ } else {
+ y = 0.;
+ }
+ return y;
+}
+
+Double_t AliGenMUONlib::PtJpsiBPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT spectrum
+// B -> J/Psi X
+ Double_t x0 = 4.0384;
+ Double_t n = 3.0288;
+
+ Double_t x = px[0];
+ Double_t y = x / TMath::Power((1. + (x/x0)*(x/x0)), n);
+
+ return y;
+}
+
+
+Double_t AliGenMUONlib::PtJpsiPP( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi pT spectrum
//
+// R. Vogt 2002
+// pp 14 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
//
-// pt-distribution (by scaling of pion distribution)
+ Float_t x = px[0];
+ Float_t c[4] = {8.47471e+00, -1.93567e+00, 1.50271e-01, -5.51212e-03};
+
+ Double_t y;
+ if (x < 10.) {
+ Int_t j;
+ y = c[j = 3];
+ while (j > 0) y = y * x +c[--j];
+ y = x * TMath::Exp(y);
+ } else {
+ y = 0.;
+ }
+ return y;
+}
+
+//
+// y-distribution
//____________________________________________________________
-Double_t AliGenMUONlib::PtEta( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YJpsiPPdummy(Double_t x, Double_t energy)
+{
+// J/Psi y
+// pp
+// from the fit of RHIC + LHC data, see arXiv:1103.2394
+//
+ x = x/TMath::Log(energy/3.097);
+ x = x*x;
+ Double_t y = TMath::Exp(-x/0.4/0.4/2);
+ if(x > 1) y=0;
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiPPpoly(Double_t x, Double_t energy)
+{
+// J/Psi y
+// pp
+// from the fit of RHIC + LHC data, see arXiv:1103.2394
+//
+ x = x/TMath::Log(energy/3.097);
+ x = x*x;
+ Double_t y = 1 - 6.9*x*x;
+ if(y < 0) y=0;
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiPP7000(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 7 TeV
+//
+ return YJpsiPPdummy(*px, 7000);
+}
+
+Double_t AliGenMUONlib::YJpsiPP2760(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 2.76 TeV
+//
+ return YJpsiPPdummy(*px, 2760);
+}
+
+Double_t AliGenMUONlib::YJpsiPP4400(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 4.4 TeV
+//
+ return YJpsiPPdummy(*px, 4400);
+}
+
+Double_t AliGenMUONlib::YJpsiPP5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 5.03 TeV
+//
+ return YJpsiPPdummy(*px, 5030);
+}
+
+Double_t AliGenMUONlib::YJpsiPP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 8.8 TeV
+//
+ return YJpsiPPdummy(*px, 8800);
+}
+
+Double_t AliGenMUONlib::YJpsiPPpoly7000(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 7 TeV
+//
+ return YJpsiPPpoly(*px, 7000);
+}
+
+Double_t AliGenMUONlib::YJpsiPPpoly2760(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 2.76 TeV
+//
+ return YJpsiPPpoly(*px, 2760);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs y for PbPb min. bias and 11 centr. bins
+//
+// PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.66 in 4pi
+//
+ const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558,
+ 0.428, 0.317, 0.231, 0.156};
+ const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224,
+ 0.106, 0.041, 0.013, 0.002};
+ const Double_t c1[5] = {1.5591e+00, 7.5827e-03, 2.0676e-03,-1.1717e-04, 1.5237e-06};
+ const Double_t c2[5] = {6.0861e-01, 4.8854e-03, 1.3685e-03,-7.9182e-05, 1.0475e-06};
+
+ x = x*x;
+ Double_t y1, y2;
+ Int_t j;
+ y1 = c1[j = 4]; y2 = c2[4];
+ while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];}
+
+ y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n];
+ if(y1<0) y1=0;
+ return y1;
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, minimum bias 0-100 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 0) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c1(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 1st centrality bin 0-5 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 1) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c2(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 2nd centrality bin 5-10 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 2) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c3(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 3rd centrality bin 10-20 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 3) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c4(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 4th centrality bin 20-30 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 4) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c5(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 5th centrality bin 30-40 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 5) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c6(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 6th centrality bin 40-50 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 6) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c7(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 7th centrality bin 50-60 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 7) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c8(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 8th centrality bin 60-70 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 8) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c9(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 9th centrality bin 70-80 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 9) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c10(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 10th centrality bin 80-90 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 10) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPbPb2760c11(const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+// PbPb 2.76 TeV, 11th centrality bin 90-100 %
+//
+ return YJpsiPbPb2760ShFdummy(*px, 11) * YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiPP5030dummy(Double_t px)
+{
+ return AliGenMUONlib::YJpsiPP5030(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs y for pPb min. bias and 4 centr. bins
+//
+// pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.81 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {7.641e-01, 1.611e-02, 4.109e-03, 2.818e-03, 3.359e-04,-6.376e-05,-9.717e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+ //
+ return 1 +(y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 5.03 TeV, minimum bias 0-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 0) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 5.03 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 1) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 2) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 3) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb5030c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 5.03 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 4) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 5.03 TeV, minimum bias 0-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 0) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP5030c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 5.03 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 1) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP5030c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 2) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP5030c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 3) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP5030c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 5.03 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb5030ShFdummy(x, 4) * YJpsiPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPP8800dummy(Double_t px)
+{
+ return AliGenMUONlib::YJpsiPP8800(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800ShFdummy(Double_t x, Int_t n)
+{
+// J/Psi shadowing factor vs y for pPb min. bias and 4 centr. bins
+//
+// pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.78 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {7.4372e-01, 2.3299e-02, 2.8678e-03, 1.9595e-03,
+ 3.2849e-04,-4.0547e-05,-7.9732e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+ //
+ return 1 +(y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 8.8 TeV, minimum bias 0-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 0) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 8.8 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 1) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 2) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 3) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPPb8800c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pPb 8.8 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 4) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 8.8 TeV, minimum bias 0-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 0) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP8800c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 8.8 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 1) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP8800c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 2) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP8800c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 3) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiPbP8800c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// Pbp 8.8 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YJpsiPPb8800ShFdummy(x, 4) * YJpsiPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsi(const Double_t *py, const Double_t */*dummy*/)
+{
+// J/psi y
+ const Double_t ky0 = 4.;
+ const Double_t kb=1.;
+ Double_t yj;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yj=kb;
+ else
+ yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yj;
+}
+
+Double_t AliGenMUONlib::YJpsiFlat( const Double_t */*py*/, const Double_t */*dummy*/ )
+{
+ return 1.;
+}
+
+
+Double_t AliGenMUONlib::YJpsiPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+
+//
+// J/Psi y
+//
+//
+// R. Vogt 2002
+// PbPb 5.5 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+ Double_t c[5] = {-6.03425e+02, 4.98257e+02, -1.38794e+02, 1.62209e+01, -6.85955e-01};
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 4.) {
+ y = 31.754;
+ } else if (x < 6) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaled( const Double_t *px, const Double_t* dummy)
+{
+ // J/Psi y
+ return AliGenMUONlib::YJpsiPbPb(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP( const Double_t *px, const Double_t* dummy)
+{
+ // J/Psi y
+ return AliGenMUONlib::YJpsiPP(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// pp 10 TeV
+// scaled from YJpsiPP(14 TeV) using 10 TeV / 14 TeV ratio of y-spectra in LO pQCD.
+// see S.Grigoryan, PWG3 Meeting, 27th Oct 2008
+//
+
+ Double_t c[5] = {2.46681e+01, 8.91486e+01, -3.21227e+01, 3.63075e+00, -1.32047e-01};
+
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 3.2) {
+ y = 98.523 - 1.3664 * x * x;
+ } else if (x < 7.5) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ if(y<0) y=0;
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// pp 8.8 TeV
+// rescaling of YJpsiPP(14 TeV) using 8.8 TeV / 14 TeV ratio of y-spectra in LO QCD
+//
+ Double_t c[5] = {3.33882e+02, -1.30980e+02, 2.59082e+01, -3.08935e+00, 1.56375e-01};
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 3.7) {
+ y = 99.236 - 1.5498 * x * x;
+ } else if (x < 7.4) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ if(y<0) y=0;
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP9dummy(Double_t px)
+{
+ return AliGenMUONlib::YJpsiCDFscaledPP9(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// pp 7 TeV
+// scaled from YJpsiPP(14 TeV) using 7 TeV / 14 TeV ratio of y-spectra in LO pQCD.
+//
+
+ Double_t c[5] = {6.71181e+02, -3.69240e+02, 8.89644e+01, -1.04937e+01, 4.80959e-01};
+
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 4.0) {
+ y = 100.78 - 1.8353 * x * x;
+ } else if (x < 7.3) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ if(y<0) y=0;
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// pp 3.94 TeV
+// rescaling of YJpsiPP(14 TeV) using 3.94 TeV / 14 TeV ratio of y-spectra in LO QCD
+//
+ Double_t c[5] = {4.00785e+02, -1.41159e+01, -3.28599e+01, 5.53048e+00, -2.45151e-01};
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 5.5) {
+ y = 107.389 - 2.7454 * x * x;
+ } else if (x < 7.0) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ if(y<0) y=0;
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP3( const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+ return AliGenMUONlib::YJpsiPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPP2( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+// pp 1.96 TeV
+//
+ return YJpsiPPdummy(*px, 1960);
+}
+
+Double_t AliGenMUONlib::YJpsiPP( const Double_t *px, const Double_t */*dummy*/)
+{
+
+//
+// J/Psi y
+//
+//
+// R. Vogt 2002
+// pp 14 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+
+ Double_t c[5] = {1.38532e+00, 1.00596e+02, -3.46378e+01, 3.94172e+00, -1.48319e-01};
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x < 2.5) {
+ y = 96.455 - 0.8483 * x * x;
+ } else if (x < 7.9) {
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ } else {
+ y =0.;
+ }
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPPb9( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79
+//
+ Double_t c[7] = {7.52296e-01, 2.49917e-02, 3.36500e-03, 1.91187e-03, 2.92154e-04,
+ -4.16509e-05,-7.62709e-06};
+ Double_t y;
+ Double_t x = px[0] + 0.47; // rapidity shift
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YJpsiCDFscaledPP9dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPbP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// J/Psi y
+//
+// Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.79
+//
+ Double_t c[7] = {7.52296e-01, 2.49917e-02, 3.36500e-03, 1.91187e-03, 2.92154e-04,
+ -4.16509e-05,-7.62709e-06};
+ Double_t y;
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YJpsiCDFscaledPP9dummy(x);
+}
+
+Double_t AliGenMUONlib::YJpsiCDFscaledPbPb4( const Double_t *px, const Double_t *dummy)
+{
+// J/Psi y
+//
+// PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.66
+//
+ Double_t c[4] = {5.95228e-01, 9.45069e-03, 2.44710e-04, -1.32894e-05};
+ Double_t x = px[0]*px[0];
+ Double_t y;
+ Int_t j;
+ y = c[j = 3];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YJpsiCDFscaledPP4(px,dummy);
+}
+
+Double_t AliGenMUONlib::YJpsiBPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+
+//
+// J/Psi from B->J/Psi X
+//
+//
+
+
+ Double_t c[7] = {7.37025e-02, 0., -2.94487e-03, 0., 6.07953e-06, 0., 5.39219e-07};
+
+ Double_t x = TMath::Abs(px[0]);
+ Double_t y;
+
+ if (x > 6.) {
+ y = 0.;
+ } else {
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ }
+
+ return y;
+}
+
+
+
+// particle composition
+//
+Int_t AliGenMUONlib::IpJpsi(TRandom *)
+{
+// J/Psi composition
+ return 443;
+}
+Int_t AliGenMUONlib::IpPsiP(TRandom *)
+{
+// Psi prime composition
+ return 100443;
+}
+Int_t AliGenMUONlib::IpJpsiFamily(TRandom *)
+{
+// J/Psi composition
+ Int_t ip;
+ Float_t r = gRandom->Rndm();
+ if (r < 0.98) {
+ ip = 443;
+ } else {
+ ip = 100443;
+ }
+ return ip;
+}
+
+
+
+// Upsilon
+//
+//
+// pt-distribution
+//____________________________________________________________
+Double_t AliGenMUONlib::PtUpsilonPPdummy(Double_t x, Double_t energy)
+{
+// Upsilon pT
+// pp
+// from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394
+//
+ const Double_t kpt0 = 1.96*TMath::Power(energy,0.095);
+ const Double_t kxn = 3.4;
+ //
+ Double_t pass1 = 1.+0.471*(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP7000(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+// pp 7 TeV
+//
+ return PtUpsilonPPdummy(*px,7000);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP2760(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+// pp 2.76 TeV
+//
+ return PtUpsilonPPdummy(*px,2760);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP4400(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+// pp 4.4 TeV
+//
+ return PtUpsilonPPdummy(*px,4400);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+// pp 5.03 TeV
+//
+ return PtUpsilonPPdummy(*px,5030);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+// pp 8.8 TeV
+//
+ return PtUpsilonPPdummy(*px,8800);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760ShFdummy(Double_t x, Int_t n)
+{
+// Usilon shadowing factor vs pT for PbPb min. bias and 11 centr. bins (in 2.5<y<4)
+//
+// PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.87 in 4pi
+//
+ const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558,
+ 0.428, 0.317, 0.231, 0.156};
+ const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224,
+ 0.106, 0.041, 0.013, 0.002};
+ const Double_t c1[7] = {1.9089e+00, 1.2969e-03, 8.9786e-05,-5.3062e-06,
+ -1.0046e-06,6.1446e-08, 1.0885e-09};
+ const Double_t c2[7] = {8.8423e-01,-8.7488e-05, 5.9857e-04,-5.7959e-05,
+ 2.0059e-06,-2.7343e-08, 6.6053e-10};
+ Double_t y1, y2;
+ Int_t j;
+ y1 = c1[j = 6]; y2 = c2[6];
+ while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];}
+
+ y1 /= 1.+c1[6]*TMath::Power(x,6);
+ y2 /= 1.+c2[6]*TMath::Power(x,6);
+ //
+ y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n];
+ if(y1<0) y1=0;
+ return y1;
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, minimum bias 0-100 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 0) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 1st centrality bin 0-5 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 1) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 2nd centrality bin 5-10 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 2) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 3rd centrality bin 10-20 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 3) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 4th centrality bin 20-30 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 4) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c5(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 5th centrality bin 30-40 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 5) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c6(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 6th centrality bin 40-50 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 6) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c7(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 7th centrality bin 50-60 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 7) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c8(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 8th centrality bin 60-70 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 8) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c9(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 9th centrality bin 70-80 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 9) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c10(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 10th centrality bin 80-90 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 10) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb2760c11(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// PbPb 2.76 TeV, 11th centrality bin 90-100 %
+//
+ return PtUpsilonPbPb2760ShFdummy(*px, 11) * PtUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4)
+//
+// pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[5] = {8.069e-01, 1.407e-04, 4.372e-04,-2.797e-05, 4.405e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[4]*TMath::Power(x,4);
+ //
+ return 1 + (y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 5.03 TeV, minimum bias 0-100 %
+//
+ return PtUpsilonPPb5030ShFdummy(*px, 0) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 5.03 TeV, 1st centrality bin 0-20 %
+//
+ return PtUpsilonPPb5030ShFdummy(*px, 1) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ return PtUpsilonPPb5030ShFdummy(*px, 2) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ return PtUpsilonPPb5030ShFdummy(*px, 3) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb5030c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 5.03 TeV, 4th centrality bin 60-100 %
+//
+ return PtUpsilonPPb5030ShFdummy(*px, 4) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4)
+//
+// Pbp 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[5] = {1.122, 2.565e-03,-3.025e-04, 4.113e-06, 6.140e-07};
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[4]*TMath::Power(x,4);
+ //
+ return 1 + (y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 5.03 TeV, minimum bias 0-100 %
+//
+ return PtUpsilonPbP5030ShFdummy(*px, 0) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 5.03 TeV, 1st centrality bin 0-20 %
+//
+ return PtUpsilonPbP5030ShFdummy(*px, 1) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ return PtUpsilonPbP5030ShFdummy(*px, 2) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ return PtUpsilonPbP5030ShFdummy(*px, 3) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP5030c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 5.03 TeV, 4th centrality bin 60-100 %
+//
+ return PtUpsilonPbP5030ShFdummy(*px, 4) * PtUpsilonPP5030(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs pT for pPb min. bias and 4 centr. bins (in 2.5<y<4)
+//
+// pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[5] = {7.6561e-01, 1.1360e-04, 4.9596e-04,-3.0287e-05, 3.7555e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[4]*TMath::Power(x,4);
+ //
+ return 1 + (y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 8.8 TeV, minimum bias 0-100 %
+//
+ return PtUpsilonPPb8800ShFdummy(*px, 0) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 8.8 TeV, 1st centrality bin 0-20 %
+//
+ return PtUpsilonPPb8800ShFdummy(*px, 1) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ return PtUpsilonPPb8800ShFdummy(*px, 2) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ return PtUpsilonPPb8800ShFdummy(*px, 3) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPPb8800c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// pPb 8.8 TeV, 4th centrality bin 60-100 %
+//
+ return PtUpsilonPPb8800ShFdummy(*px, 4) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs pT for Pbp min. bias and 4 centr. bins (in 2.5<y<4)
+//
+// Pbp 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[5] = {1.0975, 3.1905e-03,-2.0477e-04, 8.5270e-06, 2.5343e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ y /= 1 + c[4]*TMath::Power(x,4);
+ //
+ return 1 + (y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 8.8 TeV, minimum bias 0-100 %
+//
+ return PtUpsilonPbP8800ShFdummy(*px, 0) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 8.8 TeV, 1st centrality bin 0-20 %
+//
+ return PtUpsilonPbP8800ShFdummy(*px, 1) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ return PtUpsilonPbP8800ShFdummy(*px, 2) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ return PtUpsilonPbP8800ShFdummy(*px, 3) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbP8800c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+// Pbp 8.8 TeV, 4th centrality bin 60-100 %
+//
+ return PtUpsilonPbP8800ShFdummy(*px, 4) * PtUpsilonPP8800(px, dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilon( const Double_t *px, const Double_t */*dummy*/ )
+{
+// Upsilon pT
+ const Double_t kpt0 = 5.3;
+ const Double_t kxn = 2.5;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaled( const Double_t *px, const Double_t */*dummy*/ )
+{
+// Upsilon pT
+ const Double_t kpt0 = 7.753;
+ const Double_t kxn = 3.042;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPP( const Double_t *px, const Double_t */*dummy*/ )
+{
+// Upsilon pT
+//
+// pp 14 TeV
+//
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 8.610;
+ const Double_t kxn = 3.051;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+//
+// pp 10 TeV
+//
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 8.235;
+ const Double_t kxn = 3.051;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+//
+// pp 8.8 TeV
+// scaled from CDF data at 2 TeV
+//
+ const Double_t kpt0 = 8.048;
+ const Double_t kxn = 3.051;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+//
+// pp 7 TeV
+//
+// scaled from CDF data at 2 TeV
+
+ const Double_t kpt0 = 7.817;
+ const Double_t kxn = 3.051;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon pT
+//
+// pp 3.94 TeV
+// scaled from CDF data at 2 TeV
+//
+ const Double_t kpt0 = 7.189;
+ const Double_t kxn = 3.051;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPPb9( const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+//
+// pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89
+//
+ Double_t c[5] = {7.64952e-01, 1.12501e-04, 4.96038e-04, -3.03198e-05, 3.74035e-06};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP9(px,dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPbP9( const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+//
+// Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89
+//
+ Double_t c[5] = {1.09881e+00, 3.08329e-03, -2.00356e-04, 8.28991e-06, 2.52576e-06};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP9(px,dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonCDFscaledPbPb4( const Double_t *px, const Double_t *dummy)
+{
+// Upsilon pT
+//
+// PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.85
+//
+ Double_t c[5] = {8.65872e-01, 2.05465e-03, 2.56063e-04, -1.65598e-05, 2.29209e-06};
+ Double_t x=*px;
+ Double_t y;
+ Int_t j;
+ y = c[j = 4];
+ while (j > 0) y = y * x + c[--j];
+ //
+ Double_t d = 1.+c[4]*TMath::Power(x,4);
+ return y/d * AliGenMUONlib::PtUpsilonCDFscaledPP4(px,dummy);
+}
+
+Double_t AliGenMUONlib::PtUpsilonFlat( const Double_t */*px*/, const Double_t */*dummy*/ )
+{
+ return 1.;
+}
+
+Double_t AliGenMUONlib::PtUpsilonPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+//
+// Upsilon pT
+//
+//
+// R. Vogt 2002
+// PbPb 5.5 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+ Float_t x = px[0];
+ Double_t c[8] = {
+ -1.03488e+01, 1.28065e+01, -6.60500e+00, 1.66140e+00,
+ -2.34293e-01, 1.86925e-02, -7.80708e-04, 1.30610e-05
+ };
+ Double_t y;
+ if (x < 10.) {
+ Int_t j;
+ y = c[j = 7];
+ while (j > 0) y = y * x +c[--j];
+ y = x * TMath::Exp(y);
+ } else {
+ y = 0.;
+ }
+ return y;
+}
+
+Double_t AliGenMUONlib::PtUpsilonPP( const Double_t *px, const Double_t */*dummy*/)
+{
+//
+// Upsilon pT
+//
+//
+// R. Vogt 2002
+// pp 14 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+ Float_t x = px[0];
+ Double_t c[8] = {-7.93955e+00, 1.06306e+01, -5.21392e+00, 1.19703e+00,
+ -1.45718e-01, 8.95151e-03, -2.04806e-04, -1.13053e-06};
+
+ Double_t y;
+ if (x < 10.) {
+ Int_t j;
+ y = c[j = 7];
+ while (j > 0) y = y * x +c[--j];
+ y = x * TMath::Exp(y);
+ } else {
+ y = 0.;
+ }
+ return y;
+}
+
+//
+// y-distribution
+//
+//____________________________________________________________
+Double_t AliGenMUONlib::YUpsilonPPdummy(Double_t x, Double_t energy)
+{
+// Upsilon y
+// pp
+// from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394
+//
+ x = x/TMath::Log(energy/9.46);
+ x = x*x;
+ Double_t y = TMath::Exp(-x/0.4/0.4/2);
+ if(x > 1) y=0;
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonPPpoly(Double_t x, Double_t energy)
+{
+// Upsilon y
+// pp
+// from the fit of CDF & LHC data, like for J/Psi in arXiv:1103.2394
+//
+ x = x/TMath::Log(energy/9.46);
+ x = x*x;
+ Double_t y = 1 - 6.9*x*x;
+ if(y < 0) y=0;
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonPP7000(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 7 TeV
+//
+ return YUpsilonPPdummy(*px, 7000);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP2760(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 2.76 TeV
+//
+ return YUpsilonPPdummy(*px, 2760);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP4400(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 4.4 TeV
+//
+ return YUpsilonPPdummy(*px, 4400);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 5.03 TeV
+//
+ return YUpsilonPPdummy(*px, 5030);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 8.8 TeV
+//
+ return YUpsilonPPdummy(*px, 8800);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPpoly7000(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 7 TeV
+//
+ return YUpsilonPPpoly(*px, 7000);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPpoly2760(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pp 2.76 TeV
+//
+ return YUpsilonPPpoly(*px, 2760);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs y for PbPb min. bias and 11 centr. bins
+//
+// PbPb 2.76 TeV, for EKS98, minimum bias shadowing factor = 0.87 in 4pi
+//
+ const Double_t f1[12] = {1, 1.128, 1.097, 1.037, 0.937, 0.821, 0.693, 0.558,
+ 0.428, 0.317, 0.231, 0.156};
+ const Double_t f2[12] = {1, 1.313, 1.202, 1.039, 0.814, 0.593, 0.391, 0.224,
+ 0.106, 0.041, 0.013, 0.002};
+ const Double_t c1[5] = {1.8547e+00, 1.6717e-02,-2.1285e-04,-9.7662e-05, 2.5768e-06};
+ const Double_t c2[5] = {8.6029e-01, 1.1742e-02,-2.7944e-04,-6.7973e-05, 1.8838e-06};
+
+ x = x*x;
+ Double_t y1, y2;
+ Int_t j;
+ y1 = c1[j = 4]; y2 = c2[4];
+ while (j > 0) {y1 = y1 * x + c1[--j]; y2 = y2 * x + c2[j];}
+
+ y1 = 1 + (y1-2)*f1[n] + (y2+1-y1)*f2[n];
+ if(y1<0) y1=0;
+ return y1;
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, minimum bias 0-100 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 0) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c1(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 1st centrality bin 0-5 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 1) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c2(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 2nd centrality bin 5-10 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 2) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c3(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 3rd centrality bin 10-20 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 3) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c4(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 4th centrality bin 20-30 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 4) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c5(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 5th centrality bin 30-40 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 5) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c6(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 6th centrality bin 40-50 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 6) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c7(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 7th centrality bin 50-60 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 7) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c8(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 8th centrality bin 60-70 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 8) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c9(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 9th centrality bin 70-80 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 9) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c10(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 10th centrality bin 80-90 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 10) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbPb2760c11(const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+// PbPb 2.76 TeV, 11th centrality bin 90-100 %
+//
+ return YUpsilonPbPb2760ShFdummy(*px, 11) * YUpsilonPP2760(px, dummy);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP5030dummy(Double_t px)
+{
+ return AliGenMUONlib::YUpsilonPP5030(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs y for pPb min. bias and 4 centr. bins
+//
+// pPb 5.03 TeV, for EPS09-LO, minimum bias shadowing factor = 0.92 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {8.885e-01, 4.620e-02, 1.158e-02, 4.959e-04,-4.422e-04,-5.345e-05, 0.};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+ //
+ return 1 +(y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 5.03 TeV, minimum bias 0-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 0) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 5.03 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 1) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 2) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 3) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb5030c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 5.03 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 4) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP5030(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 5.03 TeV, minimum bias 0-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 0) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP5030c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 5.03 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 1) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP5030c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 5.03 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 2) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP5030c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 5.03 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 3) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP5030c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 5.03 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb5030ShFdummy(x, 4) * YUpsilonPP5030dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPP8800dummy(Double_t px)
+{
+ return AliGenMUONlib::YUpsilonPP8800(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800ShFdummy(Double_t x, Int_t n)
+{
+// Upsilon shadowing factor vs y for pPb min. bias and 4 centr. bins
+//
+// pPb 8.8 TeV, for EKS98, minimum bias shadowing factor = 0.89 in 4pi
+//
+ const Double_t f[5] = {1, 1.33, 1.05, 0.67, 0.23};
+ const Double_t c[7] = {8.6581e-01, 4.6111e-02, 7.6911e-03, 8.7313e-04,
+ -1.4700e-04,-5.0975e-05,-3.5718e-06};
+ Double_t y;
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+ //
+ return 1 +(y-1)*f[n];
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 8.8 TeV, minimum bias 0-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 0) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 8.8 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 1) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 2) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 3) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPPb8800c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// pPb 8.8 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 4) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP8800(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 8.8 TeV, minimum bias 0-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 0) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP8800c1(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 8.8 TeV, 1st centrality bin 0-20 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 1) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP8800c2(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 8.8 TeV, 2nd centrality bin 20-40 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 2) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP8800c3(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 8.8 TeV, 3rd centrality bin 40-60 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 3) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonPbP8800c4(const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+// Pbp 8.8 TeV, 4th centrality bin 60-100 %
+//
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ return YUpsilonPPb8800ShFdummy(x, 4) * YUpsilonPP8800dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilon(const Double_t *py, const Double_t */*dummy*/)
+{
+// Upsilon y
+ const Double_t ky0 = 3.;
+ const Double_t kb=1.;
+ Double_t yu;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yu=kb;
+ else
+ yu=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yu;
+}
+
+
+Double_t AliGenMUONlib::YUpsilonPbPb( const Double_t *px, const Double_t */*dummy*/)
+{
+
+//
+// Upsilon y
+//
+//
+// R. Vogt 2002
+// PbPb 5.5 TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+
+ Double_t c[7] = {3.40036e-01, -3.98882e-07, -4.48398e-03, 8.46411e-08, -6.10854e-04,
+ -2.99753e-09, 1.28895e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 5.55) return 0.;
+ Int_t j;
+ Double_t y = c[j = 6];
+ while (j > 0) y = y * x +c[--j];
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaled( const Double_t *px, const Double_t *dummy)
+{
+ // Upsilon y
+ return AliGenMUONlib::YUpsilonPbPb(px, dummy);
+
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP( const Double_t *px, const Double_t *dummy)
+{
+ // Upsilon y
+ return AliGenMUONlib::YUpsilonPP(px, dummy);
+
+}
+
+Double_t AliGenMUONlib::YUpsilonFlat( const Double_t */*px*/, const Double_t */*dummy*/)
+{
+ // Upsilon y
+ return 1.;
+
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP10( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// pp 10 TeV
+// scaled from YUpsilonPP(14 TeV) using 10 TeV / 14 TeV ratio of y-spectra in LO pQCD.
+// see S.Grigoryan, PWG3 Meeting, 27th Oct 2008
+//
+ Double_t c[4] = {1., -2.17877e-02, -6.52830e-04, 1.40578e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 6.1) return 0.;
+ Int_t j;
+ Double_t y = c[j = 3];
+ while (j > 0) y = y * x*x +c[--j];
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// pp 8.8 TeV
+// rescaling of YUpsilonPP(14 TeV) using 8.8 TeV / 14 TeV ratio of y-spectra in LO QCD
+//
+ Double_t c[4] = {1., -2.37621e-02, -6.29610e-04, 1.47976e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 6.1) return 0.;
+ Int_t j;
+ Double_t y = c[j = 3];
+ while (j > 0) y = y * x*x +c[--j];
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP9dummy(Double_t px)
+{
+ return AliGenMUONlib::YUpsilonCDFscaledPP9(&px, (Double_t*) 0);
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP7( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// pp 7 TeV
+// scaled from YUpsilonPP(14 TeV) using 7 TeV / 14 TeV ratio of y-spectra in LO pQCD.
+//
+ Double_t c[4] = {1., -2.61009e-02, -6.83937e-04, 1.78451e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 6.0) return 0.;
+ Int_t j;
+ Double_t y = c[j = 3];
+ while (j > 0) y = y * x*x +c[--j];
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPP4( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// pp 3.94 TeV
+// rescaling of YUpsilonPP(14 TeV) using 3.94 TeV / 14 TeV ratio of y-spectra in LO QCD
+//
+ Double_t c[4] = {1., -3.91924e-02, -4.26184e-04, 2.10914e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 5.7) return 0.;
+ Int_t j;
+ Double_t y = c[j = 3];
+ while (j > 0) y = y * x*x +c[--j];
+
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonPP( const Double_t *px, const Double_t */*dummy*/)
+{
+
+//
+// Upsilon y
+//
+//
+// R. Vogt 2002
+// p p 14. TeV
+// MRST HO
+// mc = 1.4 GeV, pt-kick 1 GeV
+//
+ Double_t c[7] = {8.91936e-01, -6.46645e-07, -1.52774e-02, 4.28677e-08, -7.01517e-04,
+ -6.20539e-10, 1.29943e-05};
+ Double_t x = TMath::Abs(px[0]);
+ if (x > 6.2) return 0.;
+ Int_t j;
+ Double_t y = c[j = 6];
+ while (j > 0) y = y * x +c[--j];
+ return y;
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPPb9( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// pPb 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89
+//
+ Double_t c[7] = {8.71829e-01, 4.77467e-02, 8.09671e-03, 6.45294e-04, -2.15730e-04,
+ -4.67538e-05,-2.11683e-06};
+ Double_t y;
+ Double_t x = px[0] + 0.47; // rapidity shift
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YUpsilonCDFscaledPP9dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPbP9( const Double_t *px, const Double_t */*dummy*/)
+{
+// Upsilon y
+//
+// Pbp 8.8 TeV, for EKS98 with minimum bias shadowing factor 0.89
+//
+ Double_t c[7] = {8.71829e-01, 4.77467e-02, 8.09671e-03, 6.45294e-04, -2.15730e-04,
+ -4.67538e-05,-2.11683e-06};
+ Double_t y;
+ Double_t x = -px[0] + 0.47; // rapidity shift
+ Int_t j;
+ y = c[j = 6];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YUpsilonCDFscaledPP9dummy(x);
+}
+
+Double_t AliGenMUONlib::YUpsilonCDFscaledPbPb4( const Double_t *px, const Double_t *dummy)
+{
+// Upsilon y
+//
+// PbPb 3.94 TeV, for EKS98 with minimum bias shadowing factor 0.85
+//
+ Double_t c[4] = {8.27837e-01, 1.70115e-02, -1.26046e-03, 1.52091e-05};
+ Double_t x = px[0]*px[0];
+ Double_t y;
+ Int_t j;
+ y = c[j = 3];
+ while (j > 0) y = y * x + c[--j];
+ if(y<0) y=0;
+
+ return y * AliGenMUONlib::YUpsilonCDFscaledPP4(px,dummy);
+}
+
+
+// particle composition
+//
+Int_t AliGenMUONlib::IpUpsilon(TRandom *)
+{
+// y composition
+ return 553;
+}
+Int_t AliGenMUONlib::IpUpsilonP(TRandom *)
+{
+// y composition
+ return 100553;
+}
+Int_t AliGenMUONlib::IpUpsilonPP(TRandom *)
+{
+// y composition
+ return 200553;
+}
+Int_t AliGenMUONlib::IpUpsilonFamily(TRandom *)
+{
+// y composition
+ // Using the LHCb pp data at 7 TeV: CERN-PH-EP-2012-051
+ // (L. Manceau, S. Grigoryan)
+ Int_t ip;
+ Float_t r = gRandom->Rndm();
+ if (r < 0.687) {
+ // if (r < 0.712) {
+ ip = 553;
+ } else if (r < 0.903) {
+ // } else if (r < 0.896) {
+ ip = 100553;
+ } else {
+ ip = 200553;
+ }
+ return ip;
+}
+
+
+//
+// Phi
+//
+//
+// pt-distribution (by scaling of pion distribution)
+//____________________________________________________________
+Double_t AliGenMUONlib::PtPhi( const Double_t *px, const Double_t */*dummy*/)
+{
+// Phi pT
+ return PtScal(*px,7);
+}
+// y-distribution
+Double_t AliGenMUONlib::YPhi( const Double_t *px, const Double_t */*dummy*/)
+{
+// Phi y
+ Double_t *dum=0;
+ return YJpsi(px,dum);
+}
+// particle composition
+//
+Int_t AliGenMUONlib::IpPhi(TRandom *)
+{
+// Phi composition
+ return 333;
+}
+
+//
+// omega
+//
+//
+// pt-distribution (by scaling of pion distribution)
+//____________________________________________________________
+Double_t AliGenMUONlib::PtOmega( const Double_t *px, const Double_t */*dummy*/)
+{
+// Omega pT
+ return PtScal(*px,5);
+}
+// y-distribution
+Double_t AliGenMUONlib::YOmega( const Double_t *px, const Double_t */*dummy*/)
+{
+// Omega y
+ Double_t *dum=0;
+ return YJpsi(px,dum);
+}
+// particle composition
+//
+Int_t AliGenMUONlib::IpOmega(TRandom *)
+{
+// Omega composition
+ return 223;
+}
+
+
+//
+// Eta
+//
+//
+// pt-distribution (by scaling of pion distribution)
+//____________________________________________________________
+Double_t AliGenMUONlib::PtEta( const Double_t *px, const Double_t */*dummy*/)
+{
+// Eta pT
+ return PtScal(*px,3);
+}
+// y-distribution
+Double_t AliGenMUONlib::YEta( const Double_t *px, const Double_t */*dummy*/)
+{
+// Eta y
+ Double_t *dum=0;
+ return YJpsi(px,dum);
+}
+// particle composition
+//
+Int_t AliGenMUONlib::IpEta(TRandom *)
+{
+// Eta composition
+ return 221;
+}
+
+//
+// Charm
+//
+//
+// pt-distribution
+//____________________________________________________________
+Double_t AliGenMUONlib::PtCharm( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+ const Double_t kpt0 = 2.25;
+ const Double_t kxn = 3.17;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtCharmCentral( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+ const Double_t kpt0 = 2.12;
+ const Double_t kxn = 2.78;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows:
+// PtCharmFiMjSkPP = PtCharmF0M0S0PP * (dN(i,j,k)/dpt / dN(0,0,0)/dpt)_MNR
+// i=0,1,2; j=0,1,2; k=0,1,...,6
+// dN(i,j,k)/dpt - spectra obtained by A.Dainese (hep-ph/0601164, p.88;
+// http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR)
+// calculations for the following inputs:
+// Peterson fragmentation function (F) with \epsilon_c = 0.02, 0.002 & 0.11
+// for i=0,1 & 2 respectively; quark mass (M) of 1.5, 1.3 & 1.7 GeV
+// for j=0,1 & 2 respectively;
+// factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S)
+// with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2
+// for k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set
+// (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89).
+// June 2008, Smbat.Grigoryan@cern.ch
+
+// Charm pT
+// Pythia6.214 (kCharmppMNRwmi, PDF = CTEQ5L, quark mass = 1.2 GeV, PtHard > 2.76 GeV/c)
+// for pp collisions at 14 TeV with one c-cbar pair per event.
+// Corresponding NLO total cross section is 5.68 mb
+
+
+ const Double_t kpt0 = 2.2930;
+ const Double_t kxn = 3.1196;
+ Double_t c[3]={-5.2180e-01,1.8753e-01,2.8669e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF1M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 6.06 mb
+ const Double_t kpt0 = 2.8669;
+ const Double_t kxn = 3.1044;
+ Double_t c[3]={-4.6714e-01,1.5005e-01,4.5003e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF2M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 6.06 mb
+ const Double_t kpt0 = 1.8361;
+ const Double_t kxn = 3.2966;
+ Double_t c[3]={-6.1550e-01,2.6498e-01,1.0728e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M1S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 7.69 mb
+ const Double_t kpt0 = 2.1280;
+ const Double_t kxn = 3.1397;
+ Double_t c[3]={-5.4021e-01,2.0944e-01,2.5211e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M2S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 4.81 mb
+ const Double_t kpt0 = 2.4579;
+ const Double_t kxn = 3.1095;
+ Double_t c[3]={-5.1497e-01,1.7532e-01,3.2429e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S1PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 14.09 mb
+ const Double_t kpt0 = 2.1272;
+ const Double_t kxn = 3.1904;
+ Double_t c[3]={-4.6088e-01,2.1918e-01,2.3055e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S2PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 1.52 mb
+ const Double_t kpt0 = 2.8159;
+ const Double_t kxn = 3.0857;
+ Double_t c[3]={-6.4691e-01,2.0289e-01,2.4922e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S3PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 3.67 mb
+ const Double_t kpt0 = 2.7297;
+ const Double_t kxn = 3.3019;
+ Double_t c[3]={-6.2216e-01,1.9031e-01,1.5341e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S4PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 3.38 mb
+ const Double_t kpt0 = 2.3894;
+ const Double_t kxn = 3.1075;
+ Double_t c[3]={-4.9742e-01,1.7032e-01,2.5994e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S5PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 10.37 mb
+ const Double_t kpt0 = 2.0187;
+ const Double_t kxn = 3.3011;
+ Double_t c[3]={-3.9869e-01,2.9248e-01,1.1763e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+Double_t AliGenMUONlib::PtCharmF0M0S6PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm pT
+// Corresponding NLO total cross section is 7.22 mb
+ const Double_t kpt0 = 2.1089;
+ const Double_t kxn = 3.1848;
+ Double_t c[3]={-4.6275e-01,1.8114e-01,2.1363e-02};
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn)*(1.+c[0]*x+c[1]*x*x)/(1.+c[2]*x*x);
+}
+
+// y-distribution
+Double_t AliGenMUONlib::YCharm( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y :: Carrer & Dainese : ALICE-INT-2003-019 v.3 (hep-ph/0311225)
+// Pythia tuned to reproduce the distribution given by the HVQMNR program based on NLO calculations (pQCD)
+// shadowing + kt broadening
+
+ Double_t x=px[0];
+ Double_t c[2]={-2.42985e-03,-2.31001e-04};
+ Double_t y=1+(c[0]*TMath::Power(x,2))+(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>8) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows:
+// YCharmFiMjSkPP = YCharmF0M0S0PP * (dN(i,j,k)/dy / dN(0,0,0)/dy)_MNR
+// i=0,1,2; j=0,1,2; k=0,1,...,6
+// dN(i,j,k)/dy - spectra obtained by A.Dainese (hep-ph/0601164, p.88;
+// http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR)
+// calculations for the following inputs:
+// Peterson fragmentation function (F) with \epsilon_c = 0.02, 0.002 & 0.11
+// for i=0,1 & 2 respectively; quark mass (M) of 1.5, 1.3 & 1.7 GeV
+// for j=0,1 & 2 respectively;
+// factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S)
+// with a/b = 1/1,1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 for
+// k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set
+// (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89).
+// June 2008, Smbat.Grigoryan@cern.ch
+
+// Charm y
+// Pythia6.214 (kCharmppMNRwmi, PDF = CTEQ5L, quark mass = 1.2 GeV, PtHard > 2.76 GeV/c)
+// for pp collisions at 14 TeV with one c-cbar pair per event.
+// Corresponding NLO total cross section is 5.68 mb
+
+ Double_t x=px[0];
+ Double_t c[2]={7.0909e-03,6.1967e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF1M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 6.06 mb
+ Double_t x=px[0];
+ Double_t c[2]={6.9707e-03,6.0971e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF2M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 6.06 mb
+ Double_t x=px[0];
+ Double_t c[2]={7.1687e-03,6.5303e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M1S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 7.69 mb
+ Double_t x=px[0];
+ Double_t c[2]={5.9090e-03,7.1854e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M2S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 4.81 mb
+ Double_t x=px[0];
+ Double_t c[2]={8.0882e-03,5.5872e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S1PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 14.09 mb
+ Double_t x=px[0];
+ Double_t c[2]={7.2520e-03,6.2691e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S2PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 1.52 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.1040e-04,1.4498e-04};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S3PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 3.67 mb
+ Double_t x=px[0];
+ Double_t c[2]={-3.1328e-03,1.8270e-04};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S4PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 3.38 mb
+ Double_t x=px[0];
+ Double_t c[2]={7.0865e-03,6.2532e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S5PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 10.37 mb
+ Double_t x=px[0];
+ Double_t c[2]={7.7070e-03,5.3533e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+Double_t AliGenMUONlib::YCharmF0M0S6PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Charm y
+// Corresponding NLO total cross section is 7.22 mb
+ Double_t x=px[0];
+ Double_t c[2]={7.9195e-03,5.3823e-05};
+ Double_t y=1-(c[0]*TMath::Power(x,2))-(c[1]*TMath::Power(x,4));
+ Double_t ycharm;
+
+ if (TMath::Abs(x)>9) {
+ ycharm=0.;
+ }
+ else {
+ ycharm=TMath::Power(y,3);
+ }
+
+ return ycharm;
+}
+
+
+Int_t AliGenMUONlib::IpCharm(TRandom *ran)
+{
+// Charm composition
+ Float_t random;
+ Int_t ip;
+// 411,421,431,4122
+ random = ran->Rndm();
+// Taux de production Carrer & Dainese : ALICE-INT-2003-019 v.3
+// >>>>> cf. tab 4 p 11
+
+ if (random < 0.30) {
+ ip=421;
+ } else if (random < 0.60) {
+ ip=-421;
+ } else if (random < 0.70) {
+ ip=411;
+ } else if (random < 0.80) {
+ ip=-411;
+ } else if (random < 0.86) {
+ ip=431;
+ } else if (random < 0.92) {
+ ip=-431;
+ } else if (random < 0.96) {
+ ip=4122;
+ } else {
+ ip=-4122;
+ }
+
+ return ip;
+}
+
+//
+// Beauty
+//
+//
+// pt-distribution
+//____________________________________________________________
+Double_t AliGenMUONlib::PtBeauty( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+ const Double_t kpt0 = 6.53;
+ const Double_t kxn = 3.59;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+Double_t AliGenMUONlib::PtBeautyCentral( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+ const Double_t kpt0 = 6.14;
+ const Double_t kxn = 2.93;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows:
+// PtBeautyFiMjSkPP = PtBeautyF0M0S0PP * (dN(i,j,k)/dpt / dN(0,0,0)/dpt)_MNR
+// i=0,1,2; j=0,1,2; k=0,1,...,6
+// dN(i,j,k)/dpt - spectra obtained by A.Dainese (hep-ph/0601164, p.88;
+// http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR)
+// calculations for the following inputs:
+// Peterson fragmentation function (F) with \epsilon_b = 0.001, 0.0002 & 0.004
+// for i=0,1 & 2 respectively; quark mass (M) of 4.75, 4.5 & 5.0 GeV
+// for j=0,1 & 2 respectively;
+// factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S)
+// with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2 for
+// k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set
+// (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89).
+// June 2008, Smbat.Grigoryan@cern.ch
+
+// Beauty pT
+// Pythia6.214 (kBeautyppMNRwmi, PDF = CTEQ5L, quark mass = 4.75 GeV, PtHard > 2.76 GeV/c)
+// for pp collisions at 14 TeV with one b-bbar pair per event.
+// Corresponding NLO total cross section is 0.494 mb
+
+ const Double_t kpt0 = 8.0575;
+ const Double_t kxn = 3.1921;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF1M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.445 mb
+ const Double_t kpt0 = 8.6239;
+ const Double_t kxn = 3.2911;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF2M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.445 mb
+ const Double_t kpt0 = 7.3367;
+ const Double_t kxn = 3.0692;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M1S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.518 mb
+ const Double_t kpt0 = 7.6409;
+ const Double_t kxn = 3.1364;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M2S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.384 mb
+ const Double_t kpt0 = 8.4948;
+ const Double_t kxn = 3.2546;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S1PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.648 mb
+ const Double_t kpt0 = 7.6631;
+ const Double_t kxn = 3.1621;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S2PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.294 mb
+ const Double_t kpt0 = 8.7245;
+ const Double_t kxn = 3.2213;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S3PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.475 mb
+ const Double_t kpt0 = 8.5296;
+ const Double_t kxn = 3.2187;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S4PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.324 mb
+ const Double_t kpt0 = 7.9440;
+ const Double_t kxn = 3.1614;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S5PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.536 mb
+ const Double_t kpt0 = 8.2408;
+ const Double_t kxn = 3.3029;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtBeautyF0M0S6PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty pT
+// Corresponding NLO total cross section is 0.420 mb
+ const Double_t kpt0 = 7.8041;
+ const Double_t kxn = 3.2094;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+// y-distribution
+Double_t AliGenMUONlib::YBeauty( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty y :: Carrer & Dainese : ALICE-INT-2003-019 v.3 (hep-ph/0311225)
+// Pythia tuned to reproduce the distribution given by the HVQMNR program based on NLO calculations (pQCD)
+// shadowing + kt broadening
+
+ Double_t x=px[0];
+ Double_t c[2]={-1.27590e-02,-2.42731e-04};
+ Double_t y=1+c[0]*TMath::Power(x,2)+c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
+}
+Double_t AliGenMUONlib::YBeautyF0M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// FiMjSkPP define theoretical uncertainties around F0M0S0PP as follows:
+// YBeautyFiMjSkPP = YBeautyF0M0S0PP * (dN(i,j,k)/dy / dN(0,0,0)/dy)_MNR
+// i=0,1,2; j=0,1,2; k=0,1,...,6
+// dN(i,j,k)/dy - spectra obtained by A.Dainese (hep-ph/0601164, p.88;
+// http://www-zeus.desy.de/~corradi/benchmarks) from NLO pQCD (MNR)
+// calculations for the following inputs:
+// Peterson fragmentation function (F) with \epsilon_b = 0.001, 0.0002 & 0.004
+// for i=0,1 & 2 respectively; quark mass (M) of 4.75, 4.5 & 5.0 GeV
+// for j=0,1 & 2 respectively;
+// factorisation \mu_F = a*mt and renormalisation \mu_R = b*mt scales (S)
+// with a/b = 1/1, 1/0.5, 0.5/1, 0.5/0.5, 1/2, 2/1 & 2/2
+// for k = 0, 1, 2, 3, 4, 5 & 6 respectively; CTEQ6.1 PDF set
+// (PDF uncertainty not considered since is small, see hep-ph/0601164, p.89).
+// June 2008, Smbat.Grigoryan@cern.ch
+
+// Beauty y
+// Pythia6.214 (kBeautyppMNRwmi, PDF = CTEQ5L, quark mass = 4.75 GeV, PtHard > 2.76 GeV/c)
+// for pp collisions at 14 TeV with one b-bbar pair per event.
+// Corresponding NLO total cross section is 0.494 mb
+
+
+ Double_t x=px[0];
+ Double_t c[2]={1.2350e-02,9.2667e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
+}
+Double_t AliGenMUONlib::YBeautyF1M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty y
+// Corresponding NLO total cross section is 0.445 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2292e-02,9.1847e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
+}
+Double_t AliGenMUONlib::YBeautyF2M0S0PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty y
+// Corresponding NLO total cross section is 0.445 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2436e-02,9.3709e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
+}
+Double_t AliGenMUONlib::YBeautyF0M1S0PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Eta pT
- return PtScal(*px,3);
+// Beauty y
+// Corresponding NLO total cross section is 0.518 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.1714e-02,1.0068e-04};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-// y-distribution
-Double_t AliGenMUONlib::YEta( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YBeautyF0M2S0PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Eta y
- Double_t *dum=0;
- return YJpsi(px,dum);
+// Beauty y
+// Corresponding NLO total cross section is 0.384 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2944e-02,8.5500e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-// particle composition
-//
-Int_t AliGenMUONlib::IpEta(TRandom *)
+Double_t AliGenMUONlib::YBeautyF0M0S1PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Eta composition
- return 221;
+// Beauty y
+// Corresponding NLO total cross section is 0.648 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2455e-02,9.2713e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-
-//
-// Charm
-//
-//
-// pt-distribution
-//____________________________________________________________
-Double_t AliGenMUONlib::PtCharm( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YBeautyF0M0S2PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Charm pT
- const Double_t kpt0 = 4.08;
- const Double_t kxn = 9.40;
-
- Double_t x=*px;
- //
- Double_t pass1 = 1.+(x/kpt0);
- return x/TMath::Power(pass1,kxn);
+// Beauty y
+// Corresponding NLO total cross section is 0.294 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.0897e-02,1.1878e-04};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-// y-distribution
-Double_t AliGenMUONlib::YCharm( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YBeautyF0M0S3PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Charm y
- Double_t *dum=0;
- return YJpsi(px,dum);
+// Beauty y
+// Corresponding NLO total cross section is 0.475 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.0912e-02,1.1858e-04};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-
-Int_t AliGenMUONlib::IpCharm(TRandom *ran)
-{
-// Charm composition
- Float_t random;
- Int_t ip;
-// 411,421,431,4122
- random = ran->Rndm();
- if (random < 0.5) {
- ip=411;
- } else if (random < 0.75) {
- ip=421;
- } else if (random < 0.90) {
- ip=431;
- } else {
- ip=4122;
+Double_t AliGenMUONlib::YBeautyF0M0S4PP( const Double_t *px, const Double_t */*dummy*/)
+{
+// Beauty y
+// Corresponding NLO total cross section is 0.324 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2378e-02,9.2490e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
}
- if (ran->Rndm() < 0.5) {ip=-ip;}
- return ip;
+ return ybeauty;
}
-
-
-//
-// Beauty
-//
-//
-// pt-distribution
-//____________________________________________________________
-Double_t AliGenMUONlib::PtBeauty( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YBeautyF0M0S5PP( const Double_t *px, const Double_t */*dummy*/)
{
-// Beauty pT
- const Double_t kpt0 = 4.;
- const Double_t kxn = 3.6;
- Double_t x=*px;
- //
- Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
- return x/TMath::Power(pass1,kxn);
+// Beauty y
+// Corresponding NLO total cross section is 0.536 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.2886e-02,8.2912e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
-// y-distribution
-Double_t AliGenMUONlib::YBeauty( Double_t *px, Double_t *dummy)
+Double_t AliGenMUONlib::YBeautyF0M0S6PP( const Double_t *px, const Double_t */*dummy*/)
{
// Beauty y
- Double_t *dum=0;
- return YJpsi(px,dum);
+// Corresponding NLO total cross section is 0.420 mb
+ Double_t x=px[0];
+ Double_t c[2]={1.3106e-02,8.0115e-05};
+ Double_t y=1-c[0]*TMath::Power(x,2)-c[1]*TMath::Power(x,4);
+ Double_t ybeauty;
+
+ if (TMath::Abs(x)>7.6) {
+ ybeauty=0.;
+ }
+ else {
+ ybeauty=TMath::Power(y,3);
+ }
+
+ return ybeauty;
}
Int_t AliGenMUONlib::IpBeauty(TRandom *ran)
// Beauty Composition
Float_t random;
Int_t ip;
- random = ran->Rndm();
- if (random < 0.5) {
- ip=511;
- } else if (random < 0.75) {
- ip=521;
- } else if (random < 0.90) {
- ip=531;
+ random = ran->Rndm();
+
+// Taux de production Carrer & Dainese : ALICE-INT-2003-019 v.3
+// >>>>> cf. tab 4 p 11
+
+ if (random < 0.20) {
+ ip=511;
+ } else if (random < 0.40) {
+ ip=-511;
+ } else if (random < 0.605) {
+ ip=521;
+ } else if (random < 0.81) {
+ ip=-521;
+ } else if (random < 0.87) {
+ ip=531;
+ } else if (random < 0.93) {
+ ip=-531;
+ } else if (random < 0.965) {
+ ip=5122;
} else {
- ip=5122;
+ ip=-5122;
}
- if (ran->Rndm() < 0.5) {ip=-ip;}
- return ip;
+ return ip;
}
-typedef Double_t (*GenFunc) (Double_t*, Double_t*);
+
+typedef Double_t (*GenFunc) (const Double_t*, const Double_t*);
GenFunc AliGenMUONlib::GetPt(Int_t param, const char* tname) const
{
// Return pointer to pT parameterisation
case kEta:
func=PtEta;
break;
+ case kJpsiFamily:
+ case kPsiP:
+ case kChic1:
+ case kChic2:
case kJpsi:
if (sname == "Vogt" || sname == "Vogt PbPb") {
func=PtJpsiPbPb;
} else if (sname == "Vogt pp") {
func=PtJpsiPP;
+ } else if (sname == "pp 7") {
+ func=PtJpsiPP7000;
+ } else if (sname == "pp 2.76") {
+ func=PtJpsiPP2760;
+ } else if (sname == "pp 4.4") {
+ func=PtJpsiPP4400;
+ } else if (sname == "pp 5.03") {
+ func=PtJpsiPP5030;
+ } else if (sname == "pp 8.8") {
+ func=PtJpsiPP8800;
+ } else if (sname == "pp 7 poly") {
+ func=PtJpsiPP7000;
+ } else if (sname == "pp 2.76 poly") {
+ func=PtJpsiPP2760;
+ } else if (sname == "PbPb 2.76") {
+ func=PtJpsiPbPb2760;
+ } else if (sname == "PbPb 2.76c1") {
+ func=PtJpsiPbPb2760c1;
+ } else if (sname == "PbPb 2.76c2") {
+ func=PtJpsiPbPb2760c2;
+ } else if (sname == "PbPb 2.76c3") {
+ func=PtJpsiPbPb2760c3;
+ } else if (sname == "PbPb 2.76c4") {
+ func=PtJpsiPbPb2760c4;
+ } else if (sname == "PbPb 2.76c5") {
+ func=PtJpsiPbPb2760c5;
+ } else if (sname == "PbPb 2.76c6") {
+ func=PtJpsiPbPb2760c6;
+ } else if (sname == "PbPb 2.76c7") {
+ func=PtJpsiPbPb2760c7;
+ } else if (sname == "PbPb 2.76c8") {
+ func=PtJpsiPbPb2760c8;
+ } else if (sname == "PbPb 2.76c9") {
+ func=PtJpsiPbPb2760c9;
+ } else if (sname == "PbPb 2.76c10") {
+ func=PtJpsiPbPb2760c10;
+ } else if (sname == "PbPb 2.76c11") {
+ func=PtJpsiPbPb2760c11;
+ } else if (sname == "pPb 5.03") {
+ func=PtJpsiPPb5030;
+ } else if (sname == "pPb 5.03c1") {
+ func=PtJpsiPPb5030c1;
+ } else if (sname == "pPb 5.03c2") {
+ func=PtJpsiPPb5030c2;
+ } else if (sname == "pPb 5.03c3") {
+ func=PtJpsiPPb5030c3;
+ } else if (sname == "pPb 5.03c4") {
+ func=PtJpsiPPb5030c4;
+ } else if (sname == "Pbp 5.03") {
+ func=PtJpsiPbP5030;
+ } else if (sname == "Pbp 5.03c1") {
+ func=PtJpsiPbP5030c1;
+ } else if (sname == "Pbp 5.03c2") {
+ func=PtJpsiPbP5030c2;
+ } else if (sname == "Pbp 5.03c3") {
+ func=PtJpsiPbP5030c3;
+ } else if (sname == "Pbp 5.03c4") {
+ func=PtJpsiPbP5030c4;
+ } else if (sname == "pPb 8.8") {
+ func=PtJpsiPPb8800;
+ } else if (sname == "pPb 8.8c1") {
+ func=PtJpsiPPb8800c1;
+ } else if (sname == "pPb 8.8c2") {
+ func=PtJpsiPPb8800c2;
+ } else if (sname == "pPb 8.8c3") {
+ func=PtJpsiPPb8800c3;
+ } else if (sname == "pPb 8.8c4") {
+ func=PtJpsiPPb8800c4;
+ } else if (sname == "Pbp 8.8") {
+ func=PtJpsiPbP8800;
+ } else if (sname == "Pbp 8.8c1") {
+ func=PtJpsiPbP8800c1;
+ } else if (sname == "Pbp 8.8c2") {
+ func=PtJpsiPbP8800c2;
+ } else if (sname == "Pbp 8.8c3") {
+ func=PtJpsiPbP8800c3;
+ } else if (sname == "Pbp 8.8c4") {
+ func=PtJpsiPbP8800c4;
+ } else if (sname == "CDF scaled") {
+ func=PtJpsiCDFscaled;
+ } else if (sname == "CDF pp") {
+ func=PtJpsiCDFscaledPP;
+ } else if (sname == "CDF pp 10") {
+ func=PtJpsiCDFscaledPP10;
+ } else if (sname == "CDF pp 8.8") {
+ func=PtJpsiCDFscaledPP9;
+ } else if (sname == "CDF pp 7" || sname == "CDF pp 7 flat y") {
+ func=PtJpsiCDFscaledPP7;
+ } else if (sname == "CDF pp 3.94") {
+ func=PtJpsiCDFscaledPP4;
+ } else if (sname == "CDF pp 2.76") {
+ func=PtJpsiCDFscaledPP3;
+ } else if (sname == "CDF pp 1.9") {
+ func=PtJpsiCDFscaledPP2;
+ } else if (sname == "CDF pPb 8.8") {
+ func=PtJpsiCDFscaledPPb9;
+ } else if (sname == "CDF Pbp 8.8") {
+ func=PtJpsiCDFscaledPbP9;
+ } else if (sname == "CDF PbPb 3.94") {
+ func=PtJpsiCDFscaledPbPb4;
+ } else if (sname == "Flat" || sname == "CDF pp 7 flat pt") {
+ func=PtJpsiFlat;
} else {
func=PtJpsi;
}
break;
+ case kJpsiFromB:
+ func = PtJpsiBPbPb;
+ break;
+ case kUpsilonFamily:
+ case kUpsilonP:
+ case kUpsilonPP:
case kUpsilon:
if (sname == "Vogt" || sname == "Vogt PbPb") {
func=PtUpsilonPbPb;
} else if (sname == "Vogt pp") {
func=PtUpsilonPP;
+ } else if (sname == "pp 7") {
+ func=PtUpsilonPP7000;
+ } else if (sname == "pp 2.76") {
+ func=PtUpsilonPP2760;
+ } else if (sname == "pp 4.4") {
+ func=PtUpsilonPP4400;
+ } else if (sname == "pp 5.03") {
+ func=PtUpsilonPP5030;
+ } else if (sname == "pp 8.8") {
+ func=PtUpsilonPP8800;
+ } else if (sname == "pp 7 poly") {
+ func=PtUpsilonPP7000;
+ } else if (sname == "pp 2.76 poly") {
+ func=PtUpsilonPP2760;
+ } else if (sname == "PbPb 2.76") {
+ func=PtUpsilonPbPb2760;
+ } else if (sname == "PbPb 2.76c1") {
+ func=PtUpsilonPbPb2760c1;
+ } else if (sname == "PbPb 2.76c2") {
+ func=PtUpsilonPbPb2760c2;
+ } else if (sname == "PbPb 2.76c3") {
+ func=PtUpsilonPbPb2760c3;
+ } else if (sname == "PbPb 2.76c4") {
+ func=PtUpsilonPbPb2760c4;
+ } else if (sname == "PbPb 2.76c5") {
+ func=PtUpsilonPbPb2760c5;
+ } else if (sname == "PbPb 2.76c6") {
+ func=PtUpsilonPbPb2760c6;
+ } else if (sname == "PbPb 2.76c7") {
+ func=PtUpsilonPbPb2760c7;
+ } else if (sname == "PbPb 2.76c8") {
+ func=PtUpsilonPbPb2760c8;
+ } else if (sname == "PbPb 2.76c9") {
+ func=PtUpsilonPbPb2760c9;
+ } else if (sname == "PbPb 2.76c10") {
+ func=PtUpsilonPbPb2760c10;
+ } else if (sname == "PbPb 2.76c11") {
+ func=PtUpsilonPbPb2760c11;
+ } else if (sname == "pPb 5.03") {
+ func=PtUpsilonPPb5030;
+ } else if (sname == "pPb 5.03c1") {
+ func=PtUpsilonPPb5030c1;
+ } else if (sname == "pPb 5.03c2") {
+ func=PtUpsilonPPb5030c2;
+ } else if (sname == "pPb 5.03c3") {
+ func=PtUpsilonPPb5030c3;
+ } else if (sname == "pPb 5.03c4") {
+ func=PtUpsilonPPb5030c4;
+ } else if (sname == "Pbp 5.03") {
+ func=PtUpsilonPbP5030;
+ } else if (sname == "Pbp 5.03c1") {
+ func=PtUpsilonPbP5030c1;
+ } else if (sname == "Pbp 5.03c2") {
+ func=PtUpsilonPbP5030c2;
+ } else if (sname == "Pbp 5.03c3") {
+ func=PtUpsilonPbP5030c3;
+ } else if (sname == "Pbp 5.03c4") {
+ func=PtUpsilonPbP5030c4;
+ } else if (sname == "pPb 8.8") {
+ func=PtUpsilonPPb8800;
+ } else if (sname == "pPb 8.8c1") {
+ func=PtUpsilonPPb8800c1;
+ } else if (sname == "pPb 8.8c2") {
+ func=PtUpsilonPPb8800c2;
+ } else if (sname == "pPb 8.8c3") {
+ func=PtUpsilonPPb8800c3;
+ } else if (sname == "pPb 8.8c4") {
+ func=PtUpsilonPPb8800c4;
+ } else if (sname == "Pbp 8.8") {
+ func=PtUpsilonPbP8800;
+ } else if (sname == "Pbp 8.8c1") {
+ func=PtUpsilonPbP8800c1;
+ } else if (sname == "Pbp 8.8c2") {
+ func=PtUpsilonPbP8800c2;
+ } else if (sname == "Pbp 8.8c3") {
+ func=PtUpsilonPbP8800c3;
+ } else if (sname == "Pbp 8.8c4") {
+ func=PtUpsilonPbP8800c4;
+ } else if (sname == "CDF scaled") {
+ func=PtUpsilonCDFscaled;
+ } else if (sname == "CDF pp") {
+ func=PtUpsilonCDFscaledPP;
+ } else if (sname == "CDF pp 10") {
+ func=PtUpsilonCDFscaledPP10;
+ } else if (sname == "CDF pp 8.8") {
+ func=PtUpsilonCDFscaledPP9;
+ } else if (sname == "CDF pp 7") {
+ func=PtUpsilonCDFscaledPP7;
+ } else if (sname == "CDF pp 3.94") {
+ func=PtUpsilonCDFscaledPP4;
+ } else if (sname == "CDF pPb 8.8") {
+ func=PtUpsilonCDFscaledPPb9;
+ } else if (sname == "CDF Pbp 8.8") {
+ func=PtUpsilonCDFscaledPbP9;
+ } else if (sname == "CDF PbPb 3.94") {
+ func=PtUpsilonCDFscaledPbPb4;
+ } else if (sname == "Flat") {
+ func=PtUpsilonFlat;
} else {
func=PtUpsilon;
}
- break;
+ break;
case kCharm:
- func=PtCharm;
+ if (sname == "F0M0S0 pp") {
+ func=PtCharmF0M0S0PP;
+ } else if (sname == "F1M0S0 pp") {
+ func=PtCharmF1M0S0PP;
+ } else if (sname == "F2M0S0 pp") {
+ func=PtCharmF2M0S0PP;
+ } else if (sname == "F0M1S0 pp") {
+ func=PtCharmF0M1S0PP;
+ } else if (sname == "F0M2S0 pp") {
+ func=PtCharmF0M2S0PP;
+ } else if (sname == "F0M0S1 pp") {
+ func=PtCharmF0M0S1PP;
+ } else if (sname == "F0M0S2 pp") {
+ func=PtCharmF0M0S2PP;
+ } else if (sname == "F0M0S3 pp") {
+ func=PtCharmF0M0S3PP;
+ } else if (sname == "F0M0S4 pp") {
+ func=PtCharmF0M0S4PP;
+ } else if (sname == "F0M0S5 pp") {
+ func=PtCharmF0M0S5PP;
+ } else if (sname == "F0M0S6 pp") {
+ func=PtCharmF0M0S6PP;
+ } else if (sname == "central") {
+ func=PtCharmCentral;
+ } else {
+ func=PtCharm;
+ }
break;
case kBeauty:
- func=PtBeauty;
+ if (sname == "F0M0S0 pp") {
+ func=PtBeautyF0M0S0PP;
+ } else if (sname == "F1M0S0 pp") {
+ func=PtBeautyF1M0S0PP;
+ } else if (sname == "F2M0S0 pp") {
+ func=PtBeautyF2M0S0PP;
+ } else if (sname == "F0M1S0 pp") {
+ func=PtBeautyF0M1S0PP;
+ } else if (sname == "F0M2S0 pp") {
+ func=PtBeautyF0M2S0PP;
+ } else if (sname == "F0M0S1 pp") {
+ func=PtBeautyF0M0S1PP;
+ } else if (sname == "F0M0S2 pp") {
+ func=PtBeautyF0M0S2PP;
+ } else if (sname == "F0M0S3 pp") {
+ func=PtBeautyF0M0S3PP;
+ } else if (sname == "F0M0S4 pp") {
+ func=PtBeautyF0M0S4PP;
+ } else if (sname == "F0M0S5 pp") {
+ func=PtBeautyF0M0S5PP;
+ } else if (sname == "F0M0S6 pp") {
+ func=PtBeautyF0M0S6PP;
+ } else if (sname == "central") {
+ func=PtBeautyCentral;
+ } else {
+ func=PtBeauty;
+ }
break;
case kPion:
- func=PtPion;
+ if (sname == "2010 Pos PP") {
+ func=PtPionPos2010PP;
+ } else if (sname == "2010 Neg PP") {
+ func=PtPionNeg2010PP;
+ } else {
+ func=PtPion;
+ }
break;
case kKaon:
- func=PtKaon;
+ if (sname == "2010 Pos PP") {
+ func=PtKaonPos2010PP;
+ } else if (sname == "2010 Neg PP") {
+ func=PtKaonNeg2010PP;
+ } else {
+ func=PtKaon;
+ }
+ break;
+ case kChic0:
+ func=PtChic0;
+ break;
+ case kChic:
+ func=PtChic;
break;
default:
func=0;
GenFunc AliGenMUONlib::GetY(Int_t param, const char* tname) const
{
+ //
+ // Return pointer to y- parameterisation
+ //
TString sname = TString(tname);
-
-// Return pointer to y- parameterisation
GenFunc func;
switch (param)
{
case kOmega:
func=YOmega;
break;
+ case kJpsiFamily:
+ case kPsiP:
+ case kChic1:
+ case kChic2:
case kJpsi:
if (sname == "Vogt" || sname == "Vogt PbPb") {
func=YJpsiPbPb;
} else if (sname == "Vogt pp"){
func=YJpsiPP;
+ } else if (sname == "pp 7") {
+ func=YJpsiPP7000;
+ } else if (sname == "pp 2.76") {
+ func=YJpsiPP2760;
+ } else if (sname == "pp 4.4") {
+ func=YJpsiPP4400;
+ } else if (sname == "pp 5.03") {
+ func=YJpsiPP5030;
+ } else if (sname == "pp 8.8") {
+ func=YJpsiPP8800;
+ } else if (sname == "pp 7 poly") {
+ func=YJpsiPPpoly7000;
+ } else if (sname == "pp 2.76 poly") {
+ func=YJpsiPPpoly2760;
+ } else if (sname == "PbPb 2.76") {
+ func=YJpsiPbPb2760;
+ } else if (sname == "PbPb 2.76c1") {
+ func=YJpsiPbPb2760c1;
+ } else if (sname == "PbPb 2.76c2") {
+ func=YJpsiPbPb2760c2;
+ } else if (sname == "PbPb 2.76c3") {
+ func=YJpsiPbPb2760c3;
+ } else if (sname == "PbPb 2.76c4") {
+ func=YJpsiPbPb2760c4;
+ } else if (sname == "PbPb 2.76c5") {
+ func=YJpsiPbPb2760c5;
+ } else if (sname == "PbPb 2.76c6") {
+ func=YJpsiPbPb2760c6;
+ } else if (sname == "PbPb 2.76c7") {
+ func=YJpsiPbPb2760c7;
+ } else if (sname == "PbPb 2.76c8") {
+ func=YJpsiPbPb2760c8;
+ } else if (sname == "PbPb 2.76c9") {
+ func=YJpsiPbPb2760c9;
+ } else if (sname == "PbPb 2.76c10") {
+ func=YJpsiPbPb2760c10;
+ } else if (sname == "PbPb 2.76c11") {
+ func=YJpsiPbPb2760c11;
+ } else if (sname == "pPb 5.03") {
+ func=YJpsiPPb5030;
+ } else if (sname == "pPb 5.03c1") {
+ func=YJpsiPPb5030c1;
+ } else if (sname == "pPb 5.03c2") {
+ func=YJpsiPPb5030c2;
+ } else if (sname == "pPb 5.03c3") {
+ func=YJpsiPPb5030c3;
+ } else if (sname == "pPb 5.03c4") {
+ func=YJpsiPPb5030c4;
+ } else if (sname == "Pbp 5.03") {
+ func=YJpsiPbP5030;
+ } else if (sname == "Pbp 5.03c1") {
+ func=YJpsiPbP5030c1;
+ } else if (sname == "Pbp 5.03c2") {
+ func=YJpsiPbP5030c2;
+ } else if (sname == "Pbp 5.03c3") {
+ func=YJpsiPbP5030c3;
+ } else if (sname == "Pbp 5.03c4") {
+ func=YJpsiPbP5030c4;
+ } else if (sname == "pPb 8.8") {
+ func=YJpsiPPb8800;
+ } else if (sname == "pPb 8.8c1") {
+ func=YJpsiPPb8800c1;
+ } else if (sname == "pPb 8.8c2") {
+ func=YJpsiPPb8800c2;
+ } else if (sname == "pPb 8.8c3") {
+ func=YJpsiPPb8800c3;
+ } else if (sname == "pPb 8.8c4") {
+ func=YJpsiPPb8800c4;
+ } else if (sname == "Pbp 8.8") {
+ func=YJpsiPbP8800;
+ } else if (sname == "Pbp 8.8c1") {
+ func=YJpsiPbP8800c1;
+ } else if (sname == "Pbp 8.8c2") {
+ func=YJpsiPbP8800c2;
+ } else if (sname == "Pbp 8.8c3") {
+ func=YJpsiPbP8800c3;
+ } else if (sname == "Pbp 8.8c4") {
+ func=YJpsiPbP8800c4;
+ } else if (sname == "CDF scaled") {
+ func=YJpsiCDFscaled;
+ } else if (sname == "CDF pp") {
+ func=YJpsiCDFscaledPP;
+ } else if (sname == "CDF pp 10") {
+ func=YJpsiCDFscaledPP10;
+ } else if (sname == "CDF pp 8.8") {
+ func=YJpsiCDFscaledPP9;
+ } else if (sname == "CDF pp 7" || sname == "CDF pp 7 flat pt") {
+ func=YJpsiCDFscaledPP7;
+ } else if (sname == "CDF pp 3.94") {
+ func=YJpsiCDFscaledPP4;
+ } else if (sname == "CDF pp 2.76") {
+ func=YJpsiCDFscaledPP3;
+ } else if (sname == "CDF pp 1.9") {
+ func=YJpsiCDFscaledPP2;
+ } else if (sname == "CDF pPb 8.8") {
+ func=YJpsiCDFscaledPPb9;
+ } else if (sname == "CDF Pbp 8.8") {
+ func=YJpsiCDFscaledPbP9;
+ } else if (sname == "CDF PbPb 3.94") {
+ func=YJpsiCDFscaledPbPb4;
+ } else if (sname == "Flat" || sname == "CDF pp 7 flat y") {
+ func=YJpsiFlat;
} else {
func=YJpsi;
}
-
break;
+ case kJpsiFromB:
+ func = YJpsiBPbPb;
+ break;
+ case kUpsilonFamily:
+ case kUpsilonP:
+ case kUpsilonPP:
case kUpsilon:
if (sname == "Vogt" || sname == "Vogt PbPb") {
func=YUpsilonPbPb;
} else if (sname == "Vogt pp") {
func = YUpsilonPP;
+ } else if (sname == "pp 7") {
+ func=YUpsilonPP7000;
+ } else if (sname == "pp 2.76") {
+ func=YUpsilonPP2760;
+ } else if (sname == "pp 4.4") {
+ func=YUpsilonPP4400;
+ } else if (sname == "pp 5.03") {
+ func=YUpsilonPP5030;
+ } else if (sname == "pp 8.8") {
+ func=YUpsilonPP8800;
+ } else if (sname == "pp 7 poly") {
+ func=YUpsilonPPpoly7000;
+ } else if (sname == "pp 2.76 poly") {
+ func=YUpsilonPPpoly2760;
+ } else if (sname == "PbPb 2.76") {
+ func=YUpsilonPbPb2760;
+ } else if (sname == "PbPb 2.76c1") {
+ func=YUpsilonPbPb2760c1;
+ } else if (sname == "PbPb 2.76c2") {
+ func=YUpsilonPbPb2760c2;
+ } else if (sname == "PbPb 2.76c3") {
+ func=YUpsilonPbPb2760c3;
+ } else if (sname == "PbPb 2.76c4") {
+ func=YUpsilonPbPb2760c4;
+ } else if (sname == "PbPb 2.76c5") {
+ func=YUpsilonPbPb2760c5;
+ } else if (sname == "PbPb 2.76c6") {
+ func=YUpsilonPbPb2760c6;
+ } else if (sname == "PbPb 2.76c7") {
+ func=YUpsilonPbPb2760c7;
+ } else if (sname == "PbPb 2.76c8") {
+ func=YUpsilonPbPb2760c8;
+ } else if (sname == "PbPb 2.76c9") {
+ func=YUpsilonPbPb2760c9;
+ } else if (sname == "PbPb 2.76c10") {
+ func=YUpsilonPbPb2760c10;
+ } else if (sname == "PbPb 2.76c11") {
+ func=YUpsilonPbPb2760c11;
+ } else if (sname == "pPb 5.03") {
+ func=YUpsilonPPb5030;
+ } else if (sname == "pPb 5.03c1") {
+ func=YUpsilonPPb5030c1;
+ } else if (sname == "pPb 5.03c2") {
+ func=YUpsilonPPb5030c2;
+ } else if (sname == "pPb 5.03c3") {
+ func=YUpsilonPPb5030c3;
+ } else if (sname == "pPb 5.03c4") {
+ func=YUpsilonPPb5030c4;
+ } else if (sname == "Pbp 5.03") {
+ func=YUpsilonPbP5030;
+ } else if (sname == "Pbp 5.03c1") {
+ func=YUpsilonPbP5030c1;
+ } else if (sname == "Pbp 5.03c2") {
+ func=YUpsilonPbP5030c2;
+ } else if (sname == "Pbp 5.03c3") {
+ func=YUpsilonPbP5030c3;
+ } else if (sname == "Pbp 5.03c4") {
+ func=YUpsilonPbP5030c4;
+ } else if (sname == "pPb 8.8") {
+ func=YUpsilonPPb8800;
+ } else if (sname == "pPb 8.8c1") {
+ func=YUpsilonPPb8800c1;
+ } else if (sname == "pPb 8.8c2") {
+ func=YUpsilonPPb8800c2;
+ } else if (sname == "pPb 8.8c3") {
+ func=YUpsilonPPb8800c3;
+ } else if (sname == "pPb 8.8c4") {
+ func=YUpsilonPPb8800c4;
+ } else if (sname == "Pbp 8.8") {
+ func=YUpsilonPbP8800;
+ } else if (sname == "Pbp 8.8c1") {
+ func=YUpsilonPbP8800c1;
+ } else if (sname == "Pbp 8.8c2") {
+ func=YUpsilonPbP8800c2;
+ } else if (sname == "Pbp 8.8c3") {
+ func=YUpsilonPbP8800c3;
+ } else if (sname == "Pbp 8.8c4") {
+ func=YUpsilonPbP8800c4;
+ } else if (sname == "CDF scaled") {
+ func=YUpsilonCDFscaled;
+ } else if (sname == "CDF pp") {
+ func=YUpsilonCDFscaledPP;
+ } else if (sname == "CDF pp 10") {
+ func=YUpsilonCDFscaledPP10;
+ } else if (sname == "CDF pp 8.8") {
+ func=YUpsilonCDFscaledPP9;
+ } else if (sname == "CDF pp 7") {
+ func=YUpsilonCDFscaledPP7;
+ } else if (sname == "CDF pp 3.94") {
+ func=YUpsilonCDFscaledPP4;
+ } else if (sname == "CDF pPb 8.8") {
+ func=YUpsilonCDFscaledPPb9;
+ } else if (sname == "CDF Pbp 8.8") {
+ func=YUpsilonCDFscaledPbP9;
+ } else if (sname == "CDF PbPb 3.94") {
+ func=YUpsilonCDFscaledPbPb4;
+ } else if (sname == "Flat") {
+ func=YUpsilonFlat;
} else {
func=YUpsilon;
}
break;
case kCharm:
- func=YCharm;
+ if (sname == "F0M0S0 pp") {
+ func=YCharmF0M0S0PP;
+ } else if (sname == "F1M0S0 pp") {
+ func=YCharmF1M0S0PP;
+ } else if (sname == "F2M0S0 pp") {
+ func=YCharmF2M0S0PP;
+ } else if (sname == "F0M1S0 pp") {
+ func=YCharmF0M1S0PP;
+ } else if (sname == "F0M2S0 pp") {
+ func=YCharmF0M2S0PP;
+ } else if (sname == "F0M0S1 pp") {
+ func=YCharmF0M0S1PP;
+ } else if (sname == "F0M0S2 pp") {
+ func=YCharmF0M0S2PP;
+ } else if (sname == "F0M0S3 pp") {
+ func=YCharmF0M0S3PP;
+ } else if (sname == "F0M0S4 pp") {
+ func=YCharmF0M0S4PP;
+ } else if (sname == "F0M0S5 pp") {
+ func=YCharmF0M0S5PP;
+ } else if (sname == "F0M0S6 pp") {
+ func=YCharmF0M0S6PP;
+ } else {
+ func=YCharm;
+ }
break;
case kBeauty:
- func=YBeauty;
+ if (sname == "F0M0S0 pp") {
+ func=YBeautyF0M0S0PP;
+ } else if (sname == "F1M0S0 pp") {
+ func=YBeautyF1M0S0PP;
+ } else if (sname == "F2M0S0 pp") {
+ func=YBeautyF2M0S0PP;
+ } else if (sname == "F0M1S0 pp") {
+ func=YBeautyF0M1S0PP;
+ } else if (sname == "F0M2S0 pp") {
+ func=YBeautyF0M2S0PP;
+ } else if (sname == "F0M0S1 pp") {
+ func=YBeautyF0M0S1PP;
+ } else if (sname == "F0M0S2 pp") {
+ func=YBeautyF0M0S2PP;
+ } else if (sname == "F0M0S3 pp") {
+ func=YBeautyF0M0S3PP;
+ } else if (sname == "F0M0S4 pp") {
+ func=YBeautyF0M0S4PP;
+ } else if (sname == "F0M0S5 pp") {
+ func=YBeautyF0M0S5PP;
+ } else if (sname == "F0M0S6 pp") {
+ func=YBeautyF0M0S6PP;
+ } else {
+ func=YBeauty;
+ }
break;
case kPion:
- func=YPion;
+ if (sname == "2010 Pos PP") {
+ func=YKaonPion2010PP;
+ } else if (sname == "2010 Neg PP") {
+ func=YKaonPion2010PP;
+ } else {
+ func=YPion;
+ }
break;
case kKaon:
- func=YKaon;
+ if (sname == "2010 Pos PP") {
+ func=YKaonPion2010PP;
+ } else if (sname == "2010 Neg PP") {
+ func=YKaonPion2010PP;
+ } else {
+ func=YKaon;
+ }
+ break;
+ case kChic0:
+ func=YChic0;
+ break;
+ case kChic:
+ func=YChic;
break;
default:
func=0;
}
return func;
}
+
+//
+// Chi
+//
+//
+// pt-distribution
+//____________________________________________________________
+Double_t AliGenMUONlib::PtChic0( const Double_t *px, const Double_t */*dummy*/)
+{
+// Chi_c1 pT
+ const Double_t kpt0 = 4.;
+ const Double_t kxn = 3.6;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtChic1( const Double_t *px, const Double_t */*dummy*/)
+{
+// Chi_c1 pT
+ const Double_t kpt0 = 4.;
+ const Double_t kxn = 3.6;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtChic2( const Double_t *px, const Double_t */*dummy*/)
+{
+// Chi_c2 pT
+ const Double_t kpt0 = 4.;
+ const Double_t kxn = 3.6;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+Double_t AliGenMUONlib::PtChic( const Double_t *px, const Double_t */*dummy*/)
+{
+// Chi_c family pT
+ const Double_t kpt0 = 4.;
+ const Double_t kxn = 3.6;
+ Double_t x=*px;
+ //
+ Double_t pass1 = 1.+(x/kpt0)*(x/kpt0);
+ return x/TMath::Power(pass1,kxn);
+}
+
+//
+// y-distribution
+//____________________________________________________________
+Double_t AliGenMUONlib::YChic0(const Double_t *py, const Double_t */*dummy*/)
+{
+// Chi-1c y
+ const Double_t ky0 = 4.;
+ const Double_t kb=1.;
+ Double_t yj;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yj=kb;
+ else
+ yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yj;
+}
+
+Double_t AliGenMUONlib::YChic1(const Double_t *py, const Double_t */*dummy*/)
+{
+// Chi-1c y
+ const Double_t ky0 = 4.;
+ const Double_t kb=1.;
+ Double_t yj;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yj=kb;
+ else
+ yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yj;
+}
+
+Double_t AliGenMUONlib::YChic2(const Double_t *py, const Double_t */*dummy*/)
+{
+// Chi-2c y
+ const Double_t ky0 = 4.;
+ const Double_t kb=1.;
+ Double_t yj;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yj=kb;
+ else
+ yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yj;
+}
+
+Double_t AliGenMUONlib::YChic(const Double_t *py, const Double_t */*dummy*/)
+{
+// Chi_c family y
+ const Double_t ky0 = 4.;
+ const Double_t kb=1.;
+ Double_t yj;
+ Double_t y=TMath::Abs(*py);
+ //
+ if (y < ky0)
+ yj=kb;
+ else
+ yj=kb*TMath::Exp(-(y-ky0)*(y-ky0)/2);
+ return yj;
+}
+
+// particle composition
+//
+Int_t AliGenMUONlib::IpChic0(TRandom *)
+{
+// Chi composition
+ return 10441;
+}
+//
+Int_t AliGenMUONlib::IpChic1(TRandom *)
+{
+// Chi composition
+ return 20443;
+}
+Int_t AliGenMUONlib::IpChic2(TRandom *)
+{
+// Chi_c2 prime composition
+ return 445;
+}
+Int_t AliGenMUONlib::IpChic(TRandom *)
+{
+// Chi composition
+ Int_t ip;
+ Float_t r = gRandom->Rndm();
+ if (r < 0.001) {
+ ip = 10441;
+ } else if( r < 0.377 ) {
+ ip = 20443;
+ } else {
+ ip = 445;
+ }
+ return ip;
+}
+
+
+//_____________________________________________________________
+
typedef Int_t (*GenFuncIp) (TRandom *);
GenFuncIp AliGenMUONlib::GetIp(Int_t param, const char* tname) const
{
// Return pointer to particle type parameterisation
+ TString sname = TString(tname);
GenFuncIp func;
switch (param)
{
case kOmega:
func=IpOmega;
break;
+ case kJpsiFamily:
+ func=IpJpsiFamily;
+ break;
+ case kPsiP:
+ func=IpPsiP;
+ break;
case kJpsi:
+ case kJpsiFromB:
func=IpJpsi;
break;
case kUpsilon:
func=IpUpsilon;
break;
+ case kUpsilonFamily:
+ func=IpUpsilonFamily;
+ break;
+ case kUpsilonP:
+ func=IpUpsilonP;
+ break;
+ case kUpsilonPP:
+ func=IpUpsilonPP;
+ break;
case kCharm:
func=IpCharm;
break;
func=IpBeauty;
break;
case kPion:
- func=IpPion;
+ if (sname == "2010 Pos PP") {
+ func=IpPionPos;
+ } else if (sname == "2010 Neg PP") {
+ func=IpPionNeg;
+ } else {
+ func=IpPion;
+ }
break;
case kKaon:
- func=IpKaon;
+ if (sname == "2010 Pos PP") {
+ func=IpKaonPos;
+ } else if (sname == "2010 Neg PP") {
+ func=IpKaonNeg;
+ } else {
+ func=IpKaon;
+ }
break;
+ case kChic0:
+ func=IpChic0;
+ break;
+ case kChic1:
+ func=IpChic1;
+ break;
+ case kChic2:
+ func=IpChic2;
+ break;
+ case kChic:
+ func=IpChic;
+ break;
default:
func=0;
printf("<AliGenMUONlib::GetIp> unknown parametrisation\n");
return y1;
}
+//=============================================================================
+Double_t AliGenMUONlib::PtPionPos2010PP(const Double_t *px, const Double_t* /*dummy*/)
+{
+// Pos pion
+ const Double_t par[3] = {2.27501, 0.116141, 5.59591};
+ Double_t pt = px[0];
+ Double_t m0 = TDatabasePDG::Instance()->GetParticle(211)->Mass();
+ Double_t mt = TMath::Sqrt(m0*m0 + pt*pt);
+ Double_t nc = par[1]*par[2];
+ Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0);
+ Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]);
+ Double_t fn = par[0] * pt * t1 * t2;
+ return fn;
+}
+
+//=============================================================================
+Double_t AliGenMUONlib::PtPionNeg2010PP(const Double_t *px, const Double_t* /*dummy*/)
+{
+// Neg pion
+ const Double_t par[3] = {2.25188, 0.12176, 5.91166};
+ Double_t pt = px[0];
+ Double_t m0 = TDatabasePDG::Instance()->GetParticle(211)->Mass();
+ Double_t mt = TMath::Sqrt(m0*m0 + pt*pt);
+ Double_t nc = par[1]*par[2];
+ Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0);
+ Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]);
+ Double_t fn = par[0] * pt * t1 * t2;
+ return fn;
+}
+
+//=============================================================================
+Double_t AliGenMUONlib::PtKaonPos2010PP(const Double_t *px, const Double_t* /*dummy*/)
+{
+// Pos kaons
+ const Double_t par[3] = {0.279386, 0.195466, 6.59587};
+ Double_t pt = px[0];
+ Double_t m0 = TDatabasePDG::Instance()->GetParticle(321)->Mass();
+ Double_t mt = TMath::Sqrt(m0*m0 + pt*pt);
+ Double_t nc = par[1]*par[2];
+ Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0);
+ Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]);
+ Double_t fn = par[0] * pt * t1 * t2;
+ return fn;
+}
+
+//=============================================================================
+Double_t AliGenMUONlib::PtKaonNeg2010PP(const Double_t *px, const Double_t* /*dummy*/)
+{
+// Neg kaons
+ const Double_t par[3] = {0.278927, 0.189049, 6.43006};
+ Double_t pt = px[0];
+ Double_t m0 = TDatabasePDG::Instance()->GetParticle(321)->Mass();
+ Double_t mt = TMath::Sqrt(m0*m0 + pt*pt);
+ Double_t nc = par[1]*par[2];
+ Double_t t1 = (par[2]-1.)/nc/(nc/(par[2]-2.)+m0);
+ Double_t t2 = TMath::Power(1.+(mt-m0)/nc, -1.*par[2]);
+ Double_t fn = par[0] * pt * t1 * t2;
+ return fn;
+}
+
+//=============================================================================
+Double_t AliGenMUONlib::YKaonPion2010PP(const Double_t *px, const Double_t* /*dummy*/)
+{
+// pions and kaons
+ Double_t y = px[0];
+ Double_t sigma = 2.35;
+ Double_t kernal = y/2./sigma;
+ Double_t fxn = TMath::Exp(-1.*kernal*kernal);
+ return fxn;
+}
+
+//=============================================================================
+Int_t AliGenMUONlib::IpPionPos(TRandom *)
+{
+// Pos pions
+ return 211;
+}
+//=============================================================================
+Int_t AliGenMUONlib::IpPionNeg(TRandom *)
+{
+// Neg pions
+ return -211;
+}
+
+//=============================================================================
+Int_t AliGenMUONlib::IpKaonPos(TRandom *)
+{
+// pos Kaons
+ return 321;
+}
+
+//=============================================================================
+Int_t AliGenMUONlib::IpKaonNeg(TRandom *)
+{
+// neg Kaons
+ return -321;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff