/* $Id$ */
+/* History of cvs commits:
+ *
+ * $Log$
+ * Revision 1.102 2006/01/23 17:51:48 hristov
+ * Using the recommended way of forward declarations for TVector and TMatrix (see v5-08-00 release notes). Additional clean-up
+ *
+ * Revision 1.101 2005/05/28 14:19:04 schutz
+ * Compilation warnings fixed by T.P.
+ *
+ */
+
//_________________________________________________________________________
// Implementation version v1 of the PHOS particle identifier
// Particle identification based on the
// --- Standard library ---
+#include <TMatrixF.h>
#include "TFormula.h"
#include "TBenchmark.h"
#include "TPrincipal.h"
ClassImp( AliPHOSPIDv1)
//____________________________________________________________________________
-AliPHOSPIDv1::AliPHOSPIDv1():AliPHOSPID()
+AliPHOSPIDv1::AliPHOSPIDv1() :
+ fBayesian(kFALSE),
+ fDefaultInit(kFALSE),
+ fWrite(kFALSE),
+ fNEvent(0),
+ fFileNamePrincipalPhoton(),
+ fFileNamePrincipalPi0(),
+ fFileNameParameters(),
+ fPrincipalPhoton(0),
+ fPrincipalPi0(0),
+ fX(0),
+ fPPhoton(0),
+ fPPi0(0),
+ fRecParticlesInRun(0),
+ fParameters(0),
+ fTFphoton(0),
+ fTFpiong(0),
+ fTFkaong(0),
+ fTFkaonl(0),
+ fTFhhadrong(0),
+ fTFhhadronl(0),
+ fDFmuon(0),
+ fERecWeight(0),
+ fChargedNeutralThreshold(0.),
+ fTOFEnThreshold(0),
+ fDispEnThreshold(0),
+ fDispMultThreshold(0)
{
// default ctor
}
//____________________________________________________________________________
-AliPHOSPIDv1::AliPHOSPIDv1(const AliPHOSPIDv1 & pid ):AliPHOSPID(pid)
+AliPHOSPIDv1::AliPHOSPIDv1(const AliPHOSPIDv1 & pid ) :
+ AliPHOSPID(pid),
+ fBayesian(kFALSE),
+ fDefaultInit(kFALSE),
+ fWrite(kFALSE),
+ fNEvent(0),
+ fFileNamePrincipalPhoton(),
+ fFileNamePrincipalPi0(),
+ fFileNameParameters(),
+ fPrincipalPhoton(0),
+ fPrincipalPi0(0),
+ fX(0),
+ fPPhoton(0),
+ fPPi0(0),
+ fRecParticlesInRun(0),
+ fParameters(0),
+ fTFphoton(0),
+ fTFpiong(0),
+ fTFkaong(0),
+ fTFkaonl(0),
+ fTFhhadrong(0),
+ fTFhhadronl(0),
+ fDFmuon(0),
+ fERecWeight(0),
+ fChargedNeutralThreshold(0.),
+ fTOFEnThreshold(0),
+ fDispEnThreshold(0),
+ fDispMultThreshold(0)
+
{
// ctor
InitParameters() ;
}
//____________________________________________________________________________
-AliPHOSPIDv1::AliPHOSPIDv1(const TString alirunFileName, const TString eventFolderName):AliPHOSPID(alirunFileName, eventFolderName)
+AliPHOSPIDv1::AliPHOSPIDv1(const TString alirunFileName, const TString eventFolderName) :
+ AliPHOSPID(alirunFileName, eventFolderName),
+ fBayesian(kFALSE),
+ fDefaultInit(kFALSE),
+ fWrite(kFALSE),
+ fNEvent(0),
+ fFileNamePrincipalPhoton(),
+ fFileNamePrincipalPi0(),
+ fFileNameParameters(),
+ fPrincipalPhoton(0),
+ fPrincipalPi0(0),
+ fX(0),
+ fPPhoton(0),
+ fPPi0(0),
+ fRecParticlesInRun(0),
+ fParameters(0),
+ fTFphoton(0),
+ fTFpiong(0),
+ fTFkaong(0),
+ fTFkaonl(0),
+ fTFhhadrong(0),
+ fTFhhadronl(0),
+ fDFmuon(0),
+ fERecWeight(0),
+ fChargedNeutralThreshold(0.),
+ fTOFEnThreshold(0),
+ fDispEnThreshold(0),
+ fDispMultThreshold(0)
+
{
//ctor with the indication on where to look for the track segments
// initialisation of response function parameters
// Tof
+
+// // Photons
+// fTphoton[0] = 0.218 ;
+// fTphoton[1] = 1.55E-8 ;
+// fTphoton[2] = 5.05E-10 ;
+// fTFphoton = new TFormula("ToF response to photons" , "gaus") ;
+// fTFphoton->SetParameters( fTphoton[0], fTphoton[1], fTphoton[2]) ;
+
+// // Pions
+// //Gaus (0 to max probability)
+// fTpiong[0] = 0.0971 ;
+// fTpiong[1] = 1.58E-8 ;
+// fTpiong[2] = 5.69E-10 ;
+// fTFpiong = new TFormula("ToF response to pions" , "gaus") ;
+// fTFpiong->SetParameters( fTpiong[0], fTpiong[1], fTpiong[2]) ;
+
+// // Kaons
+// //Gaus (0 to max probability)
+// fTkaong[0] = 0.0542 ;
+// fTkaong[1] = 1.64E-8 ;
+// fTkaong[2] = 6.07E-10 ;
+// fTFkaong = new TFormula("ToF response to kaon" , "gaus") ;
+// fTFkaong->SetParameters( fTkaong[0], fTkaong[1], fTkaong[2]) ;
+// //Landau (max probability to inf)
+// fTkaonl[0] = 0.264 ;
+// fTkaonl[1] = 1.68E-8 ;
+// fTkaonl[2] = 4.10E-10 ;
+// fTFkaonl = new TFormula("ToF response to kaon" , "landau") ;
+// fTFkaonl->SetParameters( fTkaonl[0], fTkaonl[1], fTkaonl[2]) ;
+
+// //Heavy Hadrons
+// //Gaus (0 to max probability)
+// fThhadrong[0] = 0.0302 ;
+// fThhadrong[1] = 1.73E-8 ;
+// fThhadrong[2] = 9.52E-10 ;
+// fTFhhadrong = new TFormula("ToF response to heavy hadrons" , "gaus") ;
+// fTFhhadrong->SetParameters( fThhadrong[0], fThhadrong[1], fThhadrong[2]) ;
+// //Landau (max probability to inf)
+// fThhadronl[0] = 0.139 ;
+// fThhadronl[1] = 1.745E-8 ;
+// fThhadronl[2] = 1.00E-9 ;
+// fTFhhadronl = new TFormula("ToF response to heavy hadrons" , "landau") ;
+// fTFhhadronl->SetParameters( fThhadronl[0], fThhadronl[1], fThhadronl[2]) ;
+
// Photons
- fTphoton[0] = 0.218 ;
- //fTphoton[0] = 1. ;
+ fTphoton[0] = 7.83E8 ;
fTphoton[1] = 1.55E-8 ;
- fTphoton[2] = 5.05E-10 ;
+ fTphoton[2] = 5.09E-10 ;
fTFphoton = new TFormula("ToF response to photons" , "gaus") ;
fTFphoton->SetParameters( fTphoton[0], fTphoton[1], fTphoton[2]) ;
-// // Electrons
-// fTelectron[0] = 0.2 ;
-// fTelectron[1] = 1.55E-8 ;
-// fTelectron[2] = 5.35E-10 ;
-// fTFelectron = new TFormula("ToF response to electrons" , "gaus") ;
-// fTFelectron->SetParameters( fTelectron[0], fTelectron[1], fTelectron[2]) ;
-// // Muons
-// fTmuon[0] = 0.2 ;
-// fTmuon[1] = 1.55E-8 ;
-// fTmuon[2] = 5.1E-10 ;
-// fTFmuon = new TFormula("ToF response to muons" , "gaus") ;
-// fTFmuon->SetParameters( fTmuon[0], fTmuon[1], fTmuon[2]) ;
// Pions
//Gaus (0 to max probability)
- fTpiong[0] = 0.0971 ;
- //fTpiong[0] = 1. ;
+ fTpiong[0] = 6.73E8 ;
fTpiong[1] = 1.58E-8 ;
- fTpiong[2] = 5.69E-10 ;
+ fTpiong[2] = 5.87E-10 ;
fTFpiong = new TFormula("ToF response to pions" , "gaus") ;
fTFpiong->SetParameters( fTpiong[0], fTpiong[1], fTpiong[2]) ;
- // Landau (max probability to inf)
-// fTpionl[0] = 0.05 ;
-// //fTpionl[0] = 5.53 ;
-// fTpionl[1] = 1.68E-8 ;
-// fTpionl[2] = 5.38E-10 ;
-// fTFpionl = new TFormula("ToF response to pions" , "landau") ;
-// fTFpionl->SetParameters( fTpionl[0], fTpionl[1], fTpionl[2]) ;
-
// Kaons
//Gaus (0 to max probability)
- fTkaong[0] = 0.0542 ;
- //fTkaong[0] = 1. ;
+ fTkaong[0] = 3.93E8 ;
fTkaong[1] = 1.64E-8 ;
- fTkaong[2] = 6.07-10 ;
+ fTkaong[2] = 6.07E-10 ;
fTFkaong = new TFormula("ToF response to kaon" , "gaus") ;
fTFkaong->SetParameters( fTkaong[0], fTkaong[1], fTkaong[2]) ;
//Landau (max probability to inf)
- fTkaonl[0] = 0.264 ;
- //fTkaonl[0] = 5.53 ;
+ fTkaonl[0] = 2.0E9 ;
fTkaonl[1] = 1.68E-8 ;
fTkaonl[2] = 4.10E-10 ;
fTFkaonl = new TFormula("ToF response to kaon" , "landau") ;
//Heavy Hadrons
//Gaus (0 to max probability)
- fThhadrong[0] = 0.0302 ;
- //fThhadrong[0] = 1. ;
+ fThhadrong[0] = 2.02E8 ;
fThhadrong[1] = 1.73E-8 ;
fThhadrong[2] = 9.52E-10 ;
fTFhhadrong = new TFormula("ToF response to heavy hadrons" , "gaus") ;
fTFhhadrong->SetParameters( fThhadrong[0], fThhadrong[1], fThhadrong[2]) ;
//Landau (max probability to inf)
- fThhadronl[0] = 0.139 ;
- //fThhadronl[0] = 5.53 ;
- fThhadronl[1] = 1.745E-8 ;
- fThhadronl[2] = 1.00E-9 ;
+ fThhadronl[0] = 1.10E9 ;
+ fThhadronl[1] = 1.74E-8 ;
+ fThhadronl[2] = 1.00E-9 ;
fTFhhadronl = new TFormula("ToF response to heavy hadrons" , "landau") ;
fTFhhadronl->SetParameters( fThhadronl[0], fThhadronl[1], fThhadronl[2]) ;
-/// /gaussian parametrization for pions
-// fTpion[0] = 3.93E-2 ; fTpion[1] = 0.130 ; fTpion[2] =-6.37E-2 ;//constant
-// fTpion[3] = 1.65E-8 ; fTpion[4] =-1.40E-9 ; fTpion[5] = 5.96E-10;//mean
-// fTpion[6] = 8.09E-10; fTpion[7] =-4.65E-10; fTpion[8] = 1.50E-10;//sigma
-
-// //landau parametrization for kaons
-// fTkaon[0] = 0.107 ; fTkaon[1] = 0.166 ; fTkaon[2] = 0.243 ;//constant
-// fTkaon[3] = 1.80E-8 ; fTkaon[4] =-2.96E-9 ; fTkaon[5] = 9.60E-10;//mean
-// fTkaon[6] = 1.37E-9 ; fTkaon[7] =-1.80E-9 ; fTkaon[8] = 6.74E-10;//sigma
-
-// //landau parametrization for nucleons
-// fThhadron[0] = 6.33E-2 ; fThhadron[1] = 2.52E-2 ; fThhadron[2] = 2.16E-2 ;//constant
-// fThhadron[3] = 1.94E-8 ; fThhadron[4] =-7.06E-10; fThhadron[5] =-4.69E-10;//mean
-// fThhadron[6] = 2.55E-9 ; fThhadron[7] =-1.90E-9 ; fThhadron[8] = 5.41E-10;//sigma
// Shower shape: dispersion gaussian parameters
// Photons
-
-// fDphoton[0] = 3.84e-2; fDphoton[1] = 4.46e-3 ; fDphoton[2] = -2.36e-2;//constant
-// //fDphoton[0] = 1.0 ; fDphoton[1] = 0. ; fDphoton[2] = 0. ;//constant
-// fDphoton[3] = 1.55 ; fDphoton[4] =-0.0863 ; fDphoton[5] = 0.287 ;//mean
-// fDphoton[6] = 0.0451 ; fDphoton[7] =-0.0803 ; fDphoton[8] = 0.314 ;//sigma
-
- fDphoton[0] = 4.62e-2; fDphoton[1] = 1.39e-2 ; fDphoton[2] = -3.80e-2;//constant
- //fDphoton[0] = 1.0 ; fDphoton[1] = 0. ; fDphoton[2] = 0. ;//constant
- fDphoton[3] = 1.53 ; fDphoton[4] =-6.62e-2 ; fDphoton[5] = 0.339 ;//mean
- fDphoton[6] = 6.89e-2; fDphoton[7] =-6.59e-2 ; fDphoton[8] = 0.194 ;//sigma
-
- fDpi0[0] = 0.0586 ; fDpi0[1] = 1.06E-3 ; fDpi0[2] = 0. ;//constant
- //fDpi0[0] = 1.0 ; fDpi0[1] = 0.0 ; fDpi0[2] = 0. ;//constant
- fDpi0[3] = 2.67 ; fDpi0[4] =-2.00E-2 ; fDpi0[5] = 9.37E-5 ;//mean
- fDpi0[6] = 0.153 ; fDpi0[7] = 9.34E-4 ; fDpi0[8] =-1.49E-5 ;//sigma
- //landau
-// fDhadron[0] = 0.007 ; fDhadron[1] = 0. ; fDhadron[2] = 0. ;//constant
-// //fDhadron[0] = 5.53 ; fDhadron[1] = 0. ; fDhadron[2] = 0. ;//constant
-// fDhadron[3] = 3.38 ; fDhadron[4] = 0.0833 ; fDhadron[5] =-0.845 ;//mean
-// fDhadron[6] = 0.627 ; fDhadron[7] = 0.012 ; fDhadron[8] =-0.170 ;//sigma
-
- fDhadron[0] = 1.61E-2 ; fDhadron[1] = 3.03E-3 ; fDhadron[2] = 1.01E-2 ;//constant
- fDhadron[3] = 3.81 ; fDhadron[4] = 0.232 ; fDhadron[5] =-1.25 ;//mean
- fDhadron[6] = 0.897 ; fDhadron[7] = 0.0987 ; fDhadron[8] =-0.534 ;//sigma
- // Muons
- fDmuon[0] = 0.0631 ;
- fDmuon[1] = 1.4 ;
+
+// fDphoton[0] = 4.62e-2; fDphoton[1] = 1.39e-2 ; fDphoton[2] = -3.80e-2;//constant
+// fDphoton[3] = 1.53 ; fDphoton[4] =-6.62e-2 ; fDphoton[5] = 0.339 ;//mean
+// fDphoton[6] = 6.89e-2; fDphoton[7] =-6.59e-2 ; fDphoton[8] = 0.194 ;//sigma
+
+// fDpi0[0] = 0.0586 ; fDpi0[1] = 1.06E-3 ; fDpi0[2] = 0. ;//constant
+// fDpi0[3] = 2.67 ; fDpi0[4] =-2.00E-2 ; fDpi0[5] = 9.37E-5 ;//mean
+// fDpi0[6] = 0.153 ; fDpi0[7] = 9.34E-4 ; fDpi0[8] =-1.49E-5 ;//sigma
+
+// fDhadron[0] = 1.61E-2 ; fDhadron[1] = 3.03E-3 ; fDhadron[2] = 1.01E-2 ;//constant
+// fDhadron[3] = 3.81 ; fDhadron[4] = 0.232 ; fDhadron[5] =-1.25 ;//mean
+// fDhadron[6] = 0.897 ; fDhadron[7] = 0.0987 ; fDhadron[8] =-0.534 ;//sigma
+
+ fDphoton[0] = 1.5 ; fDphoton[1] = 0.49 ; fDphoton[2] =-1.7E-2 ;//constant
+ fDphoton[3] = 1.5 ; fDphoton[4] = 4.0E-2 ; fDphoton[5] = 0.21 ;//mean
+ fDphoton[6] = 4.8E-2 ; fDphoton[7] =-0.12 ; fDphoton[8] = 0.27 ;//sigma
+ fDphoton[9] = 16.; //for E> fDphoton[9] parameters calculated at fDphoton[9]
+
+ fDpi0[0] = 0.25 ; fDpi0[1] = 3.3E-2 ; fDpi0[2] =-1.0e-5 ;//constant
+ fDpi0[3] = 1.50 ; fDpi0[4] = 398. ; fDpi0[5] = 12. ;//mean
+ fDpi0[6] =-7.0E-2 ; fDpi0[7] =-524. ; fDpi0[8] = 22. ;//sigma
+ fDpi0[9] = 110.; //for E> fDpi0[9] parameters calculated at fDpi0[9]
+
+ fDhadron[0] = 6.5 ; fDhadron[1] =-5.3 ; fDhadron[2] = 1.5 ;//constant
+ fDhadron[3] = 3.8 ; fDhadron[4] = 0.23 ; fDhadron[5] =-1.2 ;//mean
+ fDhadron[6] = 0.88 ; fDhadron[7] = 9.3E-2 ; fDhadron[8] =-0.51 ;//sigma
+ fDhadron[9] = 2.; //for E> fDhadron[9] parameters calculated at fDhadron[9]
+
+ fDmuon[0] = 0.0631 ;
+ fDmuon[1] = 1.4 ;
fDmuon[2] = 0.0557 ;
fDFmuon = new TFormula("Shower shape response to muons" , "landau") ;
fDFmuon->SetParameters( fDmuon[0], fDmuon[1], fDmuon[2]) ;
// x(CPV-EMC) distance gaussian parameters
- fXelectron[0] = 8.06e-2 ; fXelectron[1] = 1.00e-2; fXelectron[2] =-5.14e-2;//constant
- //fXelectron[0] = 1.0 ; fXelectron[1] = 0. ; fXelectron[2] = 0. ;//constant
- fXelectron[3] = 0.202 ; fXelectron[4] = 8.15e-3; fXelectron[5] = 4.55 ;//mean
- fXelectron[6] = 0.334 ; fXelectron[7] = 0.186 ; fXelectron[8] = 4.32e-2;//sigma
+// fXelectron[0] = 8.06e-2 ; fXelectron[1] = 1.00e-2; fXelectron[2] =-5.14e-2;//constant
+// fXelectron[3] = 0.202 ; fXelectron[4] = 8.15e-3; fXelectron[5] = 4.55 ;//mean
+// fXelectron[6] = 0.334 ; fXelectron[7] = 0.186 ; fXelectron[8] = 4.32e-2;//sigma
- //charged hadrons gaus
- fXcharged[0] = 6.43e-3 ; fXcharged[1] =-4.19e-5; fXcharged[2] = 1.42e-3;//constant
- fXcharged[3] = 2.75 ; fXcharged[4] =-0.40 ; fXcharged[5] = 1.68 ;//mean
- fXcharged[6] = 3.135 ; fXcharged[7] =-9.41e-2; fXcharged[8] = 1.31e-2;//sigma
+// //charged hadrons gaus
+// fXcharged[0] = 6.43e-3 ; fXcharged[1] =-4.19e-5; fXcharged[2] = 1.42e-3;//constant
+// fXcharged[3] = 2.75 ; fXcharged[4] =-0.40 ; fXcharged[5] = 1.68 ;//mean
+// fXcharged[6] = 3.135 ; fXcharged[7] =-9.41e-2; fXcharged[8] = 1.31e-2;//sigma
- // z(CPV-EMC) distance gaussian parameters
+// // z(CPV-EMC) distance gaussian parameters
- fZelectron[0] = 8.22e-2 ; fZelectron[1] = 5.11e-3; fZelectron[2] =-3.05e-2;//constant
- //fZelectron[0] = 1.0 ; fZelectron[1] = 0. ; fZelectron[2] = 0. ;//constant
- fZelectron[3] = 3.09e-2 ; fZelectron[4] = 5.87e-2; fZelectron[5] =-9.49e-2;//mean
- fZelectron[6] = 0.263 ; fZelectron[7] =-9.02e-3; fZelectron[8] = 0.151 ;//sigma
+// fZelectron[0] = 8.22e-2 ; fZelectron[1] = 5.11e-3; fZelectron[2] =-3.05e-2;//constant
+// fZelectron[3] = 3.09e-2 ; fZelectron[4] = 5.87e-2; fZelectron[5] =-9.49e-2;//mean
+// fZelectron[6] = 0.263 ; fZelectron[7] =-9.02e-3; fZelectron[8] = 0.151 ;//sigma
+// //charged hadrons gaus
+
+// fZcharged[0] = 1.00e-2 ; fZcharged[1] = 2.82E-4 ; fZcharged[2] = 2.87E-3 ;//constant
+// fZcharged[3] =-4.68e-2 ; fZcharged[4] =-9.21e-3 ; fZcharged[5] = 4.91e-2 ;//mean
+// fZcharged[6] = 1.425 ; fZcharged[7] =-5.90e-2 ; fZcharged[8] = 5.07e-2 ;//sigma
+
+
+ fXelectron[0] =-1.6E-2 ; fXelectron[1] = 0.77 ; fXelectron[2] =-0.15 ;//constant
+ fXelectron[3] = 0.35 ; fXelectron[4] = 0.25 ; fXelectron[5] = 4.12 ;//mean
+ fXelectron[6] = 0.30 ; fXelectron[7] = 0.11 ; fXelectron[8] = 0.16 ;//sigma
+ fXelectron[9] = 3.; //for E> fXelectron[9] parameters calculated at fXelectron[9]
+
//charged hadrons gaus
+ fXcharged[0] = 0.14 ; fXcharged[1] =-3.0E-2 ; fXcharged[2] = 0 ;//constant
+ fXcharged[3] = 1.4 ; fXcharged[4] =-9.3E-2 ; fXcharged[5] = 1.4 ;//mean
+ fXcharged[6] = 5.7 ; fXcharged[7] = 0.27 ; fXcharged[8] =-1.8 ;//sigma
+ fXcharged[9] = 1.2; //for E> fXcharged[9] parameters calculated at fXcharged[9]
+
+ // z(CPV-EMC) distance gaussian parameters
- fZcharged[0] = 1.00e-2 ; fZcharged[1] = 2.82E-4 ; fZcharged[2] = 2.87E-3 ;//constant
- fZcharged[3] =-4.68e-2 ; fZcharged[4] =-9.21e-3 ; fZcharged[5] = 4.91e-2 ;//mean
- fZcharged[6] = 1.425 ; fZcharged[7] =-5.90e-2 ; fZcharged[8] = 5.07e-2 ;//sigma
+ fZelectron[0] = 0.49 ; fZelectron[1] = 0.53 ; fZelectron[2] =-9.8E-2 ;//constant
+ fZelectron[3] = 2.8E-2 ; fZelectron[4] = 5.0E-2 ; fZelectron[5] =-8.2E-2 ;//mean
+ fZelectron[6] = 0.25 ; fZelectron[7] =-1.7E-2 ; fZelectron[8] = 0.17 ;//sigma
+ fZelectron[9] = 3.; //for E> fZelectron[9] parameters calculated at fZelectron[9]
+
+ //charged hadrons gaus
+ fZcharged[0] = 0.46 ; fZcharged[1] =-0.65 ; fZcharged[2] = 0.52 ;//constant
+ fZcharged[3] = 1.1E-2 ; fZcharged[4] = 0. ; fZcharged[5] = 0. ;//mean
+ fZcharged[6] = 0.60 ; fZcharged[7] =-8.2E-2 ; fZcharged[8] = 0.45 ;//sigma
+ fZcharged[9] = 1.2; //for E> fXcharged[9] parameters calculated at fXcharged[9]
+
//Threshold to differentiate between charged and neutral
fChargedNeutralThreshold = 1e-5;
+ fTOFEnThreshold = 2; //Maximum energy to use TOF
+ fDispEnThreshold = 0.5; //Minimum energy to use shower shape
+ fDispMultThreshold = 3; //Minimum multiplicity to use shower shape
//Weight to hadrons recontructed energy
//Given the energy x and the parameter y (tof, shower dispersion or cpv-emc distance),
//this method returns a density probability of this parameter, given by a gaussian
//function whose parameters depend with the energy with a function: a/(x*x)+b/x+b
- Double_t cnt = par[1] / (x*x) + par[2] / x + par[0] ;
+ //Float_t xorg = x;
+ if (x > par[9]) x = par[9];
+
+ //Double_t cnt = par[1] / (x*x) + par[2] / x + par[0] ;
+ Double_t cnt = par[0] + par[1] * x + par[2] * x * x ;
Double_t mean = par[4] / (x*x) + par[5] / x + par[3] ;
Double_t sigma = par[7] / (x*x) + par[8] / x + par[6] ;
+// if(xorg > 30)
+// cout<<"En_in = "<<xorg<<"; En_out = "<<x<<"; cnt = "<<cnt
+// <<"; mean = "<<mean<<"; sigma = "<<sigma<<endl;
+
// Double_t arg = - (y-mean) * (y-mean) / (2*sigma*sigma) ;
// return cnt * TMath::Exp(arg) ;
if(TMath::Abs(sigma) > 1.e-10){
// in case 1.
TVector3 dir(0,0,0) ;
- TMatrix dummy ;
+ TMatrixF dummy ;
emc->GetGlobalPosition(dir, dummy) ;
//this method returns a density probability of this parameter, given by a landau
//function whose parameters depend with the energy with a function: a/(x*x)+b/x+b
- Double_t cnt = par[1] / (x*x) + par[2] / x + par[0] ;
+ if (x > par[9]) x = par[9];
+
+ //Double_t cnt = par[1] / (x*x) + par[2] / x + par[0] ;
+ Double_t cnt = par[0] + par[1] * x + par[2] * x * x ;
Double_t mean = par[4] / (x*x) + par[5] / x + par[3] ;
Double_t sigma = par[7] / (x*x) + par[8] / x + par[6] ;
Int_t nparticles = gime->RecParticles()->GetEntriesFast() ;
- // const Int_t kMAXPARTICLES = 2000 ;
- // if (nparticles >= kMAXPARTICLES)
- // Error("MakePID", "Change size of MAXPARTICLES") ;
- // Double_t stof[kSPECIES][kMAXPARTICLES] ;
-
-// const Int_t kMAXPARTICLES = 2000 ;
-// if (nparticles >= kMAXPARTICLES)
-// AliError("Change size of MAXPARTICLES") ;
-// Double_t stof[kSPECIES][kMAXPARTICLES] ;
-
-
- // make the normalized distribution of pid for this event
- // w(pid) in the Bayesian formulation
-// for(index = 0 ; index < nparticles ; index ++) {
-
-// cout<<">>>>>>>>>>>>>>>Bayes Index "<<index<<endl;
-
-
-// AliPHOSEmcRecPoint * emc = AliPHOSGetter::Instance()->EmcRecPoint(index) ;
-// AliPHOSCpvRecPoint * cpv = AliPHOSGetter::Instance()->CpvRecPoint(index) ;
-
TObjArray * emcRecPoints = gime->EmcRecPoints() ;
TObjArray * cpvRecPoints = gime->CpvRecPoints() ;
TClonesArray * trackSegments = gime->TrackSegments() ;
AliFatal(Form("-> emc(%d) = %d", ts->GetEmcIndex(), emc )) ;
}
+
// ############Tof#############################
// Info("MakePID", "TOF");
//We assing the same prob to neutral hadrons, sum is 1
stof[AliPID::kNeutron][index] = 1./2.;
stof[AliPID::kKaon0][index] = 1./2.;
-
stof[AliPID::kMuon][index] = 1.;
-
-
- if(en < 2.) {
+
+ if(en < fTOFEnThreshold) {
Double_t pTofPion = fTFpiong ->Eval(time) ; //gaus distribution
Double_t pTofKaon = 0;
sdp[AliPID::kKaon0][index] = 1. ;
sdp[AliPID::kMuon][index] = 1. ;
- if(en > 0.5 && emc->GetMultiplicity() > 3){
+ if(en > fDispEnThreshold && emc->GetMultiplicity() > fDispMultThreshold){
sdp[AliPID::kPhoton][index] = GausF(en , dispersion, fDphoton) ;
sdp[AliPID::kElectron][index] = sdp[AliPID::kPhoton][index] ;
sdp[AliPID::kPion][index] = LandauF(en , dispersion, fDhadron ) ;
// cout<<">>>>hadron : x "<<x<<" xprob "<<chprobx<<" z "<<z<<" zprob "<<chprobz<<endl;
// cout<<">>>>electron : px*pz "<<pcpvelectron <<" hadron: px*pz "<<pcpvcharged<<endl;
- // Is neutral or charged
+ // Is neutral or charged?
if(pcpvelectron >= pcpvcharged)
pcpv = pcpvelectron ;
else
if(en > 30.){
// pi0 are detected via decay photon
- stof[AliPID::kPi0][index] = fTFphoton ->Eval(time) ;
+ stof[AliPID::kPi0][index] = stof[AliPID::kPhoton][index];
scpv[AliPID::kPi0][index] = pcpvneutral ;
- sdp [AliPID::kPi0][index] = 1. ;
- if(emc->GetMultiplicity() > 3)
- sdp [AliPID::kPi0][index] = GausPol2(en , dispersion, fDpi0) ;
+ if(emc->GetMultiplicity() > fDispMultThreshold)
+ sdp [AliPID::kPi0][index] = GausF(en , dispersion, fDpi0) ;
+ //sdp [AliPID::kPi0][index] = GausPol2(en , dispersion, fDpi0) ;
+// cout<<"E = "<<en<<" GeV; disp = "<<dispersion<<"; mult = "
+// <<emc->GetMultiplicity()<<endl;
+// cout<<"PDF: photon = "<<sdp [AliPID::kPhoton][index]<<"; pi0 = "
+// <<sdp [AliPID::kPi0][index]<<endl;
}
+
+
//############## muon #############################
if(en > 0.5){
// cout<<">>>>hadron : xprob "<<chprobx<<" zprob "<<chprobz<<endl;
// cout<<">>>>electron : px*pz "<<pcpvelectron <<" hadron: px*pz "<<pcpvcharged<<endl;
-// cout<<"Photon , pid "<< fInitPID[AliPID::kPhoton]<<" tof "<<stof[AliPID::kPhoton][index]
-// <<", cpv "<<scpv[AliPID::kPhoton][index]<<", ss "<<sdp[AliPID::kPhoton][index]<<endl;
+// cout<<"Photon , pid "<< fInitPID[AliPID::kPhoton]<<" tof "<<stof[AliPID::kPhoton][index]
+// <<", cpv "<<scpv[AliPID::kPhoton][index]<<", ss "<<sdp[AliPID::kPhoton][index]<<endl;
// cout<<"EleCon , pid "<< fInitPID[AliPID::kEleCon]<<", tof "<<stof[AliPID::kEleCon][index]
// <<", cpv "<<scpv[AliPID::kEleCon][index]<<" ss "<<sdp[AliPID::kEleCon][index]<<endl;
// cout<<"Electron , pid "<< fInitPID[AliPID::kElectron]<<", tof "<<stof[AliPID::kElectron][index]
// <<", cpv "<<scpv[AliPID::kElectron][index]<<" ss "<<sdp[AliPID::kElectron][index]<<endl;
// cout<<"Muon , pid "<< fInitPID[AliPID::kMuon]<<", tof "<<stof[AliPID::kMuon][index]
// <<", cpv "<<scpv[AliPID::kMuon][index]<<" ss "<<sdp[AliPID::kMuon][index]<<endl;
-// cout<<"Pi0 , pid "<< fInitPID[AliPID::kPi0]<<", tof "<<stof[AliPID::kPi0][index]
-// <<", cpv "<<scpv[AliPID::kPi0][index]<<" ss "<<sdp[AliPID::kPi0][index]<<endl;
+// cout<<"Pi0 , pid "<< fInitPID[AliPID::kPi0]<<", tof "<<stof[AliPID::kPi0][index]
+// <<", cpv "<<scpv[AliPID::kPi0][index]<<" ss "<<sdp[AliPID::kPi0][index]<<endl;
// cout<<"Pion , pid "<< fInitPID[AliPID::kPion]<<", tof "<<stof[AliPID::kPion][index]
// <<", cpv "<<scpv[AliPID::kPion][index]<<" ss "<<sdp[AliPID::kPion][index]<<endl;
// cout<<"Kaon0 , pid "<< fInitPID[AliPID::kKaon0]<<", tof "<<stof[AliPID::kKaon0][index]
// Info("MakePID", "Total Probability calculation");
for(index = 0 ; index < nparticles ; index ++) {
+
+ AliPHOSRecParticle * recpar = gime->RecParticle(index) ;
+
+ //Conversion electron?
+
+ if(recpar->IsEleCon()){
+ fInitPID[AliPID::kEleCon] = 1. ;
+ fInitPID[AliPID::kPhoton] = 0. ;
+ fInitPID[AliPID::kElectron] = 0. ;
+ }
+ else{
+ fInitPID[AliPID::kEleCon] = 0. ;
+ fInitPID[AliPID::kPhoton] = 1. ;
+ fInitPID[AliPID::kElectron] = 1. ;
+ }
+ // fInitPID[AliPID::kEleCon] = 0. ;
+
+
// calculates the Bayesian weight
Int_t jndex ;
Double_t wn = 0.0 ;
for (jndex = 0 ; jndex < kSPECIES ; jndex++)
- wn += stof[jndex][index] * sdp[jndex][index] * scpv[jndex][index] * sw[jndex][index] * fInitPID[jndex] ;
-
+ wn += stof[jndex][index] * sdp[jndex][index] * scpv[jndex][index] *
+ sw[jndex][index] * fInitPID[jndex] ;
+
// cout<<"*************wn "<<wn<<endl;
- AliPHOSRecParticle * recpar = gime->RecParticle(index) ;
if (TMath::Abs(wn)>0)
for (jndex = 0 ; jndex < kSPECIES ; jndex++) {
-
-// if(recpar->IsEleCon()){
-// fInitPID[AliPID::kEleCon] = 1. ;
-// fInitPID[AliPID::kPhoton] = 0. ;
-// }
-// else{
-// fInitPID[AliPID::kEleCon] = 0. ;
-// fInitPID[AliPID::kPhoton] = 1. ;
-// }
- fInitPID[AliPID::kEleCon] = 0. ;
//cout<<"jndex "<<jndex<<" wn "<<wn<<" SetPID * wn"
//<<stof[jndex][index] * sdp[jndex][index] * pid[jndex] << endl;
//cout<<" tof "<<stof[jndex][index] << " disp " <<sdp[jndex][index] << " pid "<< fInitPID[jndex] << endl;
-// cout<<"Particle "<<jndex<<" final prob * wn "
-// <<stof[jndex][index] * sdp[jndex][index] * scpv[jndex][index] * fInitPID[jndex] <<" wn "<< wn<<endl;
- recpar->SetPID(jndex, stof[jndex][index] * sdp[jndex][index] * sw[jndex][index] *
- scpv[jndex][index] * fInitPID[jndex] / wn) ;
-// cout<<"final prob "<<stof[jndex][index] * sdp[jndex][index] * scpv[jndex][index] * fInitPID[jndex] / wn<<endl;
- //recpar->SetPID(jndex, stof[jndex][index] * fInitPID[jndex] / wn) ;
- //cout<<"After SetPID"<<endl;
- //recpar->Print();
+ // if(jndex == AliPID::kPi0 || jndex == AliPID::kPhoton){
+ // cout<<"Particle "<<jndex<<" final prob * wn "
+ // <<stof[jndex][index] * sdp[jndex][index] * scpv[jndex][index] *
+ // fInitPID[jndex] <<" wn "<< wn<<endl;
+ // cout<<"pid "<< fInitPID[jndex]<<", tof "<<stof[jndex][index]
+ // <<", cpv "<<scpv[jndex][index]<<" ss "<<sdp[jndex][index]<<endl;
+ // }
+ recpar->SetPID(jndex, stof[jndex][index] * sdp[jndex][index] *
+ sw[jndex][index] * scpv[jndex][index] *
+ fInitPID[jndex] / wn) ;
}
}
// Info("MakePID", "Delete");
- for (Int_t i =0; i< kSPECIES; i++){
- delete [] stof[i];
- delete [] sdp [i];
- delete [] scpv[i];
- delete [] sw [i];
- }
+ for (Int_t i =0; i< kSPECIES; i++){
+ delete [] stof[i];
+ delete [] sdp [i];
+ delete [] scpv[i];
+ delete [] sw [i];
+ }
// Info("MakePID","End MakePID");
}
}
//____________________________________________________________________________
-void AliPHOSPIDv1::Print() const
+void AliPHOSPIDv1::Print(const Option_t *) const
{
// Print the parameters used for the particle type identification
// lines 14-15: parameters to calculate border for high-pt photons and pi0
fFileNameParameters = gSystem->ExpandPathName("$ALICE_ROOT/PHOS/Parameters.dat");
- fParameters = new TMatrix(16,4) ;
+ fParameters = new TMatrixF(16,4) ;
const Int_t kMaxLeng=255;
char string[kMaxLeng];