#include <TVirtualMC.h>
#include "AliConst.h"
+#include "AliLog.h"
+#include "AliMC.h"
#include "AliRun.h"
#include "AliTRDgeometry.h"
#include "AliTRDhit.h"
#include "AliTRDsim.h"
#include "AliTRDv1.h"
-#include "AliMC.h"
ClassImp(AliTRDv1)
fDeltaE = NULL;
fDeltaG = NULL;
fTR = NULL;
+ fTRon = kFALSE;
fStepSize = 0.1;
- fTypeOfStepManager = 2;
+ fTypeOfStepManager = 1;
}
fDeltaE = NULL;
fDeltaG = NULL;
fTR = NULL;
+ fTRon = kTRUE;
fStepSize = 0.1;
- fTypeOfStepManager = 2;
+ fTypeOfStepManager = 1;
SetBufferSize(128000);
//_____________________________________________________________________________
void AliTRDv1::Copy(TObject &trd) const
{
+ printf("void AliTRDv1::Copy(TObject &trd) const\n");
//
// Copy function
//
((AliTRDv1 &) trd).fTypeOfStepManager = fTypeOfStepManager;
((AliTRDv1 &) trd).fStepSize = fStepSize;
+ ((AliTRDv1 &) trd).fTRon = fTRon;
+
fDeltaE->Copy(*((AliTRDv1 &) trd).fDeltaE);
fDeltaG->Copy(*((AliTRDv1 &) trd).fDeltaG);
fTR->Copy(*((AliTRDv1 &) trd).fTR);
const Int_t kPdgElectron = 11;
// Ionization energy
- const Float_t kWion = 22.04;
+ const Float_t kWion = 23.53;
// Maximum number of TR photons per track
const Int_t kNTR = 50;
Float_t pTot = mom.Rho();
fTR->CreatePhotons(iPdg,pTot,nTR,eTR);
if (nTR > kNTR) {
- printf("AliTRDv1::CreateTRhit -- ");
- printf("Boundary error: nTR = %d, kNTR = %d\n",nTR,kNTR);
- exit(1);
+ AliFatal(Form("Boundary error: nTR = %d, kNTR = %d",nTR,kNTR));
}
// Loop through the TR photons
}
// The absorbtion cross sections in the drift gas
- if (fGasMix == 1) {
- // Gas-mixture (Xe/CO2)
- Double_t muXe = fTR->GetMuXe(energyMeV);
- Double_t muCO = fTR->GetMuCO(energyMeV);
- sigma = (0.85 * muXe + 0.15 * muCO) * fGasDensity * fTR->GetTemp();
- }
- else {
- // Gas-mixture (Xe/Isobutane)
- Double_t muXe = fTR->GetMuXe(energyMeV);
- Double_t muBu = fTR->GetMuBu(energyMeV);
- sigma = (0.97 * muXe + 0.03 * muBu) * fGasDensity * fTR->GetTemp();
- }
+ // Gas-mixture (Xe/CO2)
+ Double_t muXe = fTR->GetMuXe(energyMeV);
+ Double_t muCO = fTR->GetMuCO(energyMeV);
+ sigma = (0.85 * muXe + 0.15 * muCO) * fGasDensity * fTR->GetTemp();
// The distance after which the energy of the TR photon
// is deposited.
gMC->TrackPosition(pos);
posHit[0] = pos[0] + mom[0] / pTot * absLength;
posHit[1] = pos[1] + mom[1] / pTot * absLength;
- posHit[2] = pos[2] + mom[2] / pTot * absLength;
+ posHit[2] = pos[2] + mom[2] / pTot * absLength;
// Create the charge
Int_t q = ((Int_t) (energyeV / kWion));
// Add the hit to the array. TR photon hits are marked
// by negative charge
- AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),det,posHit,-q,kTRUE);
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),det,posHit,-q,kTRUE);
}
AliTRD::Init();
- if(fDebug) printf("%s: Slow simulator\n",ClassName());
+ AliDebug(1,"Slow simulator\n");
if (fSensSelect) {
if (fSensPlane >= 0)
- printf(" Only plane %d is sensitive\n",fSensPlane);
+ AliInfo(Form("Only plane %d is sensitive"));
if (fSensChamber >= 0)
- printf(" Only chamber %d is sensitive\n",fSensChamber);
+ AliInfo(Form("Only chamber %d is sensitive",fSensChamber));
if (fSensSector >= 0) {
Int_t sens1 = fSensSector;
Int_t sens2 = fSensSector + fSensSectorRange;
sens2 -= ((Int_t) (sens2 / AliTRDgeometry::Nsect()))
* AliTRDgeometry::Nsect();
- printf(" Only sectors %d - %d are sensitive\n",sens1,sens2-1);
+ AliInfo(Form("Only sectors %d - %d are sensitive\n",sens1,sens2-1));
}
}
- if (fTR)
- printf("%s: TR simulation on\n",ClassName());
- else
- printf("%s: TR simulation off\n",ClassName());
- printf("\n");
+
+ // Switch on TR simulation as default
+ if (!fTRon) {
+ AliInfo("TR simulation off");
+ }
+ else {
+ fTR = new AliTRDsim();
+ }
// First ionization potential (eV) for the gas mixture (90% Xe + 10% CO2)
const Float_t kPoti = 12.1;
Float_t eEnd = TMath::Log(kEend);
// Ermilova distribution for the delta-ray spectrum
- fDeltaE = new TF1("deltae" ,Ermilova ,poti,eEnd,0);
+ fDeltaE = new TF1("deltae" ,Ermilova ,poti,eEnd,0);
// Geant3 distribution for the delta-ray spectrum
- fDeltaG = new TF1("deltaeg",IntSpecGeant,poti,eEnd,0);
-
- if(fDebug) {
- printf("%s: ",ClassName());
- for (Int_t i = 0; i < 80; i++) printf("*");
- printf("\n");
- }
+ fDeltaG = new TF1("deltag",IntSpecGeant,2.421257,28.536469,0);
-}
-
-//_____________________________________________________________________________
-AliTRDsim *AliTRDv1::CreateTR()
-{
- //
- // Enables the simulation of TR
- //
-
- fTR = new AliTRDsim();
- return fTR;
+ AliDebug(1,"+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
}
//
if ((iplane < 0) || (iplane > 5)) {
- printf("Wrong input value: %d\n",iplane);
- printf("Use standard setting\n");
+ AliWarning(Form("Wrong input value:%d",iplane));
+ AliWarning("Use standard setting");
fSensPlane = -1;
fSensSelect = 0;
return;
//
if ((ichamber < 0) || (ichamber > 4)) {
- printf("Wrong input value: %d\n",ichamber);
- printf("Use standard setting\n");
+ AliWarning(Form("Wrong input value: %d",ichamber));
+ AliWarning("Use standard setting");
fSensChamber = -1;
fSensSelect = 0;
return;
//
if ((isector < 0) || (isector > 17)) {
- printf("Wrong input value <isector>: %d\n",isector);
- printf("Use standard setting\n");
+ AliWarning(Form("Wrong input value <isector>: %d",isector));
+ AliWarning("Use standard setting");
fSensSector = -1;
fSensSectorRange = 0;
fSensSelect = 0;
}
if ((nsector < 1) || (nsector > 18)) {
- printf("Wrong input value <nsector>: %d\n",nsector);
- printf("Use standard setting\n");
+ AliWarning(Form("Wrong input value <nsector>: %d",nsector));
+ AliWarning("Use standard setting");
fSensSector = -1;
fSensSectorRange = 0;
fSensSelect = 0;
void AliTRDv1::StepManager()
{
//
- // Slow simulator. Every charged track produces electron cluster as hits
+ // Slow simulator. Every charged track produces electron cluster as hits
// along its path across the drift volume.
//
case 0 : StepManagerErmilova(); break; // 0 is Ermilova
case 1 : StepManagerGeant(); break; // 1 is Geant
case 2 : StepManagerFixedStep(); break; // 2 is fixed step
- default : printf("<AliTRDv1::StepManager>: Not a valid Step Manager.\n");
+ default : AliWarning("Not a valid Step Manager.");
}
}
// 2 - Fixed step size
//
- if (t == 1) {
- printf("<AliTRDv1::SelectStepManager>: Sorry, Geant parametrization step"
- "manager is not implemented yet. Please ask K.Oyama for detail.\n");
+/* if (t == 1) {
+ AliWarning("Sorry, Geant parametrization step manager is not implemented yet. Please ask K.Oyama for detail.");
}
-
+*/
fTypeOfStepManager = t;
- printf("<AliTRDv1::SelectStepManager>: Step Manager type %d was selected.\n"
- , fTypeOfStepManager);
+ AliInfo(Form("Step Manager type %d was selected",fTypeOfStepManager));
}
void AliTRDv1::StepManagerGeant()
{
//
- // Slow simulator. Every charged track produces electron cluster as hits
+ // Slow simulator. Every charged track produces electron cluster as hits
// along its path across the drift volume. The step size is set acording
// to Bethe-Bloch. The energy distribution of the delta electrons follows
// a spectrum taken from Geant3.
//
+ Int_t pla = 0;
+ Int_t cha = 0;
+ Int_t sec = 0;
+ Int_t det = 0;
+ Int_t iPdg;
+ Int_t qTot;
+
+ Float_t hits[3];
+ Float_t charge;
+ Float_t aMass;
+
+ Double_t pTot = 0;
+ Double_t eDelta;
+ Double_t betaGamma, pp;
+ Double_t stepSize=0;
+
+ Bool_t drRegion = kFALSE;
+ Bool_t amRegion = kFALSE;
+
+ TString cIdCurrent;
+ TString cIdSensDr = "J";
+ TString cIdSensAm = "K";
+ Char_t cIdChamber[3];
+ cIdChamber[2] = 0;
+
+ TLorentzVector pos, mom;
+
+ const Int_t kNplan = AliTRDgeometry::Nplan();
+ const Int_t kNcham = AliTRDgeometry::Ncham();
+ const Int_t kNdetsec = kNplan * kNcham;
+
+ const Double_t kBig = 1.0E+12; // Infinitely big
+ const Float_t kWion = 23.53; // Ionization energy
+ const Float_t kPTotMaxEl = 0.002; // Maximum momentum for e+ e- g
+
+ // Minimum energy for the step size adjustment
+ const Float_t kEkinMinStep = 1.0e-5;
+ // energy threshold for production of delta electrons
+ const Float_t kECut = 1.0e4;
+ // Parameters entering the parametrized range for delta electrons
+ const float ra=5.37E-4, rb=0.9815, rc=3.123E-3;
+ // Gas density -> To be made user adjustable !
+ const float rho=0.004945 ; //[0.85*0.00549+0.15*0.00186 (Xe-CO2 85-15)]
+
+ // Plateau value of the energy-loss for electron in xenon
+ // taken from: Allison + Comb, Ann. Rev. Nucl. Sci. (1980), 30, 253
+ //const Double_t kPlateau = 1.70;
+ // the averaged value (26/3/99)
+ const Float_t kPlateau = 1.55;
+
+ const Float_t kPrim = 19.34; // dN1/dx|min for the gas mixture (90% Xe + 10% CO2)
+ // First ionization potential (eV) for the gas mixture (90% Xe + 10% CO2)
+ const Float_t kPoti = 12.1;
+
+ const Int_t kPdgElectron = 11; // PDG code electron
+
+ // Set the maximum step size to a very large number for all
+ // neutral particles and those outside the driftvolume
+ gMC->SetMaxStep(kBig);
+
+ // Use only charged tracks
+ if (( gMC->TrackCharge() ) &&
+ (!gMC->IsTrackStop() ) &&
+ (!gMC->IsTrackDisappeared())) {
+
+ // Inside a sensitive volume?
+ drRegion = kFALSE;
+ amRegion = kFALSE;
+ cIdCurrent = gMC->CurrentVolName();
+ if (cIdSensDr == cIdCurrent[1]) {
+ drRegion = kTRUE;
+ }
+ if (cIdSensAm == cIdCurrent[1]) {
+ amRegion = kTRUE;
+ }
+ if (drRegion || amRegion) {
+
+ // The hit coordinates and charge
+ gMC->TrackPosition(pos);
+ hits[0] = pos[0];
+ hits[1] = pos[1];
+ hits[2] = pos[2];
+
+ // The sector number (0 - 17)
+ // The numbering goes clockwise and starts at y = 0
+ Float_t phi = kRaddeg*TMath::ATan2(pos[0],pos[1]);
+ if (phi < 90.)
+ phi = phi + 270.;
+ else
+ phi = phi - 90.;
+ sec = ((Int_t) (phi / 20));
+
+ // The plane and chamber number
+ cIdChamber[0] = cIdCurrent[2];
+ cIdChamber[1] = cIdCurrent[3];
+ Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
+ cha = kNcham - ((Int_t) idChamber / kNplan) - 1;
+ pla = ((Int_t) idChamber % kNplan);
+
+ // Check on selected volumes
+ Int_t addthishit = 1;
+ if (fSensSelect) {
+ if ((fSensPlane >= 0) && (pla != fSensPlane )) addthishit = 0;
+ if ((fSensChamber >= 0) && (cha != fSensChamber)) addthishit = 0;
+ if (fSensSector >= 0) {
+ Int_t sens1 = fSensSector;
+ Int_t sens2 = fSensSector + fSensSectorRange;
+ sens2 -= ((Int_t) (sens2 / AliTRDgeometry::Nsect()))
+ * AliTRDgeometry::Nsect();
+ if (sens1 < sens2) {
+ if ((sec < sens1) || (sec >= sens2)) addthishit = 0;
+ }
+ else {
+ if ((sec < sens1) && (sec >= sens2)) addthishit = 0;
+ }
+ }
+ }
- printf("AliTRDv1::StepManagerGeant: Not implemented yet.\n");
+ // Add this hit
+ if (addthishit) {
+
+ // The detector number
+ det = fGeometry->GetDetector(pla,cha,sec);
+ // Special hits only in the drift region
+ if (drRegion) {
+ // Create a track reference at the entrance and
+ // exit of each chamber that contain the
+ // momentum components of the particle
+ if (gMC->IsTrackEntering() || gMC->IsTrackExiting()) {
+ gMC->TrackMomentum(mom);
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ }
+
+ if (gMC->IsTrackEntering() && !gMC->IsNewTrack()) {
+ // determine if hit belong to primary track
+ fPrimaryTrackPid=gAlice->GetMCApp()->GetCurrentTrackNumber();
+ //determine track length when entering the detector
+ fTrackLength0=gMC->TrackLength();
+ }
+
+ // Create the hits from TR photons
+ if (fTR) CreateTRhit(det);
+ }
+
+ // Calculate the energy of the delta-electrons
+ // modified by Alex Bercuci (A.Bercuci@gsi.de) on 26.01.06
+ // take into account correlation with the underlying GEANT tracking
+ // mechanism. see
+ // http://www-linux.gsi.de/~abercuci/Contributions/TRD/index.html
+
+ // determine the most significant process (last on the processes list)
+ // which caused this hit
+ TArrayI processes;
+ gMC->StepProcesses(processes);
+ int nofprocesses=processes.GetSize(), pid;
+ if(!nofprocesses) pid=0;
+ else pid= processes[nofprocesses-1];
+
+ // generate Edep according to GEANT parametrisation
+ eDelta =TMath::Exp(fDeltaG->GetRandom()) - kPoti;
+ eDelta=TMath::Max(eDelta,0.0);
+ float pr_range=0.;
+ float range=gMC->TrackLength()-fTrackLength0;
+ // merge GEANT tracker information with localy cooked one
+ if(gAlice->GetMCApp()->GetCurrentTrackNumber()==fPrimaryTrackPid) {
+// printf("primary pid=%d eDelta=%f\n",pid,eDelta);
+ if(pid==27){
+ if(eDelta>=kECut){
+ pr_range=ra*eDelta*.001*(1.-rb/(1.+rc*eDelta*0.001))/rho;
+ if(pr_range>=(3.7-range)) eDelta*=.1;
+ }
+ } else if(pid==1){
+ if(eDelta<kECut) eDelta*=.5;
+ else {
+ pr_range=ra*eDelta*.001*(1.-rb/(1.+rc*eDelta*0.001))/rho;
+ if(pr_range>=((AliTRDgeometry::DrThick()
+ + AliTRDgeometry::AmThick())-range)) eDelta*=.05;
+ else eDelta*=.5;
+ }
+ } else eDelta=0.;
+ } else eDelta=0.;
+
+ // Generate the electron cluster size
+ if(eDelta==0.) qTot=0;
+ else qTot = ((Int_t) (eDelta / kWion) + 1);
+ // Create a new dEdx hit
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),det,hits,qTot, drRegion);
+
+ // Calculate the maximum step size for the next tracking step
+ // Produce only one hit if Ekin is below cutoff
+ aMass = gMC->TrackMass();
+ if ((gMC->Etot() - aMass) > kEkinMinStep) {
+
+ // The energy loss according to Bethe Bloch
+ iPdg = TMath::Abs(gMC->TrackPid());
+ if ( (iPdg != kPdgElectron) ||
+ ((iPdg == kPdgElectron) && (pTot < kPTotMaxEl))) {
+ gMC->TrackMomentum(mom);
+ pTot = mom.Rho();
+ betaGamma = pTot / aMass;
+ pp = BetheBlochGeant(betaGamma);
+ // Take charge > 1 into account
+ charge = gMC->TrackCharge();
+ if (TMath::Abs(charge) > 1) pp = pp * charge*charge;
+ } else { // Electrons above 20 Mev/c are at the plateau
+ pp = kPrim * kPlateau;
+ }
+
+ Int_t nsteps = 0;
+ do {nsteps = gRandom->Poisson(pp);} while(!nsteps);
+ stepSize = 1./nsteps;
+ gMC->SetMaxStep(stepSize);
+ }
+ }
+ }
+ }
}
//_____________________________________________________________________________
Int_t qTot;
Float_t hits[3];
- Double_t random[1];
+ Double_t random[1];
Float_t charge;
Float_t aMass;
const Int_t kNdetsec = kNplan * kNcham;
const Double_t kBig = 1.0E+12; // Infinitely big
- const Float_t kWion = 22.04; // Ionization energy
+ const Float_t kWion = 23.53; // Ionization energy
const Float_t kPTotMaxEl = 0.002; // Maximum momentum for e+ e- g
+ // energy threshold for production of delta electrons
+ //const Float_t kECut = 1.0e4;
+ // Parameters entering the parametrized range for delta electrons
+ //const float ra=5.37E-4, rb=0.9815, rc=3.123E-3;
+ // Gas density -> To be made user adjustable !
+ //const float rho=0.004945 ; //[0.85*0.00549+0.15*0.00186 (Xe-CO2 85-15)]
+
// Minimum energy for the step size adjustment
const Float_t kEkinMinStep = 1.0e-5;
cIdChamber[0] = cIdCurrent[2];
cIdChamber[1] = cIdCurrent[3];
Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
- cha = ((Int_t) idChamber / kNplan);
+ cha = kNcham - ((Int_t) idChamber / kNplan) - 1;
pla = ((Int_t) idChamber % kNplan);
// Check on selected volumes
* AliTRDgeometry::Nsect();
if (sens1 < sens2) {
if ((sec < sens1) || (sec >= sens2)) addthishit = 0;
- }
+ }
else {
if ((sec < sens1) && (sec >= sens2)) addthishit = 0;
- }
- }
+ }
+ }
}
// Add this hit
gMC->TrackMomentum(mom);
AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
}
-
// Create the hits from TR photons
if (fTR) CreateTRhit(det);
+ }
- }
// Calculate the energy of the delta-electrons
eDelta = TMath::Exp(fDeltaE->GetRandom()) - kPoti;
eDelta = TMath::Max(eDelta,0.0);
+ // Generate the electron cluster size
+ if(eDelta==0.) qTot=0;
+ else qTot = ((Int_t) (eDelta / kWion) + 1);
- // The number of secondary electrons created
- qTot = ((Int_t) (eDelta / kWion) + 1);
-
- // Create a new dEdx hit
+ // Create a new dEdx hit
if (drRegion) {
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber()
- ,det,hits,qTot,kTRUE);
- }
+ ,det,hits,qTot, kTRUE);
+ }
else {
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber()
- ,det,hits,qTot,kFALSE);
- }
+ ,det,hits,qTot,kFALSE);
+ }
// Calculate the maximum step size for the next tracking step
// Produce only one hit if Ekin is below cutoff
// The energy loss according to Bethe Bloch
iPdg = TMath::Abs(gMC->TrackPid());
if ( (iPdg != kPdgElectron) ||
- ((iPdg == kPdgElectron) && (pTot < kPTotMaxEl))) {
+ ((iPdg == kPdgElectron) && (pTot < kPTotMaxEl))) {
gMC->TrackMomentum(mom);
pTot = mom.Rho();
betaGamma = pTot / aMass;
// Take charge > 1 into account
charge = gMC->TrackCharge();
if (TMath::Abs(charge) > 1) pp = pp * charge*charge;
- }
- // Electrons above 20 Mev/c are at the plateau
- else {
- pp = kPrim * kPlateau;
+ } else { // Electrons above 20 Mev/c are at the plateau
+ pp = kPrim * kPlateau;
}
if (pp > 0) {
while ((random[0] == 1.) || (random[0] == 0.));
stepSize = - TMath::Log(random[0]) / pp;
gMC->SetMaxStep(stepSize);
- }
-
- }
-
+ }
+ }
}
-
}
-
}
-
}
//_____________________________________________________________________________
const Double_t kBig = 1.0E+12;
- const Float_t kWion = 22.04; // Ionization energy
+ const Float_t kWion = 23.53; // Ionization energy
const Float_t kEkinMinStep = 1.0e-5; // Minimum energy for the step size adjustment
// Set the maximum step size to a very large number for all
cIdChamber[0] = cIdCurrent[2];
cIdChamber[1] = cIdCurrent[3];
Int_t idChamber = (atoi(cIdChamber) % kNdetsec);
- cha = ((Int_t) idChamber / kNplan);
+ cha = kNcham - ((Int_t) idChamber / kNplan) - 1;
pla = ((Int_t) idChamber % kNplan);
// Check on selected volumes
// Create a new dEdx hit
eDep = TMath::Max(gMC->Edep(),0.0) * 1.0e+09;
qTot = (Int_t) (eDep / kWion);
- AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(),det,hits,qTot,drRegion);
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber()
+ ,det,hits,qTot,drRegion);
// Set Maximum Step Size
// Produce only one hit if Ekin is below cutoff
}
//_____________________________________________________________________________
-Double_t BetheBlochGeant(Double_t bg)
+Double_t AliTRDv1::BetheBlochGeant(Double_t bg)
{
//
// Return dN/dx (number of primary collisions per centimeter)
Double_t pp = ((arr_nc[i+1] - arr_nc[i]) /
(arr_g[i+1]-arr_g[i])) * (g-arr_g[i]) + arr_nc[i];
- return pp;
+ return pp; //arr_nc[8];
}
+//_____________________________________________________________________________
+void AliTRDv1::Stepping()
+{
+// Stepping info
+// ---
+
+ cout << "X(cm) "
+ << "Y(cm) "
+ << "Z(cm) "
+ << "KinE(MeV) "
+ << "dE(MeV) "
+ << "Step(cm) "
+ << "TrackL(cm) "
+ << "Volume "
+ << "Process "
+ << endl;
+
+ // Position
+ //
+ Double_t x, y, z;
+ gMC->TrackPosition(x, y, z);
+ cout << setw(8) << setprecision(3) << x << " "
+ << setw(8) << setprecision(3) << y << " "
+ << setw(8) << setprecision(3) << z << " ";
+
+ // Kinetic energy
+ //
+ Double_t px, py, pz, etot;
+ gMC->TrackMomentum(px, py, pz, etot);
+ Double_t ekin = etot - gMC->TrackMass();
+ cout << setw(9) << setprecision(4) << ekin*1e03 << " ";
+
+ // Energy deposit
+ //
+ cout << setw(9) << setprecision(4) << gMC->Edep()*1e03 << " ";
+
+ // Step length
+ //
+ cout << setw(8) << setprecision(3) << gMC->TrackStep() << " ";
+
+ // Track length
+ //
+ cout << setw(8) << setprecision(3) << gMC->TrackLength() << " ";
+
+ // Volume
+ //
+ if (gMC->CurrentVolName() != 0)
+ cout << setw(4) << gMC->CurrentVolName() << " ";
+ else
+ cout << setw(4) << "None" << " ";
+
+ // Process
+ //
+ TArrayI processes;
+ Int_t nofProcesses = gMC->StepProcesses(processes);
+ for(int ip=0;ip<nofProcesses; ip++)
+ cout << TMCProcessName[processes[ip]]<<" / ";
+
+ cout << endl;
+}
+
+
//_____________________________________________________________________________
Double_t Ermilova(Double_t *x, Double_t *)
{
// Integrated spectrum from Geant3
//
- const Int_t n_pts = 83;
- Double_t arr_e[n_pts] = {
+ const Int_t npts = 83;
+ Double_t arre[npts] = {
2.421257, 2.483278, 2.534301, 2.592230,
2.672067, 2.813299, 3.015059, 3.216819,
3.418579, 3.620338, 3.868209, 3.920198,
12.585884, 12.854123, 14.278421, 16.975889,
20.829416, 24.682943, 28.536469
};
- Double_t arr_dndx[n_pts] = {
+ /*
+ Double_t arrdndx[npts] = {
19.344431, 18.664679, 18.136106, 17.567745,
16.836426, 15.677382, 14.281277, 13.140237,
12.207677, 11.445510, 10.697049, 10.562296,
0.001142, 0.000873, 0.000210, 0.000014,
0.000000, 0.000000, 0.000000
};
+ */
+ // Differentiate
+ // dnde = (arrdndx[i-1] - arrdndx[i]) / (arre[i] - arre[i-1]);
+
+ Double_t arrdnde[npts] = {
+ 10.960000, 10.960000, 10.359500, 9.811340,
+ 9.1601500, 8.206670, 6.919630, 5.655430,
+ 4.6221300, 3.777610, 3.019560, 2.591950,
+ 2.5414600, 2.712920, 3.327460, 4.928240,
+ 7.6185300, 10.966700, 12.225800, 8.094750,
+ 3.3586900, 1.553650, 1.209600, 1.263840,
+ 1.3241100, 1.312140, 1.255130, 1.165770,
+ 1.0594500, 0.945450, 0.813231, 0.699837,
+ 0.6235580, 2.260990, 2.968350, 2.240320,
+ 1.7988300, 1.553300, 1.432070, 1.535520,
+ 1.4429900, 1.247990, 1.050750, 0.829549,
+ 0.5900280, 0.395897, 0.268741, 0.185320,
+ 0.1292120, 0.103545, 0.0949525, 0.101535,
+ 0.1276380, 0.134216, 0.123816, 0.104557,
+ 0.0751843, 0.0521745, 0.0373546, 0.0275391,
+ 0.0204713, 0.0169234, 0.0154552, 0.0139194,
+ 0.0125592, 0.0113638, 0.0107354, 0.0102137,
+ 0.00845984, 0.00683338, 0.00556836, 0.00456874,
+ 0.0036227, 0.00285991, 0.00226664, 0.00172234,
+ 0.00131226, 0.00100284, 0.000465492, 7.26607e-05,
+ 3.63304e-06, 0.0000000, 0.0000000
+ };
Int_t i;
Double_t energy = x[0];
- Double_t dnde;
- for( i = 0 ; i < n_pts ; i++ )
- if( energy < arr_e[i] ) break;
+ for( i = 0 ; i < npts ; i++ )
+ if( energy < arre[i] ) break;
if( i == 0 )
- printf("Error in AliTRDv1::IntSpecGeant: "
- "given energy value is too small or zero.\n");
+ AliErrorGeneral("AliTRDv1","Given energy value is too small or zero");
- // Interpolate
- dnde = (arr_dndx[i-1] - arr_dndx[i]) / (arr_e[i] - arr_e[i-1]);
-
- return dnde;
+ return arrdnde[i];
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff