-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
+// **************************************************************************
+// * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+// * *
+// * Author: The ALICE Off-line Project. *
+// * Contributors are mentioned in the code where appropriate. *
+// * *
+// * Permission to use, copy, modify and distribute this software and its *
+// * documentation strictly for non-commercial purposes is hereby granted *
+// * without fee, provided that the above copyright notice appears in all *
+// * copies and that both the copyright notice and this permission notice *
+// * appear in the supporting documentation. The authors make no claims *
+// * about the suitability of this software for any purpose. It is *
+// * provided "as is" without express or implied warranty. *
+// **************************************************************************
-/*
- $Log$
- Revision 1.9 2000/12/18 17:44:40 jbarbosa
- Took two lines out of output.
-
- Revision 1.8 2000/11/01 15:39:00 jbarbosa
- Updated default geometry.
-
- Revision 1.7 2000/10/03 21:44:09 morsch
- Use AliSegmentation and AliHit abstract base classes.
-
- Revision 1.6 2000/07/10 15:28:39 fca
- Correction of the inheritance scheme
-
- Revision 1.5 2000/06/30 16:38:51 dibari
- Removed setters.
-
- Revision 1.4 2000/06/13 13:13:40 jbarbosa
- Correcting previous correction...
-
- Revision 1.3 2000/06/13 13:06:38 jbarbosa
- Fixed compiling error for HP (multiple declaration)
-
- Revision 1.2 2000/06/12 15:36:16 jbarbosa
- Cleaned up version.
-
- Revision 1.1 2000/06/09 15:00:31 jbarbosa
- New full version. All parameters configurable.
-
- Revision 1.9 2000/05/31 08:19:38 jbarbosa
- Fixed bug in StepManager
-
- Revision 1.8 2000/05/26 17:30:08 jbarbosa
- Cerenkov angle now stored within cerenkov data structure.
-
- Revision 1.7 2000/05/18 10:31:36 jbarbosa
- Fixed positioning of spacers inside freon.
- Fixed positioning of proximity gap
- inside methane.
- Fixed cut on neutral particles in the StepManager.
-
- Revision 1.6 2000/04/28 11:51:58 morsch
- Dimensions of arrays hits and Ckov_data corrected.
-
- Revision 1.5 2000/04/19 13:28:46 morsch
- Major changes in geometry (parametrised), materials (updated) and
- step manager (diagnostics) (JB, AM)
-
-*/
-
-
-
-//////////////////////////////////////////////////////////
-// Manager and hits classes for set: RICH full version //
-//////////////////////////////////////////////////////////
-
-#include <TTUBE.h>
-#include <TNode.h>
-#include <TRandom.h>
-#include <TParticle.h>
#include "AliRICHv1.h"
-#include "AliRICHHit.h"
-#include "AliSegmentation.h"
-#include "AliRICHResponse.h"
-#include "AliRICHSegmentationV0.h"
-#include "AliRICHResponseV0.h"
-#include "AliRICHGeometry.h"
-#include "AliRun.h"
-#include "AliMC.h"
-#include "iostream.h"
-#include "AliCallf77.h"
-#include "AliConst.h"
-#include "AliPDG.h"
-
-ClassImp(AliRICHv1)
-
-//___________________________________________
-AliRICHv1::AliRICHv1()
-{
-
-// Default constructor fo AliRICHvv1 (full version)
+#include "AliRICHParam.h"
+#include "AliRICHChamber.h"
+#include <TParticle.h>
+#include <TRandom.h>
+#include <TVirtualMC.h>
+#include <TPDGCode.h>
- //fChambers = 0;
-}
+#include <AliConst.h>
+#include <AliPDG.h>
+#include <AliRun.h>
+#include <AliMC.h>
-//___________________________________________
-AliRICHv1::AliRICHv1(const char *name, const char *title)
- : AliRICH(name,title)
+ClassImp(AliRICHv1)
+//__________________________________________________________________________________________________
+void AliRICHv1::StepManager()
{
-
-// Full version of RICH with hits and diagnostics
-
- // Version 0
-// Default Segmentation, no hits
- AliRICHSegmentationV0* segmentationV0 = new AliRICHSegmentationV0;
-//
-// Segmentation parameters
- segmentationV0->SetPadSize(0.84,0.80);
- segmentationV0->SetDAnod(0.84/2);
-//
-// Geometry parameters
- AliRICHGeometry* geometry = new AliRICHGeometry;
- geometry->SetGapThickness(8);
- geometry->SetProximityGapThickness(.4);
- geometry->SetQuartzLength(133);
- geometry->SetQuartzWidth(127.9);
- geometry->SetQuartzThickness(.5);
- geometry->SetOuterFreonLength(133);
- geometry->SetOuterFreonWidth(41.3);
- geometry->SetInnerFreonLength(133);
- geometry->SetInnerFreonWidth(41.3);
- geometry->SetFreonThickness(1.5);
-//
-// Response parameters
- AliRICHResponseV0* responseV0 = new AliRICHResponseV0;
- responseV0->SetSigmaIntegration(5.);
- responseV0->SetChargeSlope(27.);
- responseV0->SetChargeSpread(0.18, 0.18);
- responseV0->SetMaxAdc(4096);
- responseV0->SetAlphaFeedback(0.036);
- responseV0->SetEIonisation(26.e-9);
- responseV0->SetSqrtKx3(0.77459667);
- responseV0->SetKx2(0.962);
- responseV0->SetKx4(0.379);
- responseV0->SetSqrtKy3(0.77459667);
- responseV0->SetKy2(0.962);
- responseV0->SetKy4(0.379);
- responseV0->SetPitch(0.25);
-//
-//
-// AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
-
- fCkovNumber=0;
- fFreonProd=0;
- Int_t i=0;
-
- fChambers = new TObjArray(kNCH);
- for (i=0; i<kNCH; i++) {
-
- (*fChambers)[i] = new AliRICHChamber();
-
- }
+//Full Step Manager
+
+ Int_t copy;
+ static Int_t iCurrentChamber;
+
+//Treat photons
+ static TLorentzVector cerX4;
+ if((gMC->TrackPid()==kCerenkov||gMC->TrackPid()==kFeedback)&&gMC->CurrentVolID(copy)==gMC->VolId("CSI ")){//photon in CSI
+ if(gMC->Edep()>0.){//CF+CSI+DE
+ if(IsLostByFresnel()){ gMC->StopTrack(); return;}
+ gMC->TrackPosition(cerX4); gMC->CurrentVolOffID(2,iCurrentChamber);
+
+ AddHit(iCurrentChamber,gAlice->GetMCApp()->GetCurrentTrackNumber(),cerX4.Vect(),cerX4.Vect());//HIT for PHOTON in conditions CF+CSI+DE
+ GenerateFeedbacks(iCurrentChamber);
+ }//CF+CSI+DE
+ }//CF in CSI
- for (i=0; i<kNCH; i++) {
- SetGeometryModel(i,geometry);
- SetSegmentationModel(i, segmentationV0);
- SetResponseModel(i, responseV0);
- SetNsec(i,1);
- SetDebugLevel(0);
- }
-
-
-}
-
-void AliRICHv1::Init()
+//Treat charged particles
+ static Float_t eloss;
+ static TLorentzVector mipInX4,mipOutX4;
+ if(gMC->TrackCharge() && gMC->CurrentVolID(copy)==gMC->VolId("GAP ")){//MIP in GAP
+ gMC->CurrentVolOffID(3,iCurrentChamber);
+ if(gMC->IsTrackEntering()||gMC->IsNewTrack()) {//MIP in GAP entering or newly created
+ eloss=0;
+ gMC->TrackPosition(mipInX4);
+ }else if(gMC->IsTrackExiting()||gMC->IsTrackStop()||gMC->IsTrackDisappeared()){//MIP in GAP exiting or disappeared
+ eloss+=gMC->Edep();//take into account last step dEdX
+ gMC->TrackPosition(mipOutX4);
+ AddHit(iCurrentChamber,gAlice->GetMCApp()->GetCurrentTrackNumber(),mipInX4.Vect(),mipOutX4.Vect(),eloss);//HIT for MIP: MIP in GAP Exiting
+ GenerateFeedbacks(iCurrentChamber,eloss);//MIP+GAP+Exit
+ }else//MIP in GAP going inside
+ eloss += gMC->Edep();
+ }//MIP in GAP
+}//StepManager()
+//__________________________________________________________________________________________________
+Bool_t AliRICHv1::IsLostByFresnel()
{
-
- printf("*********************************** RICH_INIT ***********************************\n");
- printf("* *\n");
- printf("* AliRICHv1 Full version started *\n");
- printf("* *\n");
-
-
- AliSegmentation* segmentation;
- AliRICHGeometry* geometry;
- AliRICHResponse* response;
-
-
- //
- // Initialize Tracking Chambers
- //
- for (Int_t i=1; i<kNCH; i++) {
- //printf ("i:%d",i);
- ( (AliRICHChamber*) (*fChambers)[i])->Init(i);
- }
-
- //
- // Set the chamber (sensitive region) GEANT identifier
-
- ((AliRICHChamber*)(*fChambers)[0])->SetGid(1);
- ((AliRICHChamber*)(*fChambers)[1])->SetGid(2);
- ((AliRICHChamber*)(*fChambers)[2])->SetGid(3);
- ((AliRICHChamber*)(*fChambers)[3])->SetGid(4);
- ((AliRICHChamber*)(*fChambers)[4])->SetGid(5);
- ((AliRICHChamber*)(*fChambers)[5])->SetGid(6);
- ((AliRICHChamber*)(*fChambers)[6])->SetGid(7);
-
- Float_t pos1[3]={0,471.8999,165.2599};
- Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90));
-
- Float_t pos2[3]={171,470,0};
- Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90,-20,90,70,0,0));
-
- Float_t pos3[3]={0,500,0};
- Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90,0,90,90,0,0));
-
- Float_t pos4[3]={-171,470,0};
- Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2], new TRotMatrix("rot996","rot996",90,20,90,110,0,0));
-
- Float_t pos5[3]={161.3999,443.3999,-165.3};
- Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70));
-
- Float_t pos6[3]={0., 471.9, -165.3,};
- Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90));
-
- Float_t pos7[3]={-161.399,443.3999,-165.3};
- Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110));
-
- segmentation=Chamber(0).GetSegmentationModel(0);
- geometry=Chamber(0).GetGeometryModel();
- response=Chamber(0).GetResponseModel();
-
-
- printf("* Pads : %3dx%3d *\n",segmentation->Npx(),segmentation->Npy());
- printf("* Pad size : %5.2f x%5.2f mm2 *\n",segmentation->Dpx(),segmentation->Dpy());
- printf("* Gap Thickness : %5.1f cm *\n",geometry->GetGapThickness());
- printf("* Radiator Width : %5.1f cm *\n",geometry->GetQuartzWidth());
- printf("* Radiator Length : %5.1f cm *\n",geometry->GetQuartzLength());
- printf("* Freon Thickness : %5.1f cm *\n",geometry->GetFreonThickness());
- printf("* Charge Slope : %5.1f ADC *\n",response->ChargeSlope());
- printf("* Feedback Prob. : %5.2f %% *\n",response->AlphaFeedback()*100);
- printf("* Debug Level : %3d *\n",GetDebugLevel());
- printf("* *\n");
- printf("*********************************************************************************\n");
-
-}
-
-
-
-
-
-
-
-
+ TLorentzVector p4;
+ Double_t mom[3],localMom[3];
+ gMC->TrackMomentum(p4); mom[0]=p4(1); mom[1]=p4(2); mom[2]=p4(3);
+ localMom[0]=0; localMom[1]=0; localMom[2]=0;
+ gMC->Gmtod(mom,localMom,2);
+ Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
+ Double_t localTheta = TMath::ATan2(TMath::Sqrt(localTc),localMom[1]);
+ Double_t cotheta = TMath::Abs(TMath::Cos(localTheta));
+ if(gMC->GetRandom()->Rndm() < Fresnel(p4.E()*1e9,cotheta,1)){
+ if(GetDebug()) Info("IsLostByFresnel","");
+ return kTRUE;
+ }else
+ return kFALSE;
+}//IsLostByFresnel()
+//__________________________________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff