-/**************************************************************************
- * 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. *
- **************************************************************************/
-
-
-#include <strings.h>
+// **************************************************************************
+// * 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. *
+// **************************************************************************
+#include "AliRICH.h"
+#include "AliRICHParam.h"
+#include "AliRICHChamber.h"
+#include "AliRICHClusterFinder.h"
#include <TArrayF.h>
+#include <TGeometry.h>
#include <TBRIK.h>
+#include <TTUBE.h>
#include <TFile.h>
-#include <TGeometry.h>
#include <TNode.h>
#include <TObjArray.h>
-#include <TObject.h>
#include <TParticle.h>
-#include <TPDGCode.h>
-#include <TRandom.h>
-#include <TTUBE.h>
-#include <TTree.h>
-#include <TVector.h>
-#include "AliMagF.h"
-#include "AliPoints.h"
-#include "AliRICH.h"
-#include "AliRICHParam.h"
-#include "AliRICHClusterFinder.h"
-#include "AliRICHDigitizer.h"
-#include "AliRICHHitMapA1.h"
-#include "AliRICHMerger.h"
-#include "AliRICHRawCluster.h"
-#include "AliRICHRecHit1D.h"
-#include "AliRICHRecHit3D.h"
-#include "AliRICHSDigit.h"
-#include "AliRICHSegmentationV0.h"
-#include "AliRICHTransientDigit.h"
-#include "AliRun.h"
-#include "AliRunDigitizer.h"
-#include "AliRICHSegmentationV1.h"
-#include "AliRICHResponseV0.h"
+#include <AliStack.h>
+#include <AliMagF.h>
+#include <AliRun.h>
+#include <AliRunDigitizer.h>
+#include <AliMC.h>
+#include <TVirtualMC.h>
ClassImp(AliRICHhit)
+//__________________________________________________________________________________________________
+void AliRICHhit::Print(Option_t*)const
+{
+ ::Info("hit","Ch=%1i, TID=%6i, eloss=%9.3f eV, in-out dist=%9.4f, OUT(%7.2f,%7.2f,%7.2f)"
+ ,fChamber,fTrack,fEloss*1e9,Length(),fOutX3.X(),fOutX3.Y(),fOutX3.Z());
+}
+//__________________________________________________________________________________________________
ClassImp(AliRICHdigit)
-ClassImp(AliRICH)
-
-//___________________________________________
+//__________________________________________________________________________________________________
+void AliRICHdigit::Print(Option_t*)const
+{
+ ::Info("digit","csxy=%6i, cfm=%9i, c=%2i, x=%3i, y=%3i, q=%8.3f, TID1=%5i, TID2=%5i, TID3=%5i",
+ Id(),fChFbMip,fChamber,fPadX,fPadY,fQdc,fTracks[0],fTracks[1],fTracks[2]);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICHcluster)
+//__________________________________________________________________________________________________
+void AliRICHcluster::Print(Option_t*)const
+{
+ ::Info("cluster","CombiPid=%10i, c=%2i, size=%6i, dim=%5i, x=%7.3f, y=%7.3f, Q=%6i, st=%i",
+ fCombiPid,fChamber,fSize,fDimXY,fX,fY,fQdc,fStatus);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICHreco)
+//__________________________________________________________________________________________________
+void AliRICHreco::Print(Option_t*)const
+{
+ ::Info("reco","ThetaCherenkov=%9.6f, Nphotons=%4i, TID=%9i",fThetaCherenkov,fNphotons,fTid);
+}
+//__________________________________________________________________________________________________
+ClassImp(AliRICH)
+//__________________________________________________________________________________________________
// RICH manager class
-//Begin_Html
+//BEGIN_HTML
/*
<img src="gif/alirich.gif">
*/
-//End_Html
-
+//END_HTML
+//__________________________________________________________________________________________________
AliRICH::AliRICH()
-{//Default ctor should not contain any new operators
- fIshunt = 0;
- fHits = 0;
- fSDigits = 0;
- fNsdigits = 0;
- fNcerenkovs = 0;
- fDchambers = 0;
- fRecHits1D = 0;
- fRecHits3D = 0;
- fRawClusters = 0;
- fChambers = 0;
- fCerenkovs = 0;
- for (Int_t i=0; i<kNCH; i++){
- fNdch[i] = 0;
- fNrawch[i] = 0;
- fNrechits1D[i] = 0;
- fNrechits3D[i] = 0;
- }
- fpParam=0;
+ :AliDetector()
+{
+//Default ctor should not contain any new operators
+ fpParam =0;
+ fChambers =0;
+//AliDetector ctor deals with Hits and Digits
+ fSdigits =0; fNsdigits =0;
+ fDigitsNew =0; for(int i=0;i<kNCH;i++) fNdigitsNew[i] =0;
+ fClusters =0; for(int i=0;i<kNCH;i++) fNclusters[i]=0;
+ fRecos =0; fNrecos =0;
}//AliRICH::AliRICH()
//__________________________________________________________________________________________________
AliRICH::AliRICH(const char *name, const char *title)
:AliDetector(name,title)
-{//Named ctor
+{
+//Named ctor
if(GetDebug())Info("named ctor","Start.");
- fpParam =new AliRICHParam;
- fNcerenkovs =fNsdigits =0;//fNhits and fNdigits reset in AliDetector ctor
- fHits =new TClonesArray("AliRICHhit",1000 ); gAlice->AddHitList(fHits);//hits
- fCerenkovs =new TClonesArray("AliRICHCerenkov",1000);gAlice->AddHitList(fCerenkovs);//cerenkovs ??? to be removed
- fSDigits =new TClonesArray("AliRICHdigit",100000);//sdigits
- fDigits =new TClonesArray("AliRICHdigit",100000);//digits
-
- fIshunt =0;
- fDchambers =new TObjArray(kNCH);//digits ??? to be removed
- fRawClusters=new TObjArray(kNCH);//clusters
- fRecHits1D =new TObjArray(kNCH);//recos Bari
- fRecHits3D =new TObjArray(kNCH);//recos Lisbon
- for(int i=0;i<kNCH;i++) {
- fNdch[i]=fNrawch[i]=0;
- fDchambers ->AddAt(new TClonesArray("AliRICHDigit",10000), i); //??? to be removed
- fRawClusters->AddAt(new TClonesArray("AliRICHRawCluster",10000), i);
- fRecHits1D ->AddAt(new TClonesArray("AliRICHRecHit1D",1000), i);
- fRecHits3D ->AddAt(new TClonesArray("AliRICHRecHit3D",1000), i);
- }
- SetMarkerColor(kRed);
- fCkovNumber=fFreonProd=0;
- fChambers = 0;
- CreateChambers();
+ fpParam = new AliRICHParam;
+ fChambers = 0; CreateChambers();
+//AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
+ fHits= 0; CreateHits(); gAlice->GetMCApp()->AddHitList(fHits);
+ fSdigits= 0;
+ fDigitsNew= 0;
+ fClusters= 0;
+ fRecos =0;
if(GetDebug())Info("named ctor","Stop.");
}//AliRICH::AliRICH(const char *name, const char *title)
//__________________________________________________________________________________________________
AliRICH::~AliRICH()
-{//dtor
+{
+//dtor
if(GetDebug()) Info("dtor","Start.");
- fIshunt = 0;
- delete fHits;
- delete fSDigits;
- delete fCerenkovs;
-
- //PH Delete TObjArrays
- if (fChambers) {
- fChambers->Delete();
- delete fChambers;
- }
- if (fDchambers) {
- fDchambers->Delete();
- delete fDchambers;
- }
- if (fRawClusters) {
- fRawClusters->Delete();
- delete fRawClusters;
- }
- if (fRecHits1D) {
- fRecHits1D->Delete();
- delete fRecHits1D;
- }
- if (fRecHits3D) {
- fRecHits3D->Delete();
- delete fRecHits3D;
- }
+ if(fpParam) delete fpParam;
+ if(fChambers) delete fChambers;
+
+ if(fHits) delete fHits;
+ if(fSdigits) delete fSdigits;
+ if(fDigits) delete fDigits;
+ if(fDigitsNew) {fDigitsNew->Delete(); delete fDigitsNew;}
+ if(fClusters) {fClusters->Delete(); delete fClusters;}
+ if(fRecos) delete fRecos;
if(GetDebug()) Info("dtor","Stop.");
}//AliRICH::~AliRICH()
//__________________________________________________________________________________________________
void AliRICH::Hits2SDigits()
-{//Create a list of sdigits corresponding to list of hits. Every hit generates sdigit.
+{
+// Create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
+//
if(GetDebug()) Info("Hit2SDigits","Start.");
+
+ AliLoader * richLoader = GetLoader();
+ AliRunLoader * runLoader = GetLoader()->GetRunLoader();
+
+ for(Int_t iEventN=0;iEventN<GetLoader()->GetRunLoader()->GetAliRun()->GetEventsPerRun();iEventN++){//events loop
+ runLoader->GetEvent(iEventN);
- for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events loop
- fLoader->GetRunLoader()->GetEvent(iEventN);
-
- if(!fLoader->TreeH()) fLoader->LoadHits();
- if(!fLoader->TreeS()) fLoader->MakeTree("S");
- MakeBranch("S");
-
- AliRICHSegmentationV1 *pSeg=new AliRICHSegmentationV1;
- AliRICHResponseV0 *pRes=new AliRICHResponseV0;
-
- Float_t dx=Param()->SigmaIntegration()*Param()->ChargeSpreadX();
- Float_t dy=Param()->SigmaIntegration()*Param()->ChargeSpreadY();
- Float_t charge;
-
- for(int iPrimN=0;iPrimN<TreeH()->GetEntries();iPrimN++){//prims loop
- fLoader->TreeH()->GetEntry(iPrimN);
- for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){//hits loop
- AliRICHhit *pHit=(AliRICHhit*)Hits()->At(iHitN);//get current hit
-
- if(pHit->Y()>0)
- charge=Param()->TotalCharge(pHit->Particle(),pHit->Eloss(),pHit->Y()-Param()->SectorSizeY());
- else
- charge=Param()->TotalCharge(pHit->Particle(),pHit->Eloss(),pHit->Y()+Param()->SectorSizeY());
-
- for(pSeg->FirstPad(pHit->X(),pHit->Y(),0,dx,dy);pSeg->MorePads();pSeg->NextPad()){//pads loop
-
- AddSDigit(pHit->Chamber(),pSeg->Ix(),pSeg->Iy(),
- Int_t(charge*TMath::Abs(pRes->IntXY(pSeg))),
- iPrimN);//chamber-xpad-ypad-qdc-track1-2-3
- }//pads loop
+ if (!richLoader->TreeH()) richLoader->LoadHits();
+ if (!runLoader->TreeE()) runLoader->LoadHeader();
+ if (!runLoader->TreeK()) runLoader->LoadKinematics();//from
+ if (!richLoader->TreeS()) richLoader->MakeTree("S"); MakeBranch("S");//to
+
+ for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
+ richLoader->TreeH()->GetEntry(iPrimN);
+ for(Int_t iHitN=0;iHitN<Hits()->GetEntries();iHitN++){//hits loop
+ AliRICHhit *pHit=(AliRICHhit*)Hits()->At(iHitN);
+ TVector2 x2 = P()->ShiftToWirePos(C(pHit->C())->Glob2Loc(pHit->OutX3()));
+ Int_t iTotQdc=P()->TotQdc(x2,pHit->Eloss());
+ if(iTotQdc==0) continue;
+ Int_t iPadXmin,iPadXmax,iPadYmin,iPadYmax;
+ P()->Loc2Area(x2,iPadXmin,iPadYmin,iPadXmax,iPadYmax);//determine affected pads
+ if(GetDebug()) Info("Hits2SDigits","left-down=(%i,%i) right-up=(%i,%i)",iPadXmin,iPadYmin,iPadXmax,iPadYmax);
+ for(Int_t iPadY=iPadYmin;iPadY<=iPadYmax;iPadY++)//affected pads loop
+ for(Int_t iPadX=iPadXmin;iPadX<=iPadXmax;iPadX++){
+ Double_t padQdc=iTotQdc*P()->FracQdc(x2,iPadX,iPadY);
+ if(padQdc>0.1) AddSDigit(pHit->C(),iPadX,iPadY,padQdc,
+ runLoader->Stack()->Particle(pHit->GetTrack())->GetPdgCode(),pHit->GetTrack());
+ }//affected pads loop
}//hits loop
}//prims loop
-
- delete pSeg;
-
- fLoader->TreeS()->Fill();
- fLoader->WriteSDigits("OVERWRITE");
- }//events loop
-
- fLoader->UnloadHits();
- fLoader->UnloadSDigits();
+ richLoader->TreeS()->Fill();
+ richLoader->WriteSDigits("OVERWRITE");
+ ResetSDigits();
+ }//events loop
+ richLoader->UnloadHits();
+ runLoader->UnloadHeader();
+ runLoader->UnloadKinematics();
+ GetLoader()->UnloadSDigits();
if(GetDebug()) Info("Hit2SDigits","Stop.");
-}//void AliRICH::Hits2SDigits()
+}//Hits2SDigits()
//__________________________________________________________________________________________________
-void AliRICH::SDigits2Digits()
-{//Generate digits from sdigits.
- if(GetDebug()) Info("SDigits2Digits","Start.");
-
- AliRunDigitizer *pManager = new AliRunDigitizer(1,1);
- pManager->SetInputStream(0,"galice.root");
- pManager->Exec("deb");
- if(GetDebug()) Info("SDigits2Digits","Stop.");
-}//void AliRICH::SDigits2Digits()
-//__________________________________________________________________________________________________
-void AliRICH::Digits2Reco()
-{
-// Generate clusters
-// Called from alirun, single event only.
- if(GetDebug()) Info("Digits2Reco","Start.");
-
- int nparticles = gAlice->GetNtrack();
- cout << "Particles (RICH):" <<nparticles<<endl;
- if (nparticles > 0) FindClusters(0);
-
-}//void AliRICH::Digits2Reco()
-//__________________________________________________________________________________________________
-
-
-void AliRICH::AddDigits(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits)
-{// Add a RICH digit to the list
-
- TClonesArray &ldigits = *((TClonesArray*)fDchambers->At(id));
- new(ldigits[fNdch[id]++]) AliRICHDigit(tracks,charges,digits);
-}
-
-void AliRICH::AddRawCluster(Int_t id, const AliRICHRawCluster& c)
-{// Add a RICH digit to the list
-
- TClonesArray &lrawcl = *((TClonesArray*)fRawClusters->At(id));
- new(lrawcl[fNrawch[id]++]) AliRICHRawCluster(c);
-}
-//_____________________________________________________________________________
-void AliRICH::AddRecHit1D(Int_t id, Float_t *rechit, Float_t *photons, Int_t *padsx, Int_t* padsy)
-{// Add a RICH reconstructed hit to the list
-
- TClonesArray &lrec1D = *((TClonesArray*)fRecHits1D->At(id));
- new(lrec1D[fNrechits1D[id]++]) AliRICHRecHit1D(id,rechit,photons,padsx,padsy);
-}
-//_____________________________________________________________________________
-void AliRICH::AddRecHit3D(Int_t id, Float_t *rechit, Float_t omega, Float_t theta, Float_t phi)
-{// Add a RICH reconstructed hit to the list
-
- TClonesArray &lrec3D = *((TClonesArray*)fRecHits3D->At(id));
- new(lrec3D[fNrechits3D[id]++]) AliRICHRecHit3D(id,rechit,omega,theta,phi);
-}
-//______________________________________________________________________________
void AliRICH::BuildGeometry()
-{//Builds a TNode geometry for event display
+{
+//Builds a TNode geometry for event display
if(GetDebug())Info("BuildGeometry","Start.");
TNode *node, *subnode, *top;
new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
- Float_t wid=fpParam->SectorSizeX();
- Float_t len=fpParam->SectorSizeY();
+ Float_t wid=P()->SectorSizeX();
+ Float_t len=P()->SectorSizeY();
new TBRIK("PHOTO","PHOTO","void",wid/2,0.1,len/2);
for(int i=1;i<=kNCH;i++){
node = new TNode(Form("RICH%i",i),Form("RICH%i",i),"S_RICH",C(i)->X(),C(i)->Y(),C(i)->Z(),C(i)->RotMatrixName());
node->SetLineColor(kRed);
node->cd();
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+fpParam->DeadZone(),5,len/2+fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+P()->DeadZone(),5,len/2+P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,len/2+fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,len/2+P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-fpParam->DeadZone(),5,len/2+fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-P()->DeadZone(),5,len/2+P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+fpParam->DeadZone(),5,-len/2-fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+P()->DeadZone(),5,-len/2-P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-len/2 -fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-len/2 -P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
- subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-fpParam->DeadZone(),5,-len/2 - fpParam->DeadZone()/2,"");
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-P()->DeadZone(),5,-len/2 - P()->DeadZone()/2,"");
subnode->SetLineColor(kGreen);
fNodes->Add(subnode);
fNodes->Add(node);
}
if(GetDebug())Info("BuildGeometry","Stop.");
}//void AliRICH::BuildGeometry()
+
//______________________________________________________________________________
void AliRICH::CreateMaterials()
{
//
// *** DEFINITION OF AVAILABLE RICH MATERIALS ***
- // ORIGIN : NICK VAN EIJNDHOVEN
- // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
- // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
- // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
- //
- Int_t isxfld = gAlice->Field()->Integ();
- Float_t sxmgmx = gAlice->Field()->Max();
- Int_t i;
-
- /************************************Antonnelo's Values (14-vectors)*****************************************/
- /*
- Float_t ppckov[14] = { 5.63e-9,5.77e-9,5.9e-9,6.05e-9,6.2e-9,6.36e-9,6.52e-9,
- 6.7e-9,6.88e-9,7.08e-9,7.3e-9,7.51e-9,7.74e-9,8e-9 };
- Float_t rIndexQuarz[14] = { 1.528309,1.533333,
- 1.538243,1.544223,1.550568,1.55777,
- 1.565463,1.574765,1.584831,1.597027,
- 1.611858,1.6277,1.6472,1.6724 };
- Float_t rIndexOpaqueQuarz[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
- Float_t rIndexMethane[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
- Float_t rIndexGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
- Float_t abscoFreon[14] = { 179.0987,179.0987,
- 179.0987,179.0987,179.0987,142.92,56.65,13.95,10.43,7.07,2.03,.5773,.33496,0. };
- //Float_t abscoFreon[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
- // 1e-5,1e-5,1e-5,1e-5,1e-5 };
- Float_t abscoQuarz[14] = { 64.035,39.98,35.665,31.262,27.527,22.815,21.04,17.52,
- 14.177,9.282,4.0925,1.149,.3627,.10857 };
- Float_t abscoOpaqueQuarz[14] = { 1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,1e-5,
- 1e-5,1e-5,1e-5,1e-5,1e-5 };
- Float_t abscoCsI[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
- 1e-4,1e-4,1e-4,1e-4 };
- Float_t abscoMethane[14] = { 1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,1e6,
- 1e6,1e6,1e6 };
- Float_t abscoGrid[14] = { 1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,1e-4,
- 1e-4,1e-4,1e-4,1e-4 };
- Float_t efficAll[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
- Float_t efficCsI[14] = { 6e-4,.005,.0075,.01125,.045,.117,.135,.16575,
- .17425,.1785,.1836,.1904,.1938,.221 };
- Float_t efficGrid[14] = { 1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1.,1. };
- */
-
-
- /**********************************End of Antonnelo's Values**********************************/
-
- /**********************************Values from rich_media.f (31-vectors)**********************************/
-
-
- //Photons energy intervals
- Float_t ppckov[26];
- for (i=0;i<26;i++)
- {
- ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9;
- }
-
-
- //Refraction index for quarz
- Float_t rIndexQuarz[26];
- Float_t e1= 10.666;
- Float_t e2= 18.125;
- Float_t f1= 46.411;
- Float_t f2= 228.71;
- for (i=0;i<26;i++)
- {
- Float_t ene=ppckov[i]*1e9;
- Float_t a=f1/(e1*e1 - ene*ene);
- Float_t b=f2/(e2*e2 - ene*ene);
- rIndexQuarz[i] = TMath::Sqrt(1. + a + b );
- }
-
- //Refraction index for opaque quarz, methane and grid
- Float_t rIndexOpaqueQuarz[26];
- Float_t rIndexMethane[26];
- Float_t rIndexGrid[26];
- for (i=0;i<26;i++)
- {
- rIndexOpaqueQuarz[i]=1;
- rIndexMethane[i]=1.000444;
- rIndexGrid[i]=1;
- }
-
- //Absorption index for freon
- Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987,
- 179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196,
- 7.069031, 4.461292, 2.028366, 1.293013, .577267, .40746, .334964, 0., 0., 0.};
-
- //Absorption index for quarz
- /*Float_t Qzt [21] = {.0,.0,.005,.04,.35,.647,.769,.808,.829,.844,.853,.858,.869,.887,.903,.902,.902,
- .906,.907,.907,.907};
- Float_t Wavl2[] = {150.,155.,160.0,165.0,170.0,175.0,180.0,185.0,190.0,195.0,200.0,205.0,210.0,
- 215.0,220.0,225.0,230.0,235.0,240.0,245.0,250.0};
- Float_t abscoQuarz[31];
- for (Int_t i=0;i<31;i++)
- {
- Float_t Xlam = 1237.79 / (ppckov[i]*1e9);
- if (Xlam <= 160) abscoQuarz[i] = 0;
- if (Xlam > 250) abscoQuarz[i] = 1;
- else
- {
- for (Int_t j=0;j<21;j++)
- {
- if (Xlam > Wavl2[j] && Xlam < Wavl2[j+1])
- {
- Float_t Dabs = (Qzt[j+1] - Qzt[j])/(Wavl2[j+1] - Wavl2[j]);
- Float_t Abso = Qzt[j] + Dabs*(Xlam - Wavl2[j]);
- abscoQuarz[i] = -5.0/(TMath::Log(Abso));
- }
- }
- }
- }*/
-
- /*Float_t abscoQuarz[31] = {49.64211, 48.41296, 47.46989, 46.50492, 45.13682, 44.47883, 43.1929 , 41.30922, 40.5943 ,
- 39.82956, 38.98623, 38.6247 , 38.43448, 37.41084, 36.22575, 33.74852, 30.73901, 24.25086,
- 17.94531, 11.88753, 5.99128, 3.83503, 2.36661, 1.53155, 1.30582, 1.08574, .8779708,
- .675275, 0., 0., 0.};
-
- for (Int_t i=0;i<31;i++)
- {
- abscoQuarz[i] = abscoQuarz[i]/10;
- }*/
-
- Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004,
- 19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627,
- .192, .1497, .10857};
-
- //Absorption index for methane
- Float_t abscoMethane[26];
- for (i=0;i<26;i++)
- {
- abscoMethane[i]=AbsoCH4(ppckov[i]*1e9);
- }
-
- //Absorption index for opaque quarz, csi and grid, efficiency for all and grid
- Float_t abscoOpaqueQuarz[26];
- Float_t abscoCsI[26];
- Float_t abscoGrid[26];
- Float_t efficAll[26];
- Float_t efficGrid[26];
- for (i=0;i<26;i++)
- {
- abscoOpaqueQuarz[i]=1e-5;
- abscoCsI[i]=1e-4;
- abscoGrid[i]=1e-4;
- efficAll[i]=1;
- efficGrid[i]=1;
- }
-
- //Efficiency for csi
-
- Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125,
- 0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999,
- 0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592,
- 0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987};
-
-
-
- //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND
- //UNPOLARIZED PHOTONS
-
- for (i=0;i<26;i++)
- {
- efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0));
- }
-
- /*******************************************End of rich_media.f***************************************/
-
-
-
-
-
- Float_t afre[2], agri, amet[2], aqua[2], ahon, zfre[2], zgri, zhon,
- zmet[2], zqua[2];
- Int_t nlmatfre;
- Float_t densquao;
- Int_t nlmatmet, nlmatqua;
- Float_t wmatquao[2], rIndexFreon[26];
- Float_t aquao[2], epsil, stmin, zquao[2];
- Int_t nlmatquao;
- Float_t radlal, densal, tmaxfd, deemax, stemax;
- Float_t aal, zal, radlgri, densfre, radlhon, densgri, denshon,densqua, densmet, wmatfre[2], wmatmet[2], wmatqua[2];
-
- Int_t *idtmed = fIdtmed->GetArray()-999;
-
- // --- Photon energy (GeV)
- // --- Refraction indexes
- for (i = 0; i < 26; ++i) {
- rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177;
- //rIndexFreon[i] = 1;
- }
-
- // --- Detection efficiencies (quantum efficiency for CsI)
- // --- Define parameters for honeycomb.
- // Used carbon of equivalent rad. lenght
-
- ahon = 12.01;
- zhon = 6.;
- denshon = 0.1;
- radlhon = 18.8;
-
- // --- Parameters to include in GSMIXT, relative to Quarz (SiO2)
-
- aqua[0] = 28.09;
- aqua[1] = 16.;
- zqua[0] = 14.;
- zqua[1] = 8.;
- densqua = 2.64;
- nlmatqua = -2;
- wmatqua[0] = 1.;
- wmatqua[1] = 2.;
-
- // --- Parameters to include in GSMIXT, relative to opaque Quarz (SiO2)
-
- aquao[0] = 28.09;
- aquao[1] = 16.;
- zquao[0] = 14.;
- zquao[1] = 8.;
- densquao = 2.64;
- nlmatquao = -2;
- wmatquao[0] = 1.;
- wmatquao[1] = 2.;
-
- // --- Parameters to include in GSMIXT, relative to Freon (C6F14)
-
- afre[0] = 12.;
- afre[1] = 19.;
- zfre[0] = 6.;
- zfre[1] = 9.;
- densfre = 1.7;
- nlmatfre = -2;
- wmatfre[0] = 6.;
- wmatfre[1] = 14.;
-
- // --- Parameters to include in GSMIXT, relative to methane (CH4)
-
- amet[0] = 12.01;
- amet[1] = 1.;
- zmet[0] = 6.;
- zmet[1] = 1.;
- densmet = 7.17e-4;
- nlmatmet = -2;
- wmatmet[0] = 1.;
- wmatmet[1] = 4.;
+#include "Opticals.h"
+
+ Float_t a=0,z=0,den=0,radl=0,absl=0;
+ Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001;
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
- // --- Parameters to include in GSMIXT, relative to anode grid (Cu)
+ AliMaterial( 1, "Air $",a=14.61,z=7.3, den=0.001205,radl=30420.0,absl=67500);//(Air)
+ AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- agri = 63.54;
- zgri = 29.;
- densgri = 8.96;
- radlgri = 1.43;
-
- // --- Parameters to include in GSMATE related to aluminium sheet
-
- aal = 26.98;
- zal = 13.;
- densal = 2.7;
- radlal = 8.9;
-
- // --- Glass parameters
-
- Float_t aglass[5]={12.01, 28.09, 16., 10.8, 23.};
- Float_t zglass[5]={ 6., 14., 8., 5., 11.};
- Float_t wglass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01};
- Float_t dglass=1.74;
-
-
- AliMaterial(1, "Air $", 14.61, 7.3, .001205, 30420., 67500);
- AliMaterial(6, "HON", ahon, zhon, denshon, radlhon, 0);
- AliMaterial(16, "CSI", ahon, zhon, denshon, radlhon, 0);
- AliMixture(20, "QUA", aqua, zqua, densqua, nlmatqua, wmatqua);
- AliMixture(21, "QUAO", aquao, zquao, densquao, nlmatquao, wmatquao);
- AliMixture(30, "FRE", afre, zfre, densfre, nlmatfre, wmatfre);
- AliMixture(40, "MET", amet, zmet, densmet, nlmatmet, wmatmet);
- AliMixture(41, "METG", amet, zmet, densmet, nlmatmet, wmatmet);
- AliMaterial(11, "GRI", agri, zgri, densgri, radlgri, 0);
- AliMaterial(50, "ALUM", aal, zal, densal, radlal, 0);
- AliMixture(32, "GLASS",aglass, zglass, dglass, 5, wglass);
- AliMaterial(31, "COPPER$", 63.54, 29., 8.96, 1.4, 0.);
-
- tmaxfd = -10.;
- stemax = -.1;
- deemax = -.2;
- epsil = .001;
- stmin = -.001;
-
- AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(6, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(9, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, .1, -deemax, epsil, -stmin);
- AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(11, "GLASS", 32, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
- AliMedium(12, "PCB_COPPER", 31, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-
-
- gMC->SetCerenkov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
- gMC->SetCerenkov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
- gMC->SetCerenkov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll,rIndexQuarz);
- gMC->SetCerenkov(idtmed[1003], 26, ppckov, abscoFreon, efficAll,rIndexFreon);
- gMC->SetCerenkov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
- gMC->SetCerenkov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane);
- gMC->SetCerenkov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
- gMC->SetCerenkov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
- gMC->SetCerenkov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
- gMC->SetCerenkov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
- gMC->SetCerenkov(idtmed[1010], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
-}
+ AliMaterial( 6, "HON", a=12.01,z=6.0, den=0.1, radl=18.8, absl=0); //(C)-equivalent radl
+ AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(16, "CSI", a=12.01,z=6.0, den=0.1, radl=18.8, absl=0); //CsI-radl equivalent
+ AliMedium(kCSI, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(11, "GRI", a=63.54,z=29.0,den=8.96, radl=1.43, absl=0); //anode grid (Cu)
+ AliMedium(7, "GRID$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(50, "ALUM", a=26.98,z=13.0,den=2.7, radl=8.9, absl=0); //aluminium sheet (Al)
+ AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(31, "COPPER$", a=63.54,z=29.0,den=8.96, radl=1.4, absl=0); //(Cu)
+ AliMedium(12, "PCB_COPPER", 31, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aQuartz[2]={28.09,16.0}; Float_t zQuartz[2]={14.00, 8.0}; Float_t wmatQuartz[2]={1,2};
+ AliMixture (20, "QUA",aQuartz,zQuartz,den=2.64,-2, wmatQuartz);//Quarz (SiO2) - trasnparent
+ AliMedium(3, "QUARTZ$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMixture (21, "QUAO",aQuartz, zQuartz, den=2.64, -2, wmatQuartz);//Quarz (SiO2) - opaque
+ AliMedium(8, "QUARTZO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aFreon[2]={12,19}; Float_t zFreon[2]={6,9}; Float_t wmatFreon[2]={6,14};
+ AliMixture (30, "FRE",aFreon,zFreon,den=1.7,-2,wmatFreon);//Freon (C6F14)
+ AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wmatMethane[2]={1,4};
+ AliMixture (40, "MET", aMethane, zMethane, den=7.17e-4,-2, wmatMethane);//methane (CH4)
+ AliMedium(5, "METHANE$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMixture (41, "METG", aMethane, zMethane, den=7.17e-4, -2, wmatMethane);
+ AliMedium(kGAP, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, 0.1, -deemax, epsil, -stmin);
+
+ Float_t aGlass[5]={12.01, 28.09, 16., 10.8, 23.};
+ Float_t zGlass[5]={ 6., 14., 8., 5., 11.};
+ Float_t wGlass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01};
+ AliMixture (32, "GLASS",aGlass, zGlass, den=1.74, 5, wGlass);//Glass 50%C+10.5%Si+35.5%O+3% + 1%
+ AliMedium(11, "GLASS", 32, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Int_t *idtmed = fIdtmed->GetArray()-999;
+ gMC->SetCerenkov(idtmed[1000], kNbins, aPckov, aAbsCH4, aQeAll, aIdxCH4);
+ gMC->SetCerenkov(idtmed[1001], kNbins, aPckov, aAbsCH4, aQeAll, aIdxCH4);
+ gMC->SetCerenkov(idtmed[1002], kNbins, aPckov, aAbsSiO2, aQeAll, aIdxSiO2);
+ gMC->SetCerenkov(idtmed[1003], kNbins, aPckov, aAbsC6F14, aQeAll, aIdxC6F14);
+ gMC->SetCerenkov(idtmed[1004], kNbins, aPckov, aAbsCH4, aQeAll, aIdxCH4);
+ gMC->SetCerenkov(idtmed[1005], kNbins, aPckov, aAbsCsI, aQeCsI, aIdxCH4);
+ gMC->SetCerenkov(idtmed[1006], kNbins, aPckov, aAbsGrid, aQeAll, aIdxGrid);
+ gMC->SetCerenkov(idtmed[1007], kNbins, aPckov, aAbsOpSiO2, aQeAll, aIdxOpSiO2);
+ gMC->SetCerenkov(idtmed[1008], kNbins, aPckov, aAbsCH4, aQeAll, aIdxCH4);
+ gMC->SetCerenkov(idtmed[1009], kNbins, aPckov, aAbsGrid, aQeAll, aIdxGrid);
+ gMC->SetCerenkov(idtmed[1010], kNbins, aPckov, aAbsOpSiO2, aQeAll, aIdxOpSiO2);
+
+}//void AliRICH::CreateMaterials()
//__________________________________________________________________________________________________
-Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
+Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)const
{
//ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
fresn = fresn*rO;
return(fresn);
-}//Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
+}//Fresnel()
//__________________________________________________________________________________________________
-Float_t AliRICH::AbsoCH4(Float_t x)
+Float_t AliRICH::AbsoCH4(Float_t x)const
{
-
- //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31)
- Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22
- //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145};
- Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
- const Float_t kLosch=2.686763E19; // LOSCHMIDT NUMBER IN CM-3
- const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.;
- Float_t pn=kPressure/760.;
- Float_t tn=kTemperature/273.16;
-
-
-// ------- METHANE CROSS SECTION -----------------
-// ASTROPH. J. 214, L47 (1978)
-
- Float_t sm=0;
- if (x<7.75)
- sm=.06e-22;
-
- if(x>=7.75 && x<=8.1)
- {
- Float_t c0=-1.655279e-1;
- Float_t c1=6.307392e-2;
- Float_t c2=-8.011441e-3;
- Float_t c3=3.392126e-4;
- sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18;
- }
-
- if (x> 8.1)
- {
- Int_t j=0;
- while (x<=em[j] && x>=em[j+1])
- {
- j++;
- Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
- sm=(sch4[j]+a*(x-em[j]))*1e-22;
- }
- }
-
- Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
- Float_t abslm=1./sm/dm;
-
-// ------- ISOBUTHANE CROSS SECTION --------------
-// i-C4H10 (ai) abs. length from curves in
-// Lu-McDonald paper for BARI RICH workshop .
-// -----------------------------------------------------------
-
- Float_t ai;
- Float_t absli;
- if (kIgas2 != 0)
- {
- if (x<7.25)
- ai=100000000.;
-
- if(x>=7.25 && x<7.375)
- ai=24.3;
-
- if(x>=7.375)
- ai=.0000000001;
-
- Float_t si = 1./(ai*kLosch*273.16/293.); // ISOB. CRO.SEC.IN CM2
- Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
- absli =1./si/di;
- }
- else
- absli=1.e18;
-// ---------------------------------------------------------
-//
-// transmission of O2
-//
-// y= path in cm, x=energy in eV
-// so= cross section for UV absorption in cm2
-// do= O2 molecular density in cm-3
-// ---------------------------------------------------------
-
- Float_t abslo;
- Float_t so=0;
- if(x>=6.0)
- {
- if(x>=6.0 && x<6.5)
- {
- so=3.392709e-13 * TMath::Exp(2.864104 *x);
- so=so*1e-18;
- }
-
- if(x>=6.5 && x<7.0)
- {
- so=2.910039e-34 * TMath::Exp(10.3337*x);
- so=so*1e-18;
- }
-
-
- if (x>=7.0)
- {
- Float_t a0=-73770.76;
- Float_t a1=46190.69;
- Float_t a2=-11475.44;
- Float_t a3=1412.611;
- Float_t a4=-86.07027;
- Float_t a5=2.074234;
- so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x);
- so=so*1e-18;
- }
-
- Float_t dox=(kOxy/1e6)*kLosch*pn/tn;
- abslo=1./so/dox;
- }
- else
- abslo=1.e18;
-// ---------------------------------------------------------
-//
-// transmission of H2O
-//
-// y= path in cm, x=energy in eV
-// sw= cross section for UV absorption in cm2
-// dw= H2O molecular density in cm-3
-// ---------------------------------------------------------
-
- Float_t abslw;
-
- Float_t b0=29231.65;
- Float_t b1=-15807.74;
- Float_t b2=3192.926;
- Float_t b3=-285.4809;
- Float_t b4=9.533944;
-
- if(x>6.75)
- {
- Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x);
- sw=sw*1e-18;
- Float_t dw=(kWater/1e6)*kLosch*pn/tn;
- abslw=1./sw/dw;
+//Evaluate the absorbtion lenght of CH4
+ Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22
+ Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
+ const Float_t kLoschmidt=2.686763e19; // LOSCHMIDT NUMBER IN CM-3
+ const Float_t kPressure=750.,kTemperature=283.;
+ const Float_t kPn=kPressure/760.;
+ const Float_t kTn=kTemperature/273.16;
+ const Float_t kC0=-1.655279e-1;
+ const Float_t kC1=6.307392e-2;
+ const Float_t kC2=-8.011441e-3;
+ const Float_t kC3=3.392126e-4;
+
+ Float_t crossSection=0;
+ if (x<7.75)
+ crossSection=.06e-22;
+ else if(x>=7.75 && x<=8.1){ //------ METHANE CROSS SECTION cm-2 ASTROPH. J. 214, L47 (1978)
+ crossSection=(kC0+kC1*x+kC2*x*x+kC3*x*x*x)*1.e-18;
+ }else if (x> 8.1){
+ Int_t j=0;
+ while (x<=em[j] || x>=em[j+1]){
+ j++;
+ Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
+ crossSection=(sch4[j]+a*(x-em[j]))*1e-22;
}
- else
- abslw=1.e18;
-
-// ---------------------------------------------------------
-
- Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw);
- return (alength);
-}
-//__________________________________________________________________________________________________
-void AliRICH::ResetDigits()
-{//Reset number of digits and the digits array for this detector
- for ( int i=0;i<kNCH;i++ ) {
- if (fDchambers && fDchambers->At(i)) fDchambers->At(i)->Clear();
- if (fNdch) fNdch[i]=0;
- }
-}
-//__________________________________________________________________________________________________
-void AliRICH::ResetRawClusters()
-{//Reset number of raw clusters and the raw clust array for this detector
- for ( int i=0;i<kNCH;i++ ) {
- if (fRawClusters->At(i)) ((TClonesArray*)fRawClusters->At(i))->Clear();
- if (fNrawch) fNrawch[i]=0;
- }
-}
-//__________________________________________________________________________________________________
-void AliRICH::ResetRecHits1D()
-{//Reset number of raw clusters and the raw clust array for this detector
- for ( int i=0;i<kNCH;i++ ) {
- if (fRecHits1D->At(i)) ((TClonesArray*)fRecHits1D->At(i))->Clear();
- if (fNrechits1D) fNrechits1D[i]=0;
- }
-}
-
-//__________________________________________________________________________________________________
-void AliRICH::ResetRecHits3D()
-{// Reset number of raw clusters and the raw clust array for this detector
- for ( int i=0;i<kNCH;i++ ) {
- if (fRecHits3D->At(i)) ((TClonesArray*)fRecHits3D->At(i))->Clear();
- if (fNrechits3D) fNrechits3D[i]=0;
- }
-}
-//__________________________________________________________________________________________________
-void AliRICH::FindClusters(Int_t nev /*kir,Int_t lastEntry*/)
-{// Loop on chambers and on cathode planes
- for (Int_t icat=1;icat<2;icat++) {
- gAlice->ResetDigits();
- gAlice->TreeD()->GetEvent(0);
- for (Int_t ich=0;ich<kNCH;ich++) {
- AliRICHChamber* iChamber=(AliRICHChamber*)fChambers->At(ich);
- TClonesArray *pRICHdigits = this->DigitsAddress(ich);
- if (pRICHdigits == 0)
- continue;
- //
- // Get ready the current chamber stuff
- //
- AliRICHResponse* response = iChamber->GetResponseModel();
- AliSegmentation* seg = iChamber->GetSegmentationModel();
- AliRICHClusterFinder* rec = iChamber->GetReconstructionModel();
- if (seg) {
- rec->SetSegmentation(seg);
- rec->SetResponse(response);
- rec->SetDigits(pRICHdigits);
- rec->SetChamber(ich);
- if (nev==0) rec->CalibrateCOG();
- rec->FindRawClusters();
- }
- TClonesArray *fRch;
- fRch=RawClustAddress(ich);
- fRch->Sort();
- } // for ich
-
- gAlice->TreeR()->Fill();
- TClonesArray *fRch;
- for (int i=0;i<kNCH;i++) {
- fRch=RawClustAddress(i);
- fRch->GetEntriesFast();
- }
-
- ResetRawClusters();
-
- } // for icat
-
- char hname[30];
- sprintf(hname,"TreeR%d",nev);
- gAlice->TreeR()->Write(hname,kOverwrite,0);
- gAlice->TreeR()->Reset();
-}//void AliRICH::FindClusters(Int_t nev)
-//__________________________________________________________________________________________________
-void AliRICH::MakeBranchInTreeD(TTree *treeD, const char *file)
-{// Create TreeD branches for the RICH.
- if(GetDebug())Info("MakeBranchInTreeD","Start.");
-
- const Int_t kBufferSize = 4000;
- char branchname[30];
+ }//if
- //
- // one branch for digits per chamber
- //
- for (Int_t i=0; i<kNCH ;i++) {
- sprintf(branchname,"%sDigits%d",GetName(),i+1);
- if (fDchambers && treeD) {
- MakeBranchInTree(treeD,branchname, &((*fDchambers)[i]), kBufferSize, file);
-// printf("Making Branch %s for digits in chamber %d\n",branchname,i+1);
- }
- }
-}
+ Float_t density=kLoschmidt*kPn/kTn; //CH4 molecular density 1/cm-3
+ return 1./(density*crossSection);
+}//AbsoCH4()
//__________________________________________________________________________________________________
void AliRICH::MakeBranch(Option_t* option)
-{//Create Tree branches for the RICH.
+{
+//Create Tree branches for the RICH.
if(GetDebug())Info("MakeBranch","Start with option= %s.",option);
const Int_t kBufferSize = 4000;
- char branchname[20];
-
const char *cH = strstr(option,"H");
const char *cD = strstr(option,"D");
const char *cR = strstr(option,"R");
const char *cS = strstr(option,"S");
- if(cH&&TreeH()){
- if(!fHits) fHits=new TClonesArray("AliRICHhit",1000 );
- if(!fCerenkovs) fCerenkovs = new TClonesArray("AliRICHCerenkov",1000);
- MakeBranchInTree(TreeH(),"RICHCerenkov", &fCerenkovs, kBufferSize, 0) ;
-
- //kir if(!fSDigits) fSDigits = new TClonesArray("AliRICHdigit",100000);
- //kir MakeBranchInTree(TreeH(),"RICHSDigits", &fSDigits, kBufferSize, 0) ;
- }
+ if(cH&&TreeH()){//H
+ CreateHits(); //branch will be created in AliDetector::MakeBranch
+ }//H
AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
- if(cS&&fLoader->TreeS()){
- if(!fSDigits) fSDigits=new TClonesArray("AliRICHdigit",100000);
- MakeBranchInTree(fLoader->TreeS(),"RICH",&fSDigits,kBufferSize,0) ;
- }
+ if(cS&&fLoader->TreeS()){//S
+ CreateSDigits(); MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
+ }//S
- int i;
- if (cD&&fLoader->TreeD()){
- if(!fDchambers){
- fDchambers=new TObjArray(kNCH); // one branch for digits per chamber
- for(i=0;i<kNCH;i++){
- fDchambers->AddAt(new TClonesArray("AliRICHDigit",10000), i);
- }
+ if(cD&&fLoader->TreeD()){//D
+ CreateDigits();
+ for(Int_t i=0;i<kNCH;i++){
+ MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigitsNew)[i]),kBufferSize,0);
}
- for (i=0; i<kNCH ;i++)
- {
- sprintf(branchname,"%sDigits%d",GetName(),i+1);
- MakeBranchInTree(fLoader->TreeD(),branchname, &((*fDchambers)[i]), kBufferSize, 0);
- }
- }
-
- if (cR&&gAlice->TreeR()){//one branch for raw clusters per chamber
- Int_t i;
- if (fRawClusters == 0x0 )
- {
- fRawClusters = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRawClusters->AddAt(new TClonesArray("AliRICHRawCluster",10000), i);
- }
- }
-
- if (fRecHits1D == 0x0)
- {
- fRecHits1D = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRecHits1D->AddAt(new TClonesArray("AliRICHRecHit1D",1000), i);
- }
- }
-
- if (fRecHits3D == 0x0)
- {
- fRecHits3D = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRecHits3D->AddAt(new TClonesArray("AliRICHRecHit3D",1000), i);
- }
- }
-
- for (i=0; i<kNCH ;i++){
- sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
- MakeBranchInTree(gAlice->TreeR(),branchname, &((*fRawClusters)[i]), kBufferSize, 0);
- sprintf(branchname,"%sRecHits1D%d",GetName(),i+1);
- MakeBranchInTree(fLoader->TreeR(),branchname, &((*fRecHits1D)[i]), kBufferSize, 0);
- sprintf(branchname,"%sRecHits3D%d",GetName(),i+1);
- MakeBranchInTree(fLoader->TreeR(),branchname, &((*fRecHits3D)[i]), kBufferSize, 0);
- }
- }//if (cR && gAlice->TreeR())
+ }//D
+
+ if(cR&&fLoader->TreeR()){//R
+ CreateClusters();
+ for(Int_t i=0;i<kNCH;i++)
+ MakeBranchInTree(fLoader->TreeR(),Form("%sClusters%d",GetName(),i+1), &((*fClusters)[i]), kBufferSize, 0);
+ }//R
if(GetDebug())Info("MakeBranch","Stop.");
}//void AliRICH::MakeBranch(Option_t* option)
-//______________________________________________________________________________
+//__________________________________________________________________________________________________
void AliRICH::SetTreeAddress()
-{//Set branch address for the Hits and Digits Tree.
+{
+//Set branch address for the Hits and Digits Tree.
if(GetDebug())Info("SetTreeAddress","Start.");
-
- char branchname[20];
- Int_t i;
-
-
+
TBranch *branch;
- TTree *treeH = fLoader->TreeH();
- TTree *treeD = fLoader->TreeD();
- TTree *treeR = fLoader->TreeR();
- if(treeH){
+ if(fLoader->TreeH()){//H
if(GetDebug())Info("SetTreeAddress","tree H is requested.");
- if(fHits==0x0) fHits=new TClonesArray("AliRICHhit",1000);
-
- branch = treeH->GetBranch("RICHCerenkov");
- if(branch){
- if (fCerenkovs == 0x0) fCerenkovs = new TClonesArray("AliRICHCerenkov",1000);
- branch->SetAddress(&fCerenkovs);
- }
-
-//kir branch = treeH->GetBranch("RICHSDigits");
-//kir if (branch)
-//kir {
-//kir if (fSDigits == 0x0) fSDigits = new TClonesArray("AliRICHdigit",100000);
-//kir branch->SetAddress(&fSDigits);
-//kir }
- }//if(treeH)
-
+ CreateHits();//branch map will be in AliDetector::SetTreeAddress
+ }//H
AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
-
- if(fLoader->TreeS()){
+ if(fLoader->TreeS()){//S
if(GetDebug())Info("SetTreeAddress","tree S is requested.");
- if(!fSDigits) fSDigits=new TClonesArray("AliRICHdigit",100000);
- fLoader->TreeS()->GetBranch("RICH")->SetAddress(&fSDigits);
- }
-
+ branch=fLoader->TreeS()->GetBranch(GetName()); if(branch){CreateSDigits(); branch->SetAddress(&fSdigits);}
+ }//S
- if(treeD){
+ if(fLoader->TreeD()){//D
if(GetDebug())Info("SetTreeAddress","tree D is requested.");
-
- if (fDchambers == 0x0)
- {
- fDchambers = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fDchambers->AddAt(new TClonesArray("AliRICHDigit",10000), i);
- }
- }
-
- for (i=0; i<kNCH; i++) {
- sprintf(branchname,"%sDigits%d",GetName(),i+1);
- if (fDchambers) {
- branch = treeD->GetBranch(branchname);
- if (branch) branch->SetAddress(&((*fDchambers)[i]));
- }
- }
+ for(int i=0;i<kNCH;i++){
+ branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1));
+ if(branch){CreateDigits(); branch->SetAddress(&((*fDigitsNew)[i]));}
}
+ }//D
- if(treeR){
+ if(fLoader->TreeR()){//R
if(GetDebug())Info("SetTreeAddress","tree R is requested.");
-
- if (fRawClusters == 0x0 )
- {
- fRawClusters = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRawClusters->AddAt(new TClonesArray("AliRICHRawCluster",10000), i);
- }
- }
-
- if (fRecHits1D == 0x0)
- {
- fRecHits1D = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRecHits1D->AddAt(new TClonesArray("AliRICHRecHit1D",1000), i);
- }
- }
-
- if (fRecHits3D == 0x0)
- {
- fRecHits3D = new TObjArray(kNCH);
- for (i=0; i<kNCH ;i++)
- {
- fRecHits3D->AddAt(new TClonesArray("AliRICHRecHit3D",1000), i);
- }
- }
-
- for (i=0; i<kNCH; i++) {
- sprintf(branchname,"%sRawClusters%d",GetName(),i+1);
- if (fRawClusters) {
- branch = treeR->GetBranch(branchname);
- if (branch) branch->SetAddress(&((*fRawClusters)[i]));
- }
+ for(int i=0;i<kNCH;i++){
+ branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
+ if(branch){CreateClusters(); branch->SetAddress(&((*fClusters)[i]));}
}
-
- for (i=0; i<kNCH; i++) {
- sprintf(branchname,"%sRecHits1D%d",GetName(),i+1);
- if (fRecHits1D) {
- branch = treeR->GetBranch(branchname);
- if (branch) branch->SetAddress(&((*fRecHits1D)[i]));
- }
- }
-
- for (i=0; i<kNCH; i++) {
- sprintf(branchname,"%sRecHits3D%d",GetName(),i+1);
- if (fRecHits3D) {
- branch = treeR->GetBranch(branchname);
- if (branch) branch->SetAddress(&((*fRecHits3D)[i]));
- }
- }
-
- }//if(treeR)
+ }//R
if(GetDebug())Info("SetTreeAddress","Stop.");
}//void AliRICH::SetTreeAddress()
//__________________________________________________________________________________________________
void AliRICH::Print(Option_t *option)const
{
+//Debug printout
TObject::Print(option);
- fpParam->Dump();
+ P()->Dump();
fChambers->Print(option);
}//void AliRICH::Print(Option_t *option)const
//__________________________________________________________________________________________________
void AliRICH::CreateGeometry()
-{//Creates detailed geometry simulation (currently GEANT volumes tree)
+{
+//Creates detailed geometry simulation (currently GEANT volumes tree)
if(GetDebug())Info("CreateGeometry","Start.");
-//???????? to be removed to AliRICHParam?
- fpParam->RadiatorToPads(fpParam->FreonThickness()/2+fpParam->QuartzThickness()+fpParam->GapThickness());
-
//Opaque quartz thickness
- Float_t oqua_thickness = .5;
+ Float_t oquaThickness = .5;
//CsI dimensions
- Float_t csi_width =fpParam->Nx()*fpParam->PadSizeX()+fpParam->DeadZone();
- Float_t csi_length=fpParam->Ny()*fpParam->PadSizeY()+2*fpParam->DeadZone();
+ Float_t pcX=P()->PcSizeX();
+ Float_t pcY=P()->PcSizeY();
Int_t *idtmed = fIdtmed->GetArray()-999;
Float_t par[3];
//External aluminium box
- par[0]=68.8*kcm;par[1]=13*kcm;par[2]=70.86*kcm;//Original Settings
- gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
+ par[0]=68.8;par[1]=13;par[2]=70.86; gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
//Air
- par[0]=66.3; par[1] = 13; par[2] = 68.35; //Original Settings
- gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
+ par[0]=66.3; par[1] = 13; par[2] = 68.35; gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
//Air 2 (cutting the lower part of the box)
- par[0]=1.25; par[1] = 3; par[2] = 70.86; //Original Settings
- gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
+ par[0]=1.25; par[1] = 3; par[2] = 70.86; gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
//Air 3 (cutting the lower part of the box)
- par[0]=66.3; par[1] = 3; par[2] = 1.2505; //Original Settings
- gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
+ par[0]=66.3; par[1] = 3; par[2] = 1.2505; gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
//Honeycomb
- par[0]=66.3;par[1]=0.188; par[2] = 68.35; //Original Settings
- gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
+ par[0]=66.3;par[1]=0.188; par[2] = 68.35; gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
//Aluminium sheet
- par[0]=66.3;par[1]=0.025;par[2]=68.35; //Original Settings
+ par[0]=66.3;par[1]=0.025;par[2]=68.35; gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
//par[0] = 66.5; par[1] = .025; par[2] = 63.1;
- gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
//Quartz
- par[0]=fpParam->QuartzWidth()/2;par[1]=fpParam->QuartzThickness()/2;par[2]=fpParam->QuartzLength()/2;
+ par[0]=P()->QuartzWidth()/2;par[1]=P()->QuartzThickness()/2;par[2]=P()->QuartzLength()/2;
gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
//Spacers (cylinders)
- par[0]=0.;par[1]=.5;par[2]=fpParam->FreonThickness()/2;
- gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
+ par[0]=0.;par[1]=.5;par[2]=P()->FreonThickness()/2; gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
//Feet (freon slabs supports)
- par[0] = .7; par[1] = .3; par[2] = 1.9;
- gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
+ par[0] = .7; par[1] = .3; par[2] = 1.9; gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
//Opaque quartz
- par[0]=fpParam->QuartzWidth()/2;par[1]= .2;par[2]=fpParam->QuartzLength()/2;
+ par[0]=P()->QuartzWidth()/2;par[1]= .2;par[2]=P()->QuartzLength()/2;
gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
//Frame of opaque quartz
- par[0]=fpParam->OuterFreonWidth()/2;par[1]=fpParam->FreonThickness()/2;par[2]=fpParam->OuterFreonLength()/2;
+ par[0]=P()->OuterFreonWidth()/2;par[1]=P()->FreonThickness()/2;par[2]=P()->OuterFreonLength()/2;
gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
- par[0]=fpParam->InnerFreonWidth()/2;par[1]=fpParam->FreonThickness()/2;par[2]=fpParam->InnerFreonLength()/2;
+ par[0]=P()->InnerFreonWidth()/2;par[1]=P()->FreonThickness()/2;par[2]=P()->InnerFreonLength()/2;
gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
//Freon
- par[0]=fpParam->OuterFreonWidth()/2 - oqua_thickness;
- par[1]=fpParam->FreonThickness()/2;
- par[2]=fpParam->OuterFreonLength()/2 - 2*oqua_thickness;
+ par[0]=P()->OuterFreonWidth()/2 - oquaThickness;
+ par[1]=P()->FreonThickness()/2;
+ par[2]=P()->OuterFreonLength()/2 - 2*oquaThickness;
gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
- par[0]=fpParam->InnerFreonWidth()/2 - oqua_thickness;
- par[1]=fpParam->FreonThickness()/2;
- par[2]=fpParam->InnerFreonLength()/2 - 2*oqua_thickness;
+ par[0]=P()->InnerFreonWidth()/2 - oquaThickness;
+ par[1]=P()->FreonThickness()/2;
+ par[2]=P()->InnerFreonLength()/2 - 2*oquaThickness;
gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
//Methane
- par[0]=csi_width/2;par[1]=fpParam->GapThickness()/2;par[2]=csi_length/2;
- gMC->Gsvolu("META", "BOX ", idtmed[1004], par, 3);
+ par[0]=pcX/2;par[1]=P()->GapThickness()/2;par[2]=pcY/2; gMC->Gsvolu("META","BOX ",idtmed[1004], par, 3);
//Methane gap
- par[0]=csi_width/2;par[1]=fpParam->ProximityGapThickness()/2;par[2] = csi_length/2;
- gMC->Gsvolu("GAP ", "BOX ", idtmed[1008], par, 3);
-//CsI photocathode
- par[0]=csi_width/2;par[1]=.25;par[2]=csi_length/2;
- gMC->Gsvolu("CSI ", "BOX ", idtmed[1005], par, 3);
+ par[0]=pcX/2;par[1]=P()->ProximityGap()/2;par[2]=pcY/2;gMC->Gsvolu("GAP ","BOX ",(*fIdtmed)[kGAP],par,3);
+//CsI PC
+ par[0]=pcX/2;par[1]=.25;par[2]=pcY/2; gMC->Gsvolu("CSI ", "BOX ", (*fIdtmed)[kCSI], par, 3);
//Anode grid
- par[0] = 0.;par[1] = .001;par[2] = 20.;
- gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
+ par[0] = 0.;par[1] = .001;par[2] = 20.; gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
//Wire supports
//Bar of metal
- par[0]=csi_width/2;par[1]=1.05;par[2]=1.05;
- gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
+ par[0]=pcX/2;par[1]=1.05;par[2]=1.05; gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
//Ceramic pick up (base)
- par[0]=csi_width/2;par[1]= .25;par[2]=1.05;
- gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
+ par[0]=pcX/2;par[1]= .25;par[2]=1.05; gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
//Ceramic pick up (head)
- par[0] = csi_width/2;par[1] = .1;par[2] = .1;
- gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
+ par[0] = pcX/2;par[1] = .1;par[2] = .1; gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
//Aluminium supports for methane and CsI
//Short bar
- par[0]=csi_width/2;par[1]=fpParam->GapThickness()/2 + .25; par[2] = (68.35 - csi_length/2)/2;
+ par[0]=pcX/2;par[1]=P()->GapThickness()/2 + .25; par[2] = (68.35 - pcY/2)/2;
gMC->Gsvolu("SMSH", "BOX", idtmed[1009], par, 3);
//Long bar
- par[0]=(66.3 - csi_width/2)/2;par[1]=fpParam->GapThickness()/2+.25;par[2]=csi_length/2+68.35-csi_length/2;
+ par[0]=(66.3 - pcX/2)/2;par[1]=P()->GapThickness()/2+.25;par[2]=pcY/2+68.35-pcY/2;
gMC->Gsvolu("SMLG", "BOX", idtmed[1009], par, 3);
//Aluminium supports for freon
//Short bar
- par[0] = fpParam->QuartzWidth()/2; par[1] = .3; par[2] = (68.35 - fpParam->QuartzLength()/2)/2;
+ par[0] = P()->QuartzWidth()/2; par[1] = .3; par[2] = (68.35 - P()->QuartzLength()/2)/2;
gMC->Gsvolu("SFSH", "BOX", idtmed[1009], par, 3);
//Long bar
- par[0] = (66.3 - fpParam->QuartzWidth()/2)/2; par[1] = .3;
- par[2] = fpParam->QuartzLength()/2 + 68.35 - fpParam->QuartzLength()/2;
+ par[0] = (66.3 - P()->QuartzWidth()/2)/2; par[1] = .3;
+ par[2] = P()->QuartzLength()/2 + 68.35 - P()->QuartzLength()/2;
gMC->Gsvolu("SFLG", "BOX", idtmed[1009], par, 3);
//PCB backplane
- par[0] = csi_width/2;par[1] = .25; par[2] = csi_length/4 -.5025;
- gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
+ par[0] = pcX/2;par[1] = .25; par[2] = pcY/4 -.5025; gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
//Backplane supports
//Aluminium slab
- par[0] = 33.15;par[1] = 2;par[2] = 21.65;
- gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);
+ par[0] = 33.15;par[1] = 2;par[2] = 21.65; gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);
//Big hole
- par[0] = 9.05; par[1] = 2; par[2] = 4.4625;
- gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
+ par[0] = 9.05; par[1] = 2; par[2] = 4.4625; gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
//Small hole
- par[0] = 5.7;par[1] = 2;par[2] = 4.4625;
- gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
+ par[0] = 5.7;par[1] = 2;par[2] = 4.4625; gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
//Place holes inside backplane support
gMC->Gspos("BKHS", 1, "BACK", .8 + 5.7,0., .6 + 4.4625, 0, "ONLY");
gMC->Gspos("BKHS", 2, "BACK", -.8 - 5.7,0., .6 + 4.4625, 0, "ONLY");
gMC->Gspos("BKHL", 8, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
//Place material inside RICH
gMC->Gspos("SRIC", 1, "RICH", 0.,0., 0., 0, "ONLY");
- gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276-fpParam->GapThickness()/2-fpParam->QuartzThickness()-fpParam->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
- gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505,1.276-fpParam->GapThickness()/2-fpParam->QuartzThickness()-fpParam->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
- gMC->Gspos("AIR3", 1, "RICH", 0., 1.276-fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
- gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 68.35 + 1.25, 0, "ONLY");
- gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
- gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
- gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
- gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
- gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
- gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()- .2, 0., 0, "ONLY");
+ gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276-P()->GapThickness()/2-P()->QuartzThickness()-P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+ gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505,1.276-P()->GapThickness()/2-P()->QuartzThickness()-P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+ gMC->Gspos("AIR3", 1, "RICH", 0., 1.276-P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
+ gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 68.35 + 1.25, 0, "ONLY");
+ gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
+ gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
+ gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
+ gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()- .2, 0., 0, "ONLY");
// Methane supports
- gMC->Gspos("SMLG", 1, "SRIC", csi_width/2 + (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
- gMC->Gspos("SMLG", 2, "SRIC", - csi_width/2 - (66.3 - csi_width/2)/2, 1.276 + .25, 0., 0, "ONLY");
- gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, csi_length/2 + (68.35 - csi_length/2)/2, 0, "ONLY");
- gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - csi_length/2 - (68.35 - csi_length/2)/2, 0, "ONLY");
+ gMC->Gspos("SMLG", 1, "SRIC", pcX/2 + (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+ gMC->Gspos("SMLG", 2, "SRIC", - pcX/2 - (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+ gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, pcY/2 + (68.35 - pcY/2)/2, 0, "ONLY");
+ gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - pcY/2 - (68.35 - pcY/2)/2, 0, "ONLY");
//Freon supports
- Float_t supp_y = 1.276 - fpParam->GapThickness()/2- fpParam->QuartzThickness() -fpParam->FreonThickness() - .2 + .3; //y position of freon supports
- gMC->Gspos("SFLG", 1, "SRIC", fpParam->QuartzWidth()/2 + (66.3 - fpParam->QuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
- gMC->Gspos("SFLG", 2, "SRIC", - fpParam->QuartzWidth()/2 - (66.3 - fpParam->QuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
- gMC->Gspos("SFSH", 1, "SRIC", 0., supp_y, fpParam->QuartzLength()/2 + (68.35 - fpParam->QuartzLength()/2)/2, 0, "ONLY");
- gMC->Gspos("SFSH", 2, "SRIC", 0., supp_y, - fpParam->QuartzLength()/2 - (68.35 - fpParam->QuartzLength()/2)/2, 0, "ONLY");
+ Float_t suppY = 1.276 - P()->GapThickness()/2- P()->QuartzThickness() -P()->FreonThickness() - .2 + .3; //y position of freon supports
+ gMC->Gspos("SFLG", 1, "SRIC", P()->QuartzWidth()/2 + (66.3 - P()->QuartzWidth()/2)/2, suppY, 0., 0, "ONLY");
+ gMC->Gspos("SFLG", 2, "SRIC", - P()->QuartzWidth()/2 - (66.3 - P()->QuartzWidth()/2)/2, suppY, 0., 0, "ONLY");
+ gMC->Gspos("SFSH", 1, "SRIC", 0., suppY, P()->QuartzLength()/2 + (68.35 - P()->QuartzLength()/2)/2, 0, "ONLY");
+ gMC->Gspos("SFSH", 2, "SRIC", 0., suppY, - P()->QuartzLength()/2 - (68.35 - P()->QuartzLength()/2)/2, 0, "ONLY");
AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
//Place spacers
Int_t nspacers = 30;
}
gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("OQF1", 1, "SRIC", fpParam->OuterFreonWidth()/2 + fpParam->InnerFreonWidth()/2 + 2, 1.276 - fpParam->GapThickness()/2- fpParam->QuartzThickness() -fpParam->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
- gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()/2, 0., 0, "ONLY"); //Original settings
- gMC->Gspos("OQF1", 3, "SRIC", - (fpParam->OuterFreonWidth()/2 + fpParam->InnerFreonWidth()/2) - 2, 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness() - fpParam->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3)
- gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - fpParam->GapThickness()/2 - fpParam->QuartzThickness()/2, 0., 0, "ONLY");
- gMC->Gspos("GAP ", 1, "META", 0., fpParam->GapThickness()/2 - fpParam->ProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
+ gMC->Gspos("OQF1", 1, "SRIC", P()->OuterFreonWidth()/2 + P()->InnerFreonWidth()/2 + 2, 1.276 - P()->GapThickness()/2- P()->QuartzThickness() -P()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
+ gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("OQF1", 3, "SRIC", - (P()->OuterFreonWidth()/2 + P()->InnerFreonWidth()/2) - 2, 1.276 - P()->GapThickness()/2 - P()->QuartzThickness() - P()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3)
+ gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - P()->GapThickness()/2 - P()->QuartzThickness()/2, 0., 0, "ONLY");
+ gMC->Gspos("GAP ", 1, "META", 0., P()->GapThickness()/2 - P()->ProximityGap()/2 - 0.0001, 0., 0, "ONLY");
gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
- gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + fpParam->GapThickness()/2 + .25, 0., 0, "ONLY");
+ gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + P()->GapThickness()/2 + .25, 0., 0, "ONLY");
//Wire support placing
- gMC->Gspos("WSG2", 1, "GAP ", 0., fpParam->ProximityGapThickness()/2 - .1, 0., 0, "ONLY");
+ gMC->Gspos("WSG2", 1, "GAP ", 0., P()->ProximityGap()/2 - .1, 0., 0, "ONLY");
gMC->Gspos("WSG1", 1, "CSI ", 0., 0., 0., 0, "ONLY");
- gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + fpParam->GapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
+ gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + P()->GapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
//Backplane placing
- gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
- gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
- gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
- gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
- gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
- gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + fpParam->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+ gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+ gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + P()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
//PCB placing
- gMC->Gspos("PCB ", 1, "SRIC ", 0., 1.276 + fpParam->GapThickness()/2 + .5 + 1.05, csi_width/4 + .5025 + 2.5, 0, "ONLY");
- gMC->Gspos("PCB ", 2, "SRIC ", 0., 1.276 + fpParam->GapThickness()/2 + .5 + 1.05, -csi_width/4 - .5025 - 2.5, 0, "ONLY");
+ gMC->Gspos("PCB ", 1, "SRIC ", 0., 1.276 + P()->GapThickness()/2 + .5 + 1.05, pcX/4 + .5025 + 2.5, 0, "ONLY");
+ gMC->Gspos("PCB ", 2, "SRIC ", 0., 1.276 + P()->GapThickness()/2 + .5 + 1.05, -pcX/4 - .5025 - 2.5, 0, "ONLY");
//place chambers into mother volume ALIC
for(int i=1;i<=kNCH;i++){
if(GetDebug())Info("CreateGeometry","Stop.");
}//void AliRICH::CreateGeometry()
-//______________________________________________________________________________
+//__________________________________________________________________________________________________
void AliRICH::CreateChambers()
-{//(re)create all RICH Chambers
- if(GetDebug())Info("CreateChambers","Start.");
-
- if(fChambers) delete fChambers;//recreate chambers
+{
+//create all RICH Chambers on each call. Previous chambers deleted
+ if(fChambers) delete fChambers;
+ if(GetDebug())Info("CreateChambers","Creating RICH chambers.");
fChambers=new TObjArray(kNCH);
fChambers->SetOwner();
- for(int i=0;i<kNCH;i++){
- fChambers->AddAt(new AliRICHChamber(i+1,fpParam),i);
- }
-
- if(GetDebug())Info("CreateChambers","Stop.");
+ for(int i=0;i<kNCH;i++) fChambers->AddAt(new AliRICHChamber(i+1,P()),i);
}//void AliRICH::CreateChambers()
//__________________________________________________________________________________________________
-void AliRICH::GenerateFeedbacks(Float_t eloss)
-{// Generate FeedBack photons
- Int_t j;
- Float_t cthf, phif, enfp = 0, sthf;
- Float_t e1[3], e2[3], e3[3];
- Float_t vmod, uswop;
- Float_t dir[3], phi;
- Float_t pol[3], mom[4];
-//Determine number of feedback photons
+void AliRICH::GenerateFeedbacks(Int_t iChamber,Float_t eloss)
+{
+// Generate FeedBack photons
+// eloss=0 means photon so only pulse height distribution is to be analysed. This one is done in AliRICHParam::TotQdc()
+
TLorentzVector x4;
- gMC->TrackPosition(x4);//This sould return the current track position
- Float_t charge=Param()->TotalCharge(gMC->TrackPid(),eloss,5*kcm);//??? Totsl Charge
- Int_t iNphotons=gMC->GetRandom()->Poisson(Param()->AlphaFeedback()*charge);
- Info("GenerateFeedbacks","N photons=%i",iNphotons);
+ gMC->TrackPosition(x4);
+ TVector2 x2=C(iChamber)->Glob2Loc(x4);
+ Int_t sector=P()->Sector(x2); if(sector==kBad) return; //hit in dead zone nothing to produce
+ Int_t iTotQdc=P()->TotQdc(x2,eloss);
+ Int_t iNphotons=gMC->GetRandom()->Poisson(P()->AlphaFeedback(sector)*iTotQdc);
+ if(GetDebug())Info("GenerateFeedbacks","N photons=%i",iNphotons);
+ Int_t j;
+ Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4];
//Generate photons
- for(Int_t i=0;i<iNphotons;i++){
+ for(Int_t i=0;i<iNphotons;i++){//feedbacks loop
Double_t ranf[2];
gMC->GetRandom()->RndmArray(2,ranf); //Sample direction
cthf=ranf[0]*2-1.0;
e3[j]=uswop;
}
- vmod=0;
- for(j=0;j<3;j++) vmod+=e1[j]*e1[j];
- vmod=TMath::Sqrt(1/vmod);
- for(j=0;j<3;j++) e1[j]*=vmod;
-
- vmod=0;
- for(j=0;j<3;j++) vmod+=e2[j]*e2[j];
- vmod=TMath::Sqrt(1/vmod);
- for(j=0;j<3;j++) e2[j]*=vmod;
+ vmod=0; for(j=0;j<3;j++) vmod+=e1[j]*e1[j]; vmod=TMath::Sqrt(1/vmod); for(j=0;j<3;j++) e1[j]*=vmod;
+ vmod=0; for(j=0;j<3;j++) vmod+=e2[j]*e2[j]; vmod=TMath::Sqrt(1/vmod); for(j=0;j<3;j++) e2[j]*=vmod;
phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi();
for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi);
gMC->Gdtom(pol, pol, 2);
Int_t outputNtracksStored;
- gAlice->PushTrack(1, //do not transport
- gAlice->GetCurrentTrackNumber(),//parent track
+ gAlice->GetMCApp()->PushTrack(1, //do not transport
+ gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track
kFeedback, //PID
mom[0],mom[1],mom[2],mom[3], //track momentum
x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin
pol[0],pol[1],pol[2], //polarization
- kPFeedBackPhoton,outputNtracksStored,1.0);
-
- }
-}//Int_t AliRICH::FeedBackPhotons()
+ kPFeedBackPhoton,
+ outputNtracksStored,
+ 1.0);
+ }//feedbacks loop
+}//GenerateFeedbacks()
//__________________________________________________________________________________________________
-static Int_t sMaxIterPad=0; // Static variables for the pad-hit iterator routines
-static Int_t sCurIterPad=0;
-//__________________________________________________________________________________________________
-AliRICHSDigit* AliRICH::FirstPad(AliRICHhit* hit,TClonesArray *clusters )
-{// Initialise the pad iterator Return the address of the first sdigit for hit
- TClonesArray *theClusters = clusters;
- Int_t nclust = theClusters->GetEntriesFast();
- if (nclust && hit->PHlast() > 0) {
- sMaxIterPad=Int_t(hit->PHlast());
- sCurIterPad=Int_t(hit->PHfirst());
- return (AliRICHSDigit*) clusters->UncheckedAt(sCurIterPad-1);
- } else {
- return 0;
- }
-
-}
-//__________________________________________________________________________________________________
-AliRICHSDigit* AliRICH::NextPad(TClonesArray *clusters)
-{// Iterates over pads
-
- sCurIterPad++;
- if (sCurIterPad <= sMaxIterPad) {
- return (AliRICHSDigit*) clusters->UncheckedAt(sCurIterPad-1);
- } else {
- return 0;
- }
+void AliRICH::Reconstruct() const
+{
+// reconstruct clusters
+
+ AliRICHClusterFinder clusterer(const_cast<AliRICH*>(this));
+ clusterer.Exec();
}
-//__________________________________________________________________________________________________
+