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1 | |
| 2 | // ************************************************************************** |
| 3 | // * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 4 | // * * |
| 5 | // * Author: The ALICE Off-line Project. * |
| 6 | // * Contributors are mentioned in the code where appropriate. * |
| 7 | // * * |
| 8 | // * Permission to use, copy, modify and distribute this software and its * |
| 9 | // * documentation strictly for non-commercial purposes is hereby granted * |
| 10 | // * without fee, provided that the above copyright notice appears in all * |
| 11 | // * copies and that both the copyright notice and this permission notice * |
| 12 | // * appear in the supporting documentation. The authors make no claims * |
| 13 | // * about the suitability of this software for any purpose. It is * |
| 14 | // * provided "as is" without express or implied warranty. * |
| 15 | // ************************************************************************** |
| 16 | |
| 17 | |
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18 | #include "AliHMPIDv2.h" //class header |
| 19 | #include "AliHMPIDParam.h" //StepManager() |
| 20 | #include "AliHMPIDHit.h" //Hits2SDigs(),StepManager() |
| 21 | #include "AliHMPIDDigit.h" //Digits2Raw(), Raw2SDigits() |
| 22 | #include "AliRawReader.h" //Raw2SDigits() |
| 23 | #include <TVirtualMC.h> //StepManager() for gMC |
| 24 | #include <TPDGCode.h> //StepHistory() |
| 25 | #include <AliStack.h> //StepManager(),Hits2SDigits()78.6 |
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26 | #include <AliLoader.h> //Hits2SDigits() |
| 27 | #include <AliRunLoader.h> //Hits2SDigits() |
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28 | #include <AliMC.h> //StepManager() |
| 29 | #include <AliRun.h> //CreateMaterials() |
| 30 | #include <AliMagF.h> //CreateMaterials() |
| 31 | #include <TGeoManager.h> //CreateGeometry() |
| 32 | #include <TF1.h> //DefineOpticalProperties() |
| 33 | #include <TF2.h> //DefineOpticalProperties() |
| 34 | #include <TLorentzVector.h> //IsLostByFresnel() |
| 35 | #include <AliCDBManager.h> //CreateMaterials() |
| 36 | #include <AliCDBEntry.h> //CreateMaterials() |
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37 | #include <TGeoPhysicalNode.h> //AddAlignableVolumes() |
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38 | |
| 39 | ClassImp(AliHMPIDv2) |
| 40 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 41 | void AliHMPIDv2::AddAlignableVolumes()const |
| 42 | { |
| 43 | // Associates the symbolic volume name with the corresponding volume path. Interface method from AliModule invoked from AliMC |
| 44 | // Arguments: none |
| 45 | // Returns: none |
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46 | |
| 47 | TGeoHMatrix *pGm = new TGeoHMatrix; |
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48 | Double_t trans[3]={0.5*AliHMPIDDigit::SizeAllX(),0.5*AliHMPIDDigit::SizeAllY(),0}; //clm: translation from LORS to TGeo RS |
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49 | pGm->SetTranslation(trans); |
| 50 | |
| 51 | for(Int_t i=AliHMPIDDigit::kMinCh;i<=AliHMPIDDigit::kMaxCh;i++) { |
| 52 | TGeoPNEntry *pPn=gGeoManager->SetAlignableEntry(Form("/HMPID/Chamber%i",i),Form("ALIC_1/Hmp_%i",i)); |
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53 | if(pPn) pPn->SetMatrix(pGm); |
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54 | } |
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55 | } |
| 56 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 57 | void AliHMPIDv2::CreateMaterials() |
| 58 | { |
| 59 | // Definition of available HMPID materials |
| 60 | // Arguments: none |
| 61 | // Returns: none |
| 62 | AliDebug(1,"Start v2 HMPID."); |
| 63 | |
| 64 | //clm update material definition later on from Antonello |
| 65 | |
| 66 | //data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm] |
| 67 | Float_t aAir[4]={12,14,16,36} , zAir[4]={6,7,8,18} , wAir[4]={0.000124,0.755267,0.231781,0.012827} , dAir=0.00120479; Int_t nAir=4;//mixture 0.9999999 |
| 68 | Float_t aC6F14[2]={ 12.01 , 18.99} , zC6F14[2]={ 6 , 9} , wC6F14[2]={6 , 14} , dC6F14=1.68 ; Int_t nC6F14=-2; |
| 69 | Float_t aSiO2[2]={ 28.09 , 15.99} , zSiO2[2]={14 , 8} , wSiO2[2]={1 , 2} , dSiO2=2.64 ; Int_t nSiO2=-2; |
| 70 | Float_t aCH4[2]={ 12.01 , 1.01} , zCH4[2]={ 6 , 1} , wCH4[2]={1 , 4} , dCH4=7.17e-4 ; Int_t nCH4=-2; |
| 71 | Float_t aCsI[2]={132.90 ,126.90} , zCsI[2]={55 ,53} , wCsI[2]={1 , 1} , dCsI=0.1 ; Int_t nCsI=-2; |
| 72 | |
| 73 | Float_t aRoha= 12.01 , zRoha= 6 , dRoha= 0.10 , radRoha= 18.80 , absRoha= 86.3/dRoha; //special material- quasi quartz |
| 74 | Float_t aCu= 63.55 , zCu= 29 , dCu= 8.96 , radCu= 1.43 , absCu= 134.9/dCu ; |
| 75 | Float_t aW=183.84 , zW= 74 , dW= 19.30 , radW= 0.35 , absW= 185.0/dW ; |
| 76 | Float_t aAl= 26.98 , zAl= 13 , dAl= 2.70 , radAl= 8.90 , absAl= 106.4/dAl ; |
| 77 | Float_t aAr= 39.94 , zAr= 18 , dAr= 1.396e-3, radAr= 14.0 , absAr= 117.2/dAr ; |
| 78 | |
| 79 | Int_t matId=0; //tmp material id number |
| 80 | Int_t unsens = 0, sens=1; //sensitive or unsensitive medium |
| 81 | Int_t itgfld = gAlice->Field()->Integ(); //type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z |
| 82 | Float_t maxfld = gAlice->Field()->Max(); //max field value |
| 83 | Float_t tmaxfd = -10.0; //max deflection angle due to magnetic field in one step |
| 84 | Float_t deemax = - 0.2; //max fractional energy loss in one step |
| 85 | Float_t stemax = - 0.1; //mas step allowed [cm] |
| 86 | Float_t epsil = 0.001; //abs tracking precision [cm] |
| 87 | Float_t stmin = - 0.001; //min step size [cm] in continius process transport, negative value: choose it automatically |
| 88 | |
| 89 | AliMixture(++matId,"Air" ,aAir ,zAir ,dAir ,nAir ,wAir ); AliMedium(kAir ,"Air" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 90 | AliMixture(++matId,"C6F14",aC6F14,zC6F14,dC6F14,nC6F14,wC6F14); AliMedium(kC6F14,"C6F14",matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 91 | AliMixture(++matId,"SiO2" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kSiO2 ,"SiO2" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 92 | AliMixture(++matId,"CH4" ,aCH4 ,zCH4 ,dCH4 ,nCH4 ,wCH4 ); AliMedium(kCH4 ,"CH4" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 93 | AliMixture(++matId,"CsI" ,aCsI ,zCsI ,dCsI ,nCsI ,wCsI ); AliMedium(kCsI ,"CsI" ,matId, sens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);//sensitive |
| 94 | |
| 95 | AliMixture(++matId ,"Neo" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kNeo,"Neo" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //clm neoceram |
| 96 | AliMaterial(++matId,"Roha",aRoha,zRoha,dRoha,radRoha,absRoha); AliMedium(kRoha,"Roha", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //Roha->honeycomb |
| 97 | |
| 98 | |
| 99 | AliMaterial(++matId,"Cu" ,aCu ,zCu ,dCu ,radCu ,absCu ); AliMedium(kCu ,"Cu" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 100 | AliMaterial(++matId,"W" ,aW ,zW ,dW ,radW ,absW ); AliMedium(kW ,"W" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 101 | AliMaterial(++matId,"Al" ,aAl ,zAl ,dAl ,radAl ,absAl ); AliMedium(kAl ,"Al" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
| 102 | AliMaterial(++matId,"Ar" ,aAr ,zAr ,dAr ,radAr ,absAr ); AliMedium(kAr ,"Ar" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); |
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103 | }//void AliHMPID::CreateMaterials() |
| 104 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 105 | void AliHMPIDv2::CreateGeometry() |
| 106 | { |
| 107 | //Creates detailed geometry simulation (currently GEANT volumes tree) |
| 108 | AliDebug(1,"Start main."); |
| 109 | if(!gMC->IsRootGeometrySupported()) return; |
| 110 | |
| 111 | Double_t cm=1,mm=0.1*cm,um=0.001*mm;//default is cm |
| 112 | |
| 113 | TGeoMedium *al =gGeoManager->GetMedium("HMPID_Al"); |
| 114 | TGeoMedium *ch4 =gGeoManager->GetMedium("HMPID_CH4"); |
| 115 | TGeoMedium *roha =gGeoManager->GetMedium("HMPID_Roha"); |
| 116 | TGeoMedium *neoc =gGeoManager->GetMedium("HMPID_Neo"); |
| 117 | TGeoMedium *c6f14=gGeoManager->GetMedium("HMPID_C6F14"); |
| 118 | TGeoMedium *sio2 =gGeoManager->GetMedium("HMPID_SiO2"); |
| 119 | TGeoMedium *cu =gGeoManager->GetMedium("HMPID_Cu"); |
| 120 | TGeoMedium *w =gGeoManager->GetMedium("HMPID_W"); |
| 121 | TGeoMedium *csi =gGeoManager->GetMedium("HMPID_CsI"); |
| 122 | TGeoMedium *ar =gGeoManager->GetMedium("HMPID_Ar"); |
| 123 | |
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124 | TGeoVolume *hmp=gGeoManager->MakeBox ("Hmp",ch4,1681*mm/2, 1466*mm/2,(2*80*mm+2*60*mm)/2);//2033P1 z from p84 TDR |
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125 | |
| 126 | TString title=GetTitle(); |
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127 | if(title.Contains("TestBeam")){ |
| 128 | gGeoManager->GetVolume("ALIC")->AddNode(hmp,0); |
| 129 | }else{ |
| 130 | for(Int_t iCh=AliHMPIDDigit::kMinCh;iCh<=AliHMPIDDigit::kMaxCh;iCh++){//place 7 chambers |
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131 | TGeoHMatrix *pMatrix=new TGeoHMatrix; |
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132 | IdealPosition(iCh,pMatrix); |
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133 | gGeoManager->GetVolume("ALIC")->AddNode(hmp,iCh,pMatrix); |
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134 | } |
| 135 | } |
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136 | |
| 137 | TGeoRotation *rot=new TGeoRotation("HwireRot"); rot->RotateY(90); //rotate wires around Y to be along X (initially along Z) |
| 138 | TGeoVolume *sbo=gGeoManager->MakeBox ("Hsbo",ch4 , 1419*mm/2 , 1378.00*mm/2 , 50.5*mm/2);//2072P1 |
| 139 | TGeoVolume *cov=gGeoManager->MakeBox ("Hcov",al , 1419*mm/2 , 1378.00*mm/2 , 0.5*mm/2); |
| 140 | TGeoVolume *hon=gGeoManager->MakeBox ("Hhon",roha , 1359*mm/2 , 1318.00*mm/2 , 49.5*mm/2); |
| 141 | TGeoVolume *rad=gGeoManager->MakeBox ("Hrad",c6f14, 1330*mm/2 , 413.00*mm/2 , 24.0*mm/2); //2011P1 |
| 142 | TGeoVolume *neo=gGeoManager->MakeBox ("Hneo",neoc , 1330*mm/2 , 413.00*mm/2 , 4.0*mm/2); |
| 143 | TGeoVolume *win=gGeoManager->MakeBox ("Hwin",sio2 , 1330*mm/2 , 413.00*mm/2 , 5.0*mm/2); |
| 144 | TGeoVolume *si1=gGeoManager->MakeBox ("Hsi1",sio2 , 1330*mm/2 , 5.00*mm/2 , 15.0*mm/2); |
| 145 | TGeoVolume *si2=gGeoManager->MakeBox ("Hsi2",neoc , 10*mm/2 , 403.00*mm/2 , 15.0*mm/2); |
| 146 | TGeoVolume *spa=gGeoManager->MakeTube("Hspa",sio2 , 0*mm , 5.00*mm , 15.0*mm/2); |
| 147 | TGeoVolume *fr4=gGeoManager->MakeBox ("Hfr4",ch4 , 1407*mm/2 , 1366.00*mm/2 , 15.0*mm/2);//2043P1 |
| 148 | TGeoVolume *f4a=gGeoManager->MakeBox ("Hf4a",al , 1407*mm/2 , 1366.00*mm/2 , 10.0*mm/2); |
| 149 | TGeoVolume *f4i=gGeoManager->MakeBox ("Hf4i",ch4 , 1323*mm/2 , 1296.00*mm/2 , 10.0*mm/2); |
| 150 | TGeoVolume *col=gGeoManager->MakeTube("Hcol",cu , 0*mm , 100.00*um , 1323.0*mm/2); |
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151 | TGeoVolume *sec=gGeoManager->MakeBox ("Hsec",ch4 , 648*mm/2 , 411.00*mm/2 , 6.2*mm/2);//sec=gap |
| 152 | |
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153 | Double_t cellx=8.04*mm,celly=8.4*mm; Int_t nPadX=80, nPadY=48; |
| 154 | TGeoVolume *gap=gGeoManager->MakeBox ("Hgap",ch4 , cellx*nPadX/2 , celly*nPadY/2 , 6.2*mm/2); //x=8.04*80 y=8.4*48 z=pad+pad-ano+marign 2006p1 |
| 155 | TGeoVolume *row= gap->Divide ("Hrow",2,nPadY,0,0);//along Y->48 rows |
| 156 | TGeoVolume *cel= row->Divide ("Hcel",1,nPadX,0,0);//along X->80 cells |
| 157 | TGeoVolume *cat=gGeoManager->MakeTube("Hcat",cu , 0.00*mm , 50.00*um , cellx/2); |
| 158 | TGeoVolume *ano=gGeoManager->MakeTube("Hano",w , 0.00*mm , 20.00*um , cellx/2); |
| 159 | TGeoVolume *pad=gGeoManager->MakeBox ("Hpad",csi , 7.54*mm/2 , 7.90*mm/2 , 1.7*mm/2); //2006P1 |
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160 | TGeoVolume *fr1=gGeoManager->MakeBox ("Hfr1",al , 1463*mm/2 , 1422.00*mm/2 , 58.3*mm/2);//2040P1 |
| 161 | TGeoVolume *fr1up=gGeoManager->MakeBox ("Hfr1up",ch4,(1426.00-37.00)*mm/2 , (1385.00-37.00)*mm/2 , 20.0*mm/2);//2040P1 |
| 162 | TGeoVolume *fr1perUpBig=gGeoManager->MakeBox ("Hfr1perUpBig",ch4,1389*mm/2,35*mm/2,10*mm/2); |
| 163 | TGeoVolume *fr1perUpSma=gGeoManager->MakeBox ("Hfr1perUpSma",ch4,35*mm/2,(1385-37-2*35)*mm/2,10*mm/2); |
| 164 | TGeoVolume *fr1perDowBig=gGeoManager->MakeBox ("Hfr1perDowBig",ch4,1389*mm/2,46*mm/2,2.3*mm/2); |
| 165 | TGeoVolume *fr1perDowSma=gGeoManager->MakeBox ("Hfr1perDowSma",ch4,46*mm/2,(1385-37-2*46)*mm/2,2.3*mm/2); |
| 166 | |
| 167 | TGeoVolume *ppf=gGeoManager->MakeBox ("Hppf",al , 648*mm/2 , 411.00*mm/2 , 38.3*mm/2);//2001P2 |
| 168 | TGeoVolume *lar=gGeoManager->MakeBox ("Hlar",ar , 181*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2 |
| 169 | TGeoVolume *smo=gGeoManager->MakeBox ("Hsmo",ar , 114*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2 |
| 170 | |
| 171 | |
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172 | // ^ Y z= z=-12mm z=98.25mm ALIC->7xHmp (virtual)-->1xHsbo (virtual) --->2xHcov (real) 2072P1 |
| 173 | // | ____________________________________ | |-->1xHhon (real) 2072P1 |
| 174 | // | | ______ ____ ______ | | |
| 175 | // | | | | | * | | | |->3xHrad (virtual) --->1xHneo (real) 2011P1 |
| 176 | // | |50.5mm| |24mm| * |45.5mm| | | |-->1xHwin (real) 2011P1 |
| 177 | // | | | | | * | | | | |-->2xHsi1 (real) 2011P1 |
| 178 | // | | | |____| * |______| | | |-->2xHsi2 (real) 2011P1 |
| 179 | // | | | ____ * ______ | | |->30xHspa (real) 2011P1 |
| 180 | // | | | | | * | | | | |
| 181 | // | | | | | * | | | |->1xHfr4 (vitual) --->1xHf4a (real)---->1xHf4i(virtual) 2043P1 |
| 182 | // | | sb | | rad| * | | | | |-->322xHcol (real) 2043P1 |
| 183 | // | | | |____| * |______| | | |
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184 | // | | | ____ * ______ | |->1xHfr1 (real) --> 6xHppf(real) ---->8xHlar (virtual) 2001P1 |
| 185 | // | | | | | * | | | | |--->8xHsmo (virtual) 2001P1 |
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186 | // | | | | | * | | | | |
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187 | // | | | | | * | | | |-> 6xHgap (virtual) --->48xHrow (virtual) -->80xHcel (virtual) -->4xHcat (real) from p84 TDR |
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188 | // | |______| |____| * |______| | |-->2xHano (real) from p84 TDR |
| 189 | // |____________________________________| |-->1xHpad (real) from p84 TDR |
| 190 | // --->Z |
| 191 | hmp->AddNode(sbo ,1,new TGeoTranslation( 0*mm, 0*mm, -73.75*mm)); //p.84 TDR |
| 192 | sbo->AddNode(hon ,1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); //2072P1 |
| 193 | sbo->AddNode(cov ,1,new TGeoTranslation( 0*mm,0*mm, +25*mm)); |
| 194 | sbo->AddNode(cov ,2,new TGeoTranslation( 0*mm,0*mm, -25*mm)); |
| 195 | hmp->AddNode(rad,2,new TGeoTranslation( 0*mm,+434*mm, -12.00*mm)); |
| 196 | hmp->AddNode(rad,1,new TGeoTranslation( 0*mm, 0*mm, -12.00*mm)); |
| 197 | hmp->AddNode(rad,0,new TGeoTranslation( 0*mm,-434*mm, -12.00*mm)); |
| 198 | rad->AddNode(neo,1,new TGeoTranslation( 0*mm, 0*mm, -10.0*mm)); |
| 199 | rad->AddNode(win,1,new TGeoTranslation( 0*mm, 0*mm, 9.5*mm)); |
| 200 | rad->AddNode(si1,1,new TGeoTranslation( 0*mm,-204*mm, -0.5*mm)); rad->AddNode(si1,2,new TGeoTranslation( 0*mm,+204*mm, -0.5*mm)); |
| 201 | rad->AddNode(si2,1,new TGeoTranslation(-660*mm, 0*mm, -0.5*mm)); rad->AddNode(si2,2,new TGeoTranslation(+660*mm, 0*mm, -0.5*mm)); |
| 202 | for(Int_t i=0;i<3;i++) for(Int_t j=0;j<10;j++) rad->AddNode(spa,10*i+j,new TGeoTranslation(-1330*mm/2+116*mm+j*122*mm,(i-1)*105*mm,-0.5*mm)); |
| 203 | hmp->AddNode(fr4,1,new TGeoTranslation( 0*mm, 0*mm, 9.00*mm)); //p.84 TDR |
| 204 | for(int i=1;i<=322;i++) fr4->AddNode(col,i,new TGeoCombiTrans( 0*mm, -1296/2*mm+i*4*mm,-5*mm,rot)); //F4 2043P1 |
| 205 | fr4->AddNode(f4a,1,new TGeoTranslation( 0*mm,0*mm, 2.5*mm)); |
| 206 | f4a->AddNode(f4i,1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); |
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207 | hmp->AddNode(sec,4,new TGeoTranslation(-335*mm,+433*mm, 78.6*mm)); hmp->AddNode(sec,5,new TGeoTranslation(+335*mm,+433*mm, 78.6*mm)); |
| 208 | hmp->AddNode(sec,2,new TGeoTranslation(-335*mm, 0*mm, 78.6*mm)); hmp->AddNode(sec,3,new TGeoTranslation(+335*mm, 0*mm, 78.6*mm)); |
| 209 | hmp->AddNode(sec,0,new TGeoTranslation(-335*mm,-433*mm, 78.6*mm)); hmp->AddNode(sec,1,new TGeoTranslation(+335*mm,-433*mm, 78.6*mm)); |
| 210 | sec->AddNode(gap,1,new TGeoTranslation(0,0,0.*mm)); |
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211 | cel->AddNode(cat,1,new TGeoCombiTrans (0, 3.15*mm , -2.70*mm , rot)); //4 cathode wires |
| 212 | cel->AddNode(ano,1,new TGeoCombiTrans (0, 2.00*mm , -0.29*mm , rot)); //2 anod wires |
| 213 | cel->AddNode(cat,2,new TGeoCombiTrans (0, 1.05*mm , -2.70*mm , rot)); |
| 214 | cel->AddNode(cat,3,new TGeoCombiTrans (0, -1.05*mm , -2.70*mm , rot)); |
| 215 | cel->AddNode(ano,2,new TGeoCombiTrans (0, -2.00*mm , -0.29*mm , rot)); |
| 216 | cel->AddNode(cat,4,new TGeoCombiTrans (0, -3.15*mm , -2.70*mm , rot)); |
| 217 | cel->AddNode(pad,1,new TGeoTranslation(0, 0.00*mm , 2.25*mm)); //1 pad |
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218 | |
| 219 | hmp->AddNode(fr1,1,new TGeoTranslation(0.,0.,(80.+1.7)*mm+58.3*mm/2.)); |
| 220 | fr1->AddNode(fr1up,1,new TGeoTranslation(0.,0.,(58.3*mm-20.00*mm)/2.)); |
| 221 | |
| 222 | fr1->AddNode(fr1perUpBig,0,new TGeoTranslation(0.,(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); |
| 223 | fr1->AddNode(fr1perUpSma,0,new TGeoTranslation((1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); |
| 224 | fr1->AddNode(fr1perUpBig,1,new TGeoTranslation(0.,-(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); |
| 225 | fr1->AddNode(fr1perUpSma,1,new TGeoTranslation(-(1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); |
| 226 | |
| 227 | fr1->AddNode(fr1perDowBig,0,new TGeoTranslation(0.,(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.)); |
| 228 | fr1->AddNode(fr1perDowSma,0,new TGeoTranslation((1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.)); |
| 229 | fr1->AddNode(fr1perDowBig,1,new TGeoTranslation(0.,-(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.)); |
| 230 | fr1->AddNode(fr1perDowSma,1,new TGeoTranslation(-(1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.)); |
| 231 | |
| 232 | |
| 233 | fr1->AddNode(ppf,4,new TGeoTranslation(-335*mm,433*mm,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,5,new TGeoTranslation(335*mm,433*mm,(-58.3+38.3)*mm/2.)); |
| 234 | fr1->AddNode(ppf,2,new TGeoTranslation(-335*mm,0.,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,3,new TGeoTranslation(335*mm,0.,(-58.3+38.3)*mm/2.)); |
| 235 | fr1->AddNode(ppf,0,new TGeoTranslation(-335*mm,-433*mm,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,1,new TGeoTranslation(335*mm,-433*mm,(-58.3+38.3)*mm/2.)); |
| 236 | |
| 237 | |
| 238 | |
| 239 | |
| 240 | |
| 241 | |
| 8f16e0db |
242 | // ^ Y single cell 5.5mm CH4 = 1*mm CsI + 4.45*mm CsI x cath +0.05*mm safety margin |
| 243 | // | ______________________________ |
| 244 | // | | | ^ || |
| 245 | // | | 1.05mm || |
| 246 | // 2.2*mm| xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- 50um x || cat shift x=0mm , y= 3.15mm , z=-2.70mm |
| 247 | // | | || |
| 248 | // | | || |
| 249 | // __ | .......................... | 2.1mm 20un . || ano shift x=0mm , y= 2.00mm , z=-0.29mm |
| 250 | // | | || |
| 251 | // | | || |
| 252 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y= 1.05mm , z=-2.70mm |
| 253 | // | | || |
| 254 | // | | 8.4mm || |
| 255 | // 4*mm | | 2.1mm || pad shift x=0mm , y= 0.00mm , z=2.25*mm |
| 256 | // | | || |
| 257 | // | | || |
| 258 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y=-1.05mm , z=-2.70mm |
| 259 | // | | || |
| 260 | // | | || |
| 261 | // __ | .......................... | 2.1mm . 2.04mm|| ano shift x=0mm , y=-2.00mm , z=-0.29mm |
| 262 | // | | || |
| 263 | // | | || |
| 264 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x 4.45mm || cat shift x=0mm , y=-3.15mm , z=-2.70mm |
| 265 | // 2.2*mm| | || |
| 266 | // | | 1.05mm || |
| 267 | // |______________________________| v || |
| 268 | // < 8 mm > |
| 269 | // ----->X ----->Z |
| 78bc9cb2 |
270 | ppf->AddNode(lar,0,new TGeoTranslation(-224.5*mm,-151.875*mm, 0.*mm)); |
| 271 | ppf->AddNode(lar,1,new TGeoTranslation(-224.5*mm,- 50.625*mm, 0.*mm)); |
| 272 | ppf->AddNode(lar,2,new TGeoTranslation(-224.5*mm,+ 50.625*mm, 0.*mm)); |
| 273 | ppf->AddNode(lar,3,new TGeoTranslation(-224.5*mm,+151.875*mm, 0.*mm)); |
| 274 | ppf->AddNode(lar,4,new TGeoTranslation(+224.5*mm,-151.875*mm, 0.*mm)); |
| 275 | ppf->AddNode(lar,5,new TGeoTranslation(+224.5*mm,- 50.625*mm, 0.*mm)); |
| 276 | ppf->AddNode(lar,6,new TGeoTranslation(+224.5*mm,+ 50.625*mm, 0.*mm)); |
| 277 | ppf->AddNode(lar,7,new TGeoTranslation(+224.5*mm,+151.875*mm, 0.*mm)); |
| 278 | ppf->AddNode(smo,0,new TGeoTranslation(- 65.0*mm,-151.875*mm, 0.*mm)); |
| 279 | ppf->AddNode(smo,1,new TGeoTranslation(- 65.0*mm,- 50.625*mm, 0.*mm)); |
| 280 | ppf->AddNode(smo,2,new TGeoTranslation(- 65.0*mm,+ 50.625*mm, 0.*mm)); |
| 281 | ppf->AddNode(smo,3,new TGeoTranslation(- 65.0*mm,+151.875*mm, 0.*mm)); |
| 282 | ppf->AddNode(smo,4,new TGeoTranslation(+ 65.0*mm,-151.875*mm, 0.*mm)); |
| 283 | ppf->AddNode(smo,5,new TGeoTranslation(+ 65.0*mm,- 50.625*mm, 0.*mm)); |
| 284 | ppf->AddNode(smo,6,new TGeoTranslation(+ 65.0*mm,+ 50.625*mm, 0.*mm)); |
| 285 | ppf->AddNode(smo,7,new TGeoTranslation(+ 65.0*mm,+151.875*mm, 0.*mm)); |
| 8f16e0db |
286 | |
| 287 | |
| 288 | |
| 289 | AliDebug(1,"Stop v2. HMPID option"); |
| 290 | }//CreateGeometry() |
| 291 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 292 | void AliHMPIDv2::Init() |
| 293 | { |
| 294 | // This methode defines ID for sensitive volumes, i.e. such geometry volumes for which there are if(gMC->CurrentVolID()==XXX) statements in StepManager() |
| 295 | // Arguments: none |
| 296 | // Returns: none |
| 297 | AliDebug(1,"Start v2 HMPID."); |
| 298 | fIdPad = gMC->VolId("Hpad"); |
| 299 | fIdCell = gMC->VolId("Hcel"); |
| 300 | AliDebug(1,"Stop v2 HMPID."); |
| 301 | } |
| 302 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 303 | void AliHMPIDv2::DefineOpticalProperties() |
| 304 | { |
| 305 | // Optical properties definition. |
| 306 | const Int_t kNbins=30; //number of photon energy points |
| 307 | Float_t emin=5.5,emax=8.5; //Photon energy range,[eV] |
| 308 | Float_t aEckov [kNbins]; |
| 309 | Float_t aAbsRad[kNbins], aAbsWin[kNbins], aAbsGap[kNbins], aAbsMet[kNbins]; |
| 310 | Float_t aIdxRad[kNbins], aIdxWin[kNbins], aIdxGap[kNbins], aIdxMet[kNbins], aIdxPc[kNbins]; |
| 311 | Float_t aQeAll [kNbins], aQePc [kNbins]; |
| 312 | |
| 313 | TF2 *pRaIF=new TF2("HidxRad","sqrt(1+0.554*(1239.84/x)^2/((1239.84/x)^2-5796)-0.0005*(y-20))" ,emin,emax,0,50); //DiMauro mail temp 0-50 degrees C |
| 314 | TF1 *pWiIF=new TF1("HidxWin","sqrt(1+46.411/(10.666*10.666-x*x)+228.71/(18.125*18.125-x*x))" ,emin,emax); //SiO2 idx TDR p.35 |
| 315 | TF1 *pGaIF=new TF1("HidxGap","1+0.12489e-6/(2.62e-4 - x*x/1239.84/1239.84)" ,emin,emax); //?????? from where |
| 316 | |
| 317 | TF1 *pRaAF=new TF1("HabsRad","(x<7.8)*(gaus+gaus(3))+(x>=7.8)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03 |
| 318 | pRaAF->SetParameters(3.20491e16,-0.00917890,0.742402,3035.37,4.81171,0.626309); |
| 319 | TF1 *pWiAF=new TF1("HabsWin","(x<8.2)*(818.8638-301.0436*x+36.89642*x*x-1.507555*x*x*x)+(x>=8.2)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03 |
| 320 | TF1 *pGaAF=new TF1("HabsGap","(x<7.75)*6512.399+(x>=7.75)*3.90743e-2/(-1.655279e-1+6.307392e-2*x-8.011441e-3*x*x+3.392126e-4*x*x*x)",emin,emax); //????? from where |
| 321 | |
| 322 | TF1 *pQeF =new TF1("Hqe" ,"0+(x>6.07267)*0.344811*(1-exp(-1.29730*(x-6.07267)))" ,emin,emax); //fit from DiMauro data 28.10.03 |
| 59d9d4b3 |
323 | |
| 324 | TString title=GetTitle(); |
| 325 | Bool_t isFlatIdx=title.Contains("FlatIdx"); |
| 326 | |
| 8f16e0db |
327 | for(Int_t i=0;i<kNbins;i++){ |
| 328 | Float_t eV=emin+0.1*i; //Ckov energy in eV |
| 329 | aEckov [i] =1e-9*eV; //Ckov energy in GeV |
| 59d9d4b3 |
330 | aAbsRad[i]=pRaAF->Eval(eV); (isFlatIdx)? aIdxRad[i]=1.292: aIdxRad[i]=pRaIF->Eval(eV,20); |
| 331 | aAbsWin[i]=pWiAF->Eval(eV); aIdxWin[i]=pWiIF->Eval(eV); |
| 332 | aAbsGap[i]=pGaAF->Eval(eV); aIdxGap[i]=pGaIF->Eval(eV); |
| 8f16e0db |
333 | aQeAll[i] =1; //QE for all other materials except for PC must be 1. |
| 334 | aAbsMet[i] =0.0001; aIdxMet[i]=0; //metal ref idx must be 0 in order to reflect photon |
| 335 | aIdxPc [i]=1; aQePc [i]=pQeF->Eval(eV); //PC ref idx must be 1 in order to apply photon to QE conversion |
| 336 | |
| 337 | } |
| 338 | gMC->SetCerenkov((*fIdtmed)[kC6F14] , kNbins, aEckov, aAbsRad , aQeAll , aIdxRad ); |
| 339 | gMC->SetCerenkov((*fIdtmed)[kSiO2] , kNbins, aEckov, aAbsWin , aQeAll , aIdxWin ); |
| 340 | gMC->SetCerenkov((*fIdtmed)[kCH4] , kNbins, aEckov, aAbsGap , aQeAll , aIdxGap ); |
| 341 | gMC->SetCerenkov((*fIdtmed)[kCu] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); |
| 342 | gMC->SetCerenkov((*fIdtmed)[kW] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); //n=0 means reflect photons |
| 343 | gMC->SetCerenkov((*fIdtmed)[kCsI] , kNbins, aEckov, aAbsMet , aQePc , aIdxPc ); //n=1 means convert photons |
| 344 | gMC->SetCerenkov((*fIdtmed)[kAl] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); |
| 345 | delete pRaAF;delete pWiAF;delete pGaAF; delete pRaIF; delete pWiIF; delete pGaIF; delete pQeF; |
| 346 | } |
| 347 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 348 | Bool_t AliHMPIDv2::IsLostByFresnel() |
| 349 | { |
| 350 | // Calculate probability for the photon to be lost by Fresnel reflection. |
| 351 | TLorentzVector p4; |
| 352 | Double_t mom[3],localMom[3]; |
| 353 | gMC->TrackMomentum(p4); mom[0]=p4(1); mom[1]=p4(2); mom[2]=p4(3); |
| 354 | localMom[0]=0; localMom[1]=0; localMom[2]=0; |
| 355 | gMC->Gmtod(mom,localMom,2); |
| 356 | Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2]; |
| 357 | Double_t localTheta = TMath::ATan2(TMath::Sqrt(localTc),localMom[1]); |
| 358 | Double_t cotheta = TMath::Abs(TMath::Cos(localTheta)); |
| 359 | if(gMC->GetRandom()->Rndm() < Fresnel(p4.E()*1e9,cotheta,1)){ |
| 360 | AliDebug(1,"Photon lost"); |
| 361 | return kTRUE; |
| 362 | }else |
| 363 | return kFALSE; |
| 364 | }//IsLostByFresnel() |
| 365 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 366 | void AliHMPIDv2::GenFee(Float_t qtot) |
| 367 | { |
| 368 | // Generate FeedBack photons for the current particle. To be invoked from StepManager(). |
| 369 | // eloss=0 means photon so only pulse height distribution is to be analysed. |
| 370 | TLorentzVector x4; |
| 371 | gMC->TrackPosition(x4); |
| 372 | Int_t iNphotons=gMC->GetRandom()->Poisson(0.02*qtot); //# of feedback photons is proportional to the charge of hit |
| 373 | AliDebug(1,Form("N photons=%i",iNphotons)); |
| 374 | Int_t j; |
| 375 | Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4]; |
| 376 | //Generate photons |
| 377 | for(Int_t i=0;i<iNphotons;i++){//feedbacks loop |
| 378 | Double_t ranf[2]; |
| 379 | gMC->GetRandom()->RndmArray(2,ranf); //Sample direction |
| 380 | cthf=ranf[0]*2-1.0; |
| 381 | if(cthf<0) continue; |
| 382 | sthf = TMath::Sqrt((1 - cthf) * (1 + cthf)); |
| 383 | phif = ranf[1] * 2 * TMath::Pi(); |
| 384 | |
| 385 | if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57) |
| 386 | enfp = 7.5e-9; |
| 387 | else if(randomNumber<=0.7) |
| 388 | enfp = 6.4e-9; |
| 389 | else |
| 390 | enfp = 7.9e-9; |
| 391 | |
| 392 | |
| 393 | dir[0] = sthf * TMath::Sin(phif); dir[1] = cthf; dir[2] = sthf * TMath::Cos(phif); |
| 394 | gMC->Gdtom(dir, mom, 2); |
| 395 | mom[0]*=enfp; mom[1]*=enfp; mom[2]*=enfp; |
| 396 | mom[3] = TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]+mom[2]*mom[2]); |
| 397 | |
| 398 | // Polarisation |
| 399 | e1[0]= 0; e1[1]=-dir[2]; e1[2]= dir[1]; |
| 400 | e2[0]=-dir[1]; e2[1]= dir[0]; e2[2]= 0; |
| 401 | e3[0]= dir[1]; e3[1]= 0; e3[2]=-dir[0]; |
| 402 | |
| 403 | vmod=0; |
| 404 | for(j=0;j<3;j++) vmod+=e1[j]*e1[j]; |
| 405 | if (!vmod) for(j=0;j<3;j++) { |
| 406 | uswop=e1[j]; |
| 407 | e1[j]=e3[j]; |
| 408 | e3[j]=uswop; |
| 409 | } |
| 410 | vmod=0; |
| 411 | for(j=0;j<3;j++) vmod+=e2[j]*e2[j]; |
| 412 | if (!vmod) for(j=0;j<3;j++) { |
| 413 | uswop=e2[j]; |
| 414 | e2[j]=e3[j]; |
| 415 | e3[j]=uswop; |
| 416 | } |
| 417 | |
| 418 | 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; |
| 419 | 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; |
| 420 | |
| 421 | phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi(); |
| 422 | for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi); |
| 423 | gMC->Gdtom(pol, pol, 2); |
| 424 | Int_t outputNtracksStored; |
| 425 | gAlice->GetMCApp()->PushTrack(1, //transport |
| 426 | gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track |
| 427 | 50000051, //PID |
| 428 | mom[0],mom[1],mom[2],mom[3], //track momentum |
| 429 | x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin |
| 430 | pol[0],pol[1],pol[2], //polarization |
| 431 | kPFeedBackPhoton, //process ID |
| 432 | outputNtracksStored, //on return how many new photons stored on stack |
| 433 | 1.0); //weight |
| 434 | }//feedbacks loop |
| 435 | AliDebug(1,"Stop."); |
| 436 | }//GenerateFeedbacks() |
| 437 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 438 | void AliHMPIDv2::Hits2SDigits() |
| 439 | { |
| 440 | // Interface method ivoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits. |
| 441 | // Arguments: none |
| 442 | // Returns: none |
| 443 | AliDebug(1,"Start."); |
| 444 | for(Int_t iEvt=0;iEvt < GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvt++){ //events loop |
| 445 | GetLoader()->GetRunLoader()->GetEvent(iEvt); //get next event |
| 446 | |
| 447 | if(!GetLoader()->TreeH()) {GetLoader()->LoadHits(); } |
| 448 | if(!GetLoader()->TreeS()) {GetLoader()->MakeTree("S"); MakeBranch("S");}//to |
| 449 | |
| 450 | for(Int_t iEnt=0;iEnt<GetLoader()->TreeH()->GetEntries();iEnt++){//prims loop |
| 451 | GetLoader()->TreeH()->GetEntry(iEnt); |
| 452 | Hit2Sdi(Hits(),SdiLst()); |
| 453 | }//prims loop |
| 454 | GetLoader()->TreeS()->Fill(); |
| 455 | GetLoader()->WriteSDigits("OVERWRITE"); |
| 456 | SdiReset(); |
| 457 | }//events loop |
| 458 | GetLoader()->UnloadHits(); |
| 459 | GetLoader()->UnloadSDigits(); |
| 460 | AliDebug(1,"Stop."); |
| 461 | }//Hits2SDigits() |
| 462 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 463 | void AliHMPIDv2::Hit2Sdi(TClonesArray *pHitLst,TClonesArray *pSdiLst) |
| 464 | { |
| 465 | // Converts list of hits to list of sdigits. |
| 466 | // Arguments: pHitLst - list of hits provided not empty |
| 467 | // pSDigLst - list of sdigits where to store the results |
| 468 | // Returns: none |
| 469 | for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){ //hits loop |
| 470 | AliHMPIDHit *pHit=(AliHMPIDHit*)pHitLst->At(iHit); //get pointer to current hit |
| 471 | pHit->Hit2Sdi(pSdiLst); //convert this hit to list of sdigits |
| 472 | }//hits loop loop |
| 473 | }//Hits2Sdi() |
| 474 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 475 | void AliHMPIDv2::Digits2Raw() |
| 476 | { |
| 477 | // Interface method invoked by AliSimulation to create raw data streams from digits. Events loop is done in AliSimulation |
| 478 | // Arguments: none |
| 479 | // Returns: none |
| 480 | AliDebug(1,"Start."); |
| 481 | GetLoader()->LoadDigits(); |
| 482 | TTree * treeD = GetLoader()->TreeD(); |
| 483 | if(!treeD) { |
| 484 | AliError("No digits tree!"); |
| 485 | return; |
| 486 | } |
| 487 | treeD->GetEntry(0); |
| 488 | |
| 489 | AliHMPIDDigit::WriteRaw(DigLst()); |
| 490 | |
| 491 | GetLoader()->UnloadDigits(); |
| 492 | AliDebug(1,"Stop."); |
| 493 | }//Digits2Raw() |
| 494 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 495 | Float_t AliHMPIDv2::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola) |
| 496 | { |
| 497 | // Correction for Fresnel ??????????? |
| 498 | // Arguments: ene - photon energy [GeV], |
| 499 | // PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.) |
| 500 | // Returns: |
| 501 | Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2, |
| 502 | 6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7, |
| 503 | 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5}; |
| 504 | Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05, |
| 505 | 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11, |
| 506 | 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95, |
| 507 | 1.72,1.53}; |
| 508 | Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543, |
| 509 | 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878, |
| 510 | 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824, |
| 511 | 1.714,1.498}; |
| 512 | Float_t xe=ene; |
| 513 | Int_t j=Int_t(xe*10)-49; |
| 514 | Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]); |
| 515 | Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]); |
| 516 | |
| 517 | //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR |
| 518 | //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197 |
| 519 | |
| 520 | Float_t sinin=TMath::Sqrt(1-pdoti*pdoti); |
| 521 | Float_t tanin=sinin/pdoti; |
| 522 | |
| 523 | Float_t c1=cn*cn-ck*ck-sinin*sinin; |
| 524 | Float_t c2=4*cn*cn*ck*ck; |
| 525 | Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1)); |
| 526 | Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1); |
| 527 | |
| 528 | Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2); |
| 529 | Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2); |
| 530 | |
| 531 | |
| 532 | //CORRECTION FACTOR FOR SURFACE ROUGHNESS |
| 533 | //B.J. STAGG APPLIED OPTICS, 30(1991),4113 |
| 534 | |
| 535 | Float_t sigraf=18.; |
| 536 | Float_t lamb=1240/ene; |
| 537 | Float_t fresn; |
| 538 | |
| 539 | Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb)); |
| 540 | |
| 541 | if(pola) |
| 542 | { |
| 543 | Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S |
| 544 | fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr)); |
| 545 | } |
| 546 | else |
| 547 | fresn=0.5*(rp+rs); |
| 548 | |
| 549 | fresn = fresn*rO; |
| 550 | return fresn; |
| 551 | }//Fresnel() |
| 552 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 553 | void AliHMPIDv2::Print(Option_t *option)const |
| 554 | { |
| 555 | // Debug printout |
| 556 | TObject::Print(option); |
| 557 | }//void AliHMPID::Print(Option_t *option)const |
| 558 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 559 | Bool_t AliHMPIDv2::Raw2SDigits(AliRawReader *pRR) |
| 560 | { |
| 561 | // Interface methode ivoked from AliSimulation to create a list of sdigits from raw digits. Events loop is done in AliSimulation |
| 562 | // Arguments: pRR- raw reader |
| 563 | // Returns: kTRUE on success (currently ignored in AliSimulation::ConvertRaw2SDigits()) |
| 564 | AliHMPIDDigit sdi; //tmp sdigit, raw digit will be converted to it |
| 565 | |
| 566 | if(!GetLoader()->TreeS()) {MakeTree("S"); MakeBranch("S");} |
| 567 | |
| 568 | TClonesArray *pSdiLst=SdiLst(); Int_t iSdiCnt=0; //tmp list of sdigits for all chambers |
| 569 | pRR->Select("HMPID",0,13);//select all HMPID DDL files |
| 570 | UInt_t w32=0; |
| 571 | while(pRR->ReadNextInt(w32)){//raw records loop (in selected DDL files) |
| 572 | UInt_t ddl=pRR->GetDDLID(); //returns 0,1,2 ... 13 |
| 49dfd67a |
573 | if (!sdi.Raw(ddl,w32,pRR)) continue; |
| 8f16e0db |
574 | new((*pSdiLst)[iSdiCnt++]) AliHMPIDDigit(sdi); //add this digit to the tmp list |
| 575 | }//raw records loop |
| 576 | GetLoader()->TreeS()->Fill(); GetLoader()->WriteSDigits("OVERWRITE");//write out sdigits |
| 577 | SdiReset(); |
| 578 | return kTRUE; |
| 579 | }//Raw2SDigits |
| 580 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 581 | void AliHMPIDv2::StepCount() |
| 582 | { |
| 583 | // Count number of ckovs created |
| 584 | } |
| 585 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 586 | void AliHMPIDv2::StepHistory() |
| 587 | { |
| 588 | // This methode is invoked from StepManager() in order to print out |
| 589 | static Int_t iStepN; |
| 590 | const char *sParticle; |
| 591 | switch(gMC->TrackPid()){ |
| 592 | case kProton: sParticle="PROTON" ;break; |
| 593 | case kNeutron: sParticle="neutron" ;break; |
| 594 | case kGamma: sParticle="gamma" ;break; |
| 595 | case 50000050: sParticle="CKOV" ;break; |
| 596 | case kPi0: sParticle="Pi0" ;break; |
| 597 | case kPiPlus: sParticle="Pi+" ;break; |
| 598 | case kPiMinus: sParticle="Pi-" ;break; |
| 599 | case kElectron: sParticle="electron" ;break; |
| 600 | default: sParticle="not known" ;break; |
| 601 | } |
| 602 | |
| 603 | TString flag="fanny combination"; |
| 604 | if(gMC->IsTrackAlive()) |
| 605 | if(gMC->IsTrackEntering()) flag="enters to"; |
| 606 | else if(gMC->IsTrackExiting()) flag="exits from"; |
| 607 | else if(gMC->IsTrackInside()) flag="inside"; |
| 608 | else |
| 609 | if(gMC->IsTrackStop()) flag="stoped in"; |
| 610 | |
| 611 | |
| 612 | |
| 613 | |
| 614 | Int_t vid=0,copy=0; |
| 615 | TString path=gMC->CurrentVolName(); path.Prepend("-");path.Prepend(gMC->CurrentVolOffName(1));//current volume and his mother are always there |
| 616 | vid=gMC->CurrentVolOffID(2,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));} |
| 617 | vid=gMC->CurrentVolOffID(3,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));} |
| 618 | |
| 619 | |
| 620 | Printf("Step %i: %s (%i) %s %s m=%.6f GeV q=%.1f dEdX=%.4f Etot=%.4f",iStepN,sParticle,gMC->TrackPid(),flag.Data(),path.Data(),gMC->TrackMass(),gMC->TrackCharge(),gMC->Edep()*1e9,gMC->Etot()); |
| 621 | |
| 622 | Double_t gMcTrackPos[3]; gMC->TrackPosition(gMcTrackPos[0],gMcTrackPos[1],gMcTrackPos[2]); |
| 623 | Double_t gMcTrackPosLoc[3]; gMC->Gmtod(gMcTrackPos,gMcTrackPosLoc,1); |
| 624 | Printf("gMC Track Position (MARS) x: %5.3lf, y: %5.3lf, z: %5.3lf (r: %5.3lf) ---> (LOC) x: %5.3f, y: %5.3f, z: %5.3f",gMcTrackPos[0],gMcTrackPos[1],gMcTrackPos[2],TMath::Sqrt(gMcTrackPos[0]*gMcTrackPos[0]+gMcTrackPos[1]*gMcTrackPos[1]+gMcTrackPos[2]*gMcTrackPos[2]),gMcTrackPosLoc[0],gMcTrackPosLoc[1],gMcTrackPosLoc[2]); |
| 625 | |
| 626 | |
| 627 | |
| 628 | Printf("Step %i: tid=%i flags alive=%i disap=%i enter=%i exit=%i inside=%i out=%i stop=%i new=%i", |
| 629 | iStepN, gAlice->GetMCApp()->GetCurrentTrackNumber(), |
| 630 | gMC->IsTrackAlive(), gMC->IsTrackDisappeared(),gMC->IsTrackEntering(), gMC->IsTrackExiting(), |
| 631 | gMC->IsTrackInside(),gMC->IsTrackOut(), gMC->IsTrackStop(), gMC->IsNewTrack()); |
| 632 | |
| 633 | Float_t a,z,den,rad,abs; a=z=den=rad=abs=-1; |
| 634 | Int_t mid=gMC->CurrentMaterial(a,z,den,rad,abs); |
| 635 | Printf("Step %i: mid=%i a=%7.2f z=%7.2f den=%9.4f rad=%9.2f abs=%9.2f\n\n",iStepN,mid,a,z,den,rad,abs); |
| 636 | |
| 637 | TArrayI proc; gMC->StepProcesses(proc); |
| 638 | Printf("Processes in this step:"); |
| 639 | for ( int i = 0 ; i < proc.GetSize(); i++) |
| 640 | { |
| 641 | Printf("%s",TMCProcessName[proc.At(i)]); |
| 642 | } |
| 643 | Printf("End process list"); |
| 644 | |
| 645 | iStepN++; |
| 646 | }//StepHistory() |
| 647 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 648 | void AliHMPIDv2::StepManager() |
| 649 | { |
| 650 | // Full Step Manager. |
| 651 | // Arguments: none |
| 652 | // Returns: none |
| 653 | // StepHistory(); return; //uncomment to print tracks history |
| 654 | // StepCount(); return; //uncomment to count photons |
| 655 | |
| 656 | Int_t copy; //volume copy aka node |
| 657 | |
| 658 | //Treat photons |
| 659 | if((gMC->TrackPid()==50000050||gMC->TrackPid()==50000051)&&gMC->CurrentVolID(copy)==fIdPad){ //photon (Ckov or feedback) hit PC (fIdPad) |
| 660 | if(gMC->Edep()>0){ //photon survided QE test i.e. produces electron |
| 661 | if(IsLostByFresnel()){ gMC->StopTrack(); return;} //photon lost due to fersnel reflection on PC |
| 59d9d4b3 |
662 | gMC->CurrentVolOffID(5,copy); //current chamber since geomtry tree is Hmp-Hsec-Hgap-Hrow-Hcel-Hpad |
| 8f16e0db |
663 | Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID |
| 664 | Int_t pid= gMC->TrackPid(); //take PID |
| 665 | Float_t etot= gMC->Etot(); //total hpoton energy, [GeV] |
| 666 | Double_t x[3]; gMC->TrackPosition(x[0],x[1],x[2]); //take MARS position at entrance to PC |
| 667 | Float_t xl,yl; AliHMPIDParam::Instance()->Mars2Lors(copy,x,xl,yl); //take LORS position |
| 8f16e0db |
668 | new((*fHits)[fNhits++])AliHMPIDHit(copy,etot,pid,tid,xl,yl,x); //HIT for photon, position at P, etot will be set to Q |
| 59d9d4b3 |
669 | if(fDoFeed) GenFee(etot); //generate feedback photons etot is modified in hit ctor to Q of hit |
| 8f16e0db |
670 | }//photon hit PC and DE >0 |
| 671 | }//photon hit PC |
| 672 | |
| 673 | //Treat charged particles |
| 674 | static Float_t eloss; //need to store mip parameters between different steps |
| 675 | static Double_t in[3]; |
| 676 | if(gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdCell){ //charged particle in amplification gap (fIdCell) |
| 677 | if(gMC->IsTrackEntering()||gMC->IsNewTrack()) { //entering or newly created |
| 678 | eloss=0; //reset Eloss collector |
| 679 | gMC->TrackPosition(in[0],in[1],in[2]); //take position at the entrance |
| 680 | }else if(gMC->IsTrackExiting()||gMC->IsTrackStop()||gMC->IsTrackDisappeared()){ //exiting or disappeared |
| 681 | eloss +=gMC->Edep(); //take into account last step Eloss |
| 682 | gMC->CurrentVolOffID(4,copy); //take current chamber since geometry tree is Hmp-Hsec-Hgap-Hrow-Hcel |
| 683 | Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID |
| 684 | Int_t pid= gMC->TrackPid(); //take PID |
| 685 | Double_t out[3]; gMC->TrackPosition(out[0],out[1],out[2]); //take MARS position at exit |
| 686 | out[0]=0.5*(out[0]+in[0]); //> |
| 687 | out[1]=0.5*(out[1]+in[1]); //take hit position at the anod plane |
| 688 | out[2]=0.5*(out[2]+in[2]); //> |
| 689 | Float_t xl,yl;AliHMPIDParam::Instance()->Mars2Lors(copy,out,xl,yl); //take LORS position |
| 8f16e0db |
690 | new((*fHits)[fNhits++])AliHMPIDHit(copy,eloss,pid,tid,xl,yl,out); //HIT for MIP, position near anod plane, eloss will be set to Q |
| 59d9d4b3 |
691 | if(fDoFeed) GenFee(eloss); //generate feedback photons |
| 8f16e0db |
692 | }else //just going inside |
| 693 | eloss += gMC->Edep(); //collect this step eloss |
| 694 | }//MIP in GAP |
| 695 | }//StepManager() |
| 696 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 80c418c4 |
697 | void AliHMPIDv2::TestPoint(Int_t ch,Float_t x,Float_t y) |
| 698 | { |
| 699 | // Utility method to check the validity of geometry by poviding some crucial points |
| 700 | // Arguments: ch,x,y- crucial point definition (cm) in LORS |
| 701 | // Returns: none |
| 702 | Double_t mars[3]; |
| 703 | AliHMPIDParam::Instance()->Lors2Mars(ch,x,y,mars); |
| 704 | Printf("(ch=%i,locX=%.2f,locY=%.2f) %s",ch,x,y,gGeoManager->FindNode(mars[0],mars[1],mars[2])->GetName()); |
| 705 | }//TestPoint() |
| 706 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 707 | void AliHMPIDv2::TestGeom() |
| 708 | { |
| a137507f |
709 | // |
| 710 | // Test method to check geometry |
| 711 | // |
| 80c418c4 |
712 | TGeoManager::Import("geometry.root"); |
| 713 | for(Int_t ch=AliHMPIDDigit::kMinCh;ch<=AliHMPIDDigit::kMaxCh;ch++) |
| 714 | TestPoint(ch,0,0); |
| a137507f |
715 | }//TestPoint() |
| a47b5293 |
716 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| 717 | |
| 718 | void AliHMPIDv2::IdealPosition(Int_t iCh,TGeoHMatrix *pMatrix) //ideal position of given chamber |
| 719 | { |
| 720 | // Construct ideal position matrix for a given chamber |
| 721 | // Arguments: iCh- chamber ID; pMatrix- pointer to precreated unity matrix where to store the results |
| 722 | // Returns: none |
| 723 | const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad |
| 724 | const Double_t kAngVer=20; // vertical angle between chambers 20 grad |
| 725 | const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad |
| 726 | const Double_t kTrans[3]={490,0,0}; // center of the chamber is on window-gap surface |
| 727 | pMatrix->RotateY(90); // rotate around y since initial position is in XY plane -> now in YZ plane |
| 728 | pMatrix->SetTranslation(kTrans); // now plane in YZ is shifted along x |
| 729 | switch(iCh){ |
| 730 | case 0: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down |
| 731 | case 1: pMatrix->RotateZ(-kAngVer); break; //down |
| 732 | case 2: pMatrix->RotateY(kAngHor); break; //right |
| 733 | case 3: break; //no rotation |
| 734 | case 4: pMatrix->RotateY(-kAngHor); break; //left |
| 735 | case 5: pMatrix->RotateZ(kAngVer); break; //up |
| 736 | case 6: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up |
| 737 | } |
| 738 | pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane |
| 739 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame