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8f16e0db | 1 | // ************************************************************************** |
2 | // * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | // * * | |
4 | // * Author: The ALICE Off-line Project. * | |
5 | // * Contributors are mentioned in the code where appropriate. * | |
6 | // * * | |
7 | // * Permission to use, copy, modify and distribute this software and its * | |
8 | // * documentation strictly for non-commercial purposes is hereby granted * | |
9 | // * without fee, provided that the above copyright notice appears in all * | |
10 | // * copies and that both the copyright notice and this permission notice * | |
11 | // * appear in the supporting documentation. The authors make no claims * | |
12 | // * about the suitability of this software for any purpose. It is * | |
13 | // * provided "as is" without express or implied warranty. * | |
14 | // ************************************************************************** | |
15 | ||
16 | ||
a137507f | 17 | #include "AliHMPIDv2.h" //class header |
18 | #include "AliHMPIDParam.h" //StepManager() | |
19 | #include "AliHMPIDHit.h" //Hits2SDigs(),StepManager() | |
20 | #include "AliHMPIDDigit.h" //Digits2Raw(), Raw2SDigits() | |
21f61e25 | 21 | #include "AliHMPIDRawStream.h" //Digits2Raw(), Raw2SDigits() |
a137507f | 22 | #include "AliRawReader.h" //Raw2SDigits() |
5e2a2ffa | 23 | #include "AliTrackReference.h" |
a137507f | 24 | #include <TVirtualMC.h> //StepManager() for gMC |
25 | #include <TPDGCode.h> //StepHistory() | |
26 | #include <AliStack.h> //StepManager(),Hits2SDigits()78.6 | |
8f16e0db | 27 | #include <AliLoader.h> //Hits2SDigits() |
28 | #include <AliRunLoader.h> //Hits2SDigits() | |
8f16e0db | 29 | #include <AliMC.h> //StepManager() |
30 | #include <AliRun.h> //CreateMaterials() | |
31 | #include <AliMagF.h> //CreateMaterials() | |
32 | #include <TGeoManager.h> //CreateGeometry() | |
33 | #include <TF1.h> //DefineOpticalProperties() | |
34 | #include <TF2.h> //DefineOpticalProperties() | |
35 | #include <TLorentzVector.h> //IsLostByFresnel() | |
36 | #include <AliCDBManager.h> //CreateMaterials() | |
37 | #include <AliCDBEntry.h> //CreateMaterials() | |
322b6a67 | 38 | #include <TGeoPhysicalNode.h> //AddAlignableVolumes() |
8f16e0db | 39 | |
40 | ClassImp(AliHMPIDv2) | |
41 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
42 | void AliHMPIDv2::AddAlignableVolumes()const | |
43 | { | |
44 | // Associates the symbolic volume name with the corresponding volume path. Interface method from AliModule invoked from AliMC | |
45 | // Arguments: none | |
46 | // Returns: none | |
322b6a67 | 47 | |
48 | TGeoHMatrix *pGm = new TGeoHMatrix; | |
ae5a42aa | 49 | Double_t trans[3]={0.5*131.24,0.5*126.16,0}; //translation from LORS to TGeo RS (half size AllX, half size allY,0) |
322b6a67 | 50 | pGm->SetTranslation(trans); |
51 | ||
55a829a5 | 52 | Double_t ph[7]={10.,10., 30.,30.,30. ,50.,50}; |
53 | ||
54 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++) { | |
55 | gGeoManager->SetAlignableEntry(Form("/HMPID/Chamber%i",iCh),Form("ALIC_1/Hmp_%i",iCh)); //aligment without AliCluster3D | |
56 | //Get Tracking To Local matrcies for alignment with AliCluster3D | |
57 | TGeoPNEntry *eCh = gGeoManager->GetAlignableEntry(Form("/HMPID/Chamber%i",iCh)); | |
58 | if (eCh) { | |
59 | const char *path = eCh->GetTitle(); | |
60 | if (!gGeoManager->cd(path)) { | |
61 | AliFatal(Form("Volume path %s not valid!",path)); | |
62 | } | |
63 | TGeoHMatrix *globMatrix = gGeoManager->GetCurrentMatrix(); | |
64 | //Double_t phi = 20.0 * ((iCh+1) / 3) + 10.0; | |
65 | Double_t phi = ph[iCh]; | |
66 | TGeoHMatrix *t2l = new TGeoHMatrix(); | |
67 | t2l->RotateZ(phi); | |
68 | t2l->MultiplyLeft(&(globMatrix->Inverse())); | |
69 | eCh->SetMatrix(t2l); | |
70 | }//eCh | |
71 | else { | |
72 | AliError(Form("Alignable entry /HMPID/Chamber%i is not valid!",iCh)); | |
73 | } | |
74 | }//iCh loop | |
8f16e0db | 75 | } |
76 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
77 | void AliHMPIDv2::CreateMaterials() | |
78 | { | |
79 | // Definition of available HMPID materials | |
80 | // Arguments: none | |
81 | // Returns: none | |
82 | AliDebug(1,"Start v2 HMPID."); | |
83 | ||
84 | //clm update material definition later on from Antonello | |
85 | ||
86 | //data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm] | |
87 | 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 | |
88 | Float_t aC6F14[2]={ 12.01 , 18.99} , zC6F14[2]={ 6 , 9} , wC6F14[2]={6 , 14} , dC6F14=1.68 ; Int_t nC6F14=-2; | |
89 | Float_t aSiO2[2]={ 28.09 , 15.99} , zSiO2[2]={14 , 8} , wSiO2[2]={1 , 2} , dSiO2=2.64 ; Int_t nSiO2=-2; | |
90 | Float_t aCH4[2]={ 12.01 , 1.01} , zCH4[2]={ 6 , 1} , wCH4[2]={1 , 4} , dCH4=7.17e-4 ; Int_t nCH4=-2; | |
91 | Float_t aCsI[2]={132.90 ,126.90} , zCsI[2]={55 ,53} , wCsI[2]={1 , 1} , dCsI=0.1 ; Int_t nCsI=-2; | |
92 | ||
93 | Float_t aRoha= 12.01 , zRoha= 6 , dRoha= 0.10 , radRoha= 18.80 , absRoha= 86.3/dRoha; //special material- quasi quartz | |
94 | Float_t aCu= 63.55 , zCu= 29 , dCu= 8.96 , radCu= 1.43 , absCu= 134.9/dCu ; | |
95 | Float_t aW=183.84 , zW= 74 , dW= 19.30 , radW= 0.35 , absW= 185.0/dW ; | |
96 | Float_t aAl= 26.98 , zAl= 13 , dAl= 2.70 , radAl= 8.90 , absAl= 106.4/dAl ; | |
97 | Float_t aAr= 39.94 , zAr= 18 , dAr= 1.396e-3, radAr= 14.0 , absAr= 117.2/dAr ; | |
98 | ||
99 | Int_t matId=0; //tmp material id number | |
100 | Int_t unsens = 0, sens=1; //sensitive or unsensitive medium | |
101 | 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 | |
102 | Float_t maxfld = gAlice->Field()->Max(); //max field value | |
103 | Float_t tmaxfd = -10.0; //max deflection angle due to magnetic field in one step | |
104 | Float_t deemax = - 0.2; //max fractional energy loss in one step | |
105 | Float_t stemax = - 0.1; //mas step allowed [cm] | |
106 | Float_t epsil = 0.001; //abs tracking precision [cm] | |
107 | Float_t stmin = - 0.001; //min step size [cm] in continius process transport, negative value: choose it automatically | |
108 | ||
109 | AliMixture(++matId,"Air" ,aAir ,zAir ,dAir ,nAir ,wAir ); AliMedium(kAir ,"Air" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
110 | AliMixture(++matId,"C6F14",aC6F14,zC6F14,dC6F14,nC6F14,wC6F14); AliMedium(kC6F14,"C6F14",matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
111 | AliMixture(++matId,"SiO2" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kSiO2 ,"SiO2" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
112 | AliMixture(++matId,"CH4" ,aCH4 ,zCH4 ,dCH4 ,nCH4 ,wCH4 ); AliMedium(kCH4 ,"CH4" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
113 | AliMixture(++matId,"CsI" ,aCsI ,zCsI ,dCsI ,nCsI ,wCsI ); AliMedium(kCsI ,"CsI" ,matId, sens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);//sensitive | |
114 | ||
115 | AliMixture(++matId ,"Neo" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kNeo,"Neo" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //clm neoceram | |
116 | AliMaterial(++matId,"Roha",aRoha,zRoha,dRoha,radRoha,absRoha); AliMedium(kRoha,"Roha", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //Roha->honeycomb | |
117 | ||
118 | ||
119 | AliMaterial(++matId,"Cu" ,aCu ,zCu ,dCu ,radCu ,absCu ); AliMedium(kCu ,"Cu" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
120 | AliMaterial(++matId,"W" ,aW ,zW ,dW ,radW ,absW ); AliMedium(kW ,"W" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
121 | AliMaterial(++matId,"Al" ,aAl ,zAl ,dAl ,radAl ,absAl ); AliMedium(kAl ,"Al" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
122 | AliMaterial(++matId,"Ar" ,aAr ,zAr ,dAr ,radAr ,absAr ); AliMedium(kAr ,"Ar" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); | |
8f16e0db | 123 | }//void AliHMPID::CreateMaterials() |
124 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
125 | void AliHMPIDv2::CreateGeometry() | |
126 | { | |
127 | //Creates detailed geometry simulation (currently GEANT volumes tree) | |
128 | AliDebug(1,"Start main."); | |
129 | if(!gMC->IsRootGeometrySupported()) return; | |
130 | ||
131 | Double_t cm=1,mm=0.1*cm,um=0.001*mm;//default is cm | |
132 | ||
133 | TGeoMedium *al =gGeoManager->GetMedium("HMPID_Al"); | |
134 | TGeoMedium *ch4 =gGeoManager->GetMedium("HMPID_CH4"); | |
135 | TGeoMedium *roha =gGeoManager->GetMedium("HMPID_Roha"); | |
136 | TGeoMedium *neoc =gGeoManager->GetMedium("HMPID_Neo"); | |
137 | TGeoMedium *c6f14=gGeoManager->GetMedium("HMPID_C6F14"); | |
138 | TGeoMedium *sio2 =gGeoManager->GetMedium("HMPID_SiO2"); | |
139 | TGeoMedium *cu =gGeoManager->GetMedium("HMPID_Cu"); | |
140 | TGeoMedium *w =gGeoManager->GetMedium("HMPID_W"); | |
141 | TGeoMedium *csi =gGeoManager->GetMedium("HMPID_CsI"); | |
142 | TGeoMedium *ar =gGeoManager->GetMedium("HMPID_Ar"); | |
143 | ||
78bc9cb2 | 144 | TGeoVolume *hmp=gGeoManager->MakeBox ("Hmp",ch4,1681*mm/2, 1466*mm/2,(2*80*mm+2*60*mm)/2);//2033P1 z from p84 TDR |
8f16e0db | 145 | |
146 | TString title=GetTitle(); | |
a47b5293 | 147 | if(title.Contains("TestBeam")){ |
148 | gGeoManager->GetVolume("ALIC")->AddNode(hmp,0); | |
149 | }else{ | |
ae5a42aa | 150 | for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){//place 7 chambers |
8f16e0db | 151 | TGeoHMatrix *pMatrix=new TGeoHMatrix; |
a47b5293 | 152 | IdealPosition(iCh,pMatrix); |
8f16e0db | 153 | gGeoManager->GetVolume("ALIC")->AddNode(hmp,iCh,pMatrix); |
a47b5293 | 154 | } |
155 | } | |
8f16e0db | 156 | |
157 | TGeoRotation *rot=new TGeoRotation("HwireRot"); rot->RotateY(90); //rotate wires around Y to be along X (initially along Z) | |
158 | TGeoVolume *sbo=gGeoManager->MakeBox ("Hsbo",ch4 , 1419*mm/2 , 1378.00*mm/2 , 50.5*mm/2);//2072P1 | |
159 | TGeoVolume *cov=gGeoManager->MakeBox ("Hcov",al , 1419*mm/2 , 1378.00*mm/2 , 0.5*mm/2); | |
160 | TGeoVolume *hon=gGeoManager->MakeBox ("Hhon",roha , 1359*mm/2 , 1318.00*mm/2 , 49.5*mm/2); | |
161 | TGeoVolume *rad=gGeoManager->MakeBox ("Hrad",c6f14, 1330*mm/2 , 413.00*mm/2 , 24.0*mm/2); //2011P1 | |
162 | TGeoVolume *neo=gGeoManager->MakeBox ("Hneo",neoc , 1330*mm/2 , 413.00*mm/2 , 4.0*mm/2); | |
163 | TGeoVolume *win=gGeoManager->MakeBox ("Hwin",sio2 , 1330*mm/2 , 413.00*mm/2 , 5.0*mm/2); | |
164 | TGeoVolume *si1=gGeoManager->MakeBox ("Hsi1",sio2 , 1330*mm/2 , 5.00*mm/2 , 15.0*mm/2); | |
165 | TGeoVolume *si2=gGeoManager->MakeBox ("Hsi2",neoc , 10*mm/2 , 403.00*mm/2 , 15.0*mm/2); | |
166 | TGeoVolume *spa=gGeoManager->MakeTube("Hspa",sio2 , 0*mm , 5.00*mm , 15.0*mm/2); | |
167 | TGeoVolume *fr4=gGeoManager->MakeBox ("Hfr4",ch4 , 1407*mm/2 , 1366.00*mm/2 , 15.0*mm/2);//2043P1 | |
168 | TGeoVolume *f4a=gGeoManager->MakeBox ("Hf4a",al , 1407*mm/2 , 1366.00*mm/2 , 10.0*mm/2); | |
169 | TGeoVolume *f4i=gGeoManager->MakeBox ("Hf4i",ch4 , 1323*mm/2 , 1296.00*mm/2 , 10.0*mm/2); | |
170 | TGeoVolume *col=gGeoManager->MakeTube("Hcol",cu , 0*mm , 100.00*um , 1323.0*mm/2); | |
78bc9cb2 | 171 | TGeoVolume *sec=gGeoManager->MakeBox ("Hsec",ch4 , 648*mm/2 , 411.00*mm/2 , 6.2*mm/2);//sec=gap |
172 | ||
a47b5293 | 173 | Double_t cellx=8.04*mm,celly=8.4*mm; Int_t nPadX=80, nPadY=48; |
174 | 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 | |
175 | TGeoVolume *row= gap->Divide ("Hrow",2,nPadY,0,0);//along Y->48 rows | |
176 | TGeoVolume *cel= row->Divide ("Hcel",1,nPadX,0,0);//along X->80 cells | |
177 | TGeoVolume *cat=gGeoManager->MakeTube("Hcat",cu , 0.00*mm , 50.00*um , cellx/2); | |
178 | TGeoVolume *ano=gGeoManager->MakeTube("Hano",w , 0.00*mm , 20.00*um , cellx/2); | |
179 | TGeoVolume *pad=gGeoManager->MakeBox ("Hpad",csi , 7.54*mm/2 , 7.90*mm/2 , 1.7*mm/2); //2006P1 | |
78bc9cb2 | 180 | TGeoVolume *fr1=gGeoManager->MakeBox ("Hfr1",al , 1463*mm/2 , 1422.00*mm/2 , 58.3*mm/2);//2040P1 |
181 | TGeoVolume *fr1up=gGeoManager->MakeBox ("Hfr1up",ch4,(1426.00-37.00)*mm/2 , (1385.00-37.00)*mm/2 , 20.0*mm/2);//2040P1 | |
182 | TGeoVolume *fr1perUpBig=gGeoManager->MakeBox ("Hfr1perUpBig",ch4,1389*mm/2,35*mm/2,10*mm/2); | |
183 | TGeoVolume *fr1perUpSma=gGeoManager->MakeBox ("Hfr1perUpSma",ch4,35*mm/2,(1385-37-2*35)*mm/2,10*mm/2); | |
184 | TGeoVolume *fr1perDowBig=gGeoManager->MakeBox ("Hfr1perDowBig",ch4,1389*mm/2,46*mm/2,2.3*mm/2); | |
185 | TGeoVolume *fr1perDowSma=gGeoManager->MakeBox ("Hfr1perDowSma",ch4,46*mm/2,(1385-37-2*46)*mm/2,2.3*mm/2); | |
186 | ||
187 | TGeoVolume *ppf=gGeoManager->MakeBox ("Hppf",al , 648*mm/2 , 411.00*mm/2 , 38.3*mm/2);//2001P2 | |
188 | TGeoVolume *lar=gGeoManager->MakeBox ("Hlar",ar , 181*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2 | |
189 | TGeoVolume *smo=gGeoManager->MakeBox ("Hsmo",ar , 114*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2 | |
190 | ||
191 | ||
ae5a42aa | 192 | |
193 | TGeoVolume *fr3= gGeoManager->MakeBox("Hfr3", al, 1463*mm/2, 1422*mm/2, 34*mm/2);//2041P1 | |
194 | TGeoVolume *fr3up= gGeoManager->MakeBox("Hfr3up", ch4, 1323*mm/2, 1282*mm/2, 20*mm/2);//2041P1 | |
195 | TGeoVolume *fr3down=gGeoManager->MakeBox("Hfr3down", ch4, 1437*mm/2, 1370*mm/2, 14*mm/2);//2041P1 | |
196 | ||
197 | ||
198 | ||
8f16e0db | 199 | // ^ Y z= z=-12mm z=98.25mm ALIC->7xHmp (virtual)-->1xHsbo (virtual) --->2xHcov (real) 2072P1 |
200 | // | ____________________________________ | |-->1xHhon (real) 2072P1 | |
201 | // | | ______ ____ ______ | | | |
202 | // | | | | | * | | | |->3xHrad (virtual) --->1xHneo (real) 2011P1 | |
203 | // | |50.5mm| |24mm| * |45.5mm| | | |-->1xHwin (real) 2011P1 | |
204 | // | | | | | * | | | | |-->2xHsi1 (real) 2011P1 | |
205 | // | | | |____| * |______| | | |-->2xHsi2 (real) 2011P1 | |
206 | // | | | ____ * ______ | | |->30xHspa (real) 2011P1 | |
207 | // | | | | | * | | | | | |
208 | // | | | | | * | | | |->1xHfr4 (vitual) --->1xHf4a (real)---->1xHf4i(virtual) 2043P1 | |
209 | // | | sb | | rad| * | | | | |-->322xHcol (real) 2043P1 | |
210 | // | | | |____| * |______| | | | |
78bc9cb2 | 211 | // | | | ____ * ______ | |->1xHfr1 (real) --> 6xHppf(real) ---->8xHlar (virtual) 2001P1 |
212 | // | | | | | * | | | | |--->8xHsmo (virtual) 2001P1 | |
8f16e0db | 213 | // | | | | | * | | | | |
78bc9cb2 | 214 | // | | | | | * | | | |-> 6xHgap (virtual) --->48xHrow (virtual) -->80xHcel (virtual) -->4xHcat (real) from p84 TDR |
8f16e0db | 215 | // | |______| |____| * |______| | |-->2xHano (real) from p84 TDR |
216 | // |____________________________________| |-->1xHpad (real) from p84 TDR | |
217 | // --->Z | |
218 | hmp->AddNode(sbo ,1,new TGeoTranslation( 0*mm, 0*mm, -73.75*mm)); //p.84 TDR | |
219 | sbo->AddNode(hon ,1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); //2072P1 | |
220 | sbo->AddNode(cov ,1,new TGeoTranslation( 0*mm,0*mm, +25*mm)); | |
221 | sbo->AddNode(cov ,2,new TGeoTranslation( 0*mm,0*mm, -25*mm)); | |
222 | hmp->AddNode(rad,2,new TGeoTranslation( 0*mm,+434*mm, -12.00*mm)); | |
223 | hmp->AddNode(rad,1,new TGeoTranslation( 0*mm, 0*mm, -12.00*mm)); | |
224 | hmp->AddNode(rad,0,new TGeoTranslation( 0*mm,-434*mm, -12.00*mm)); | |
225 | rad->AddNode(neo,1,new TGeoTranslation( 0*mm, 0*mm, -10.0*mm)); | |
226 | rad->AddNode(win,1,new TGeoTranslation( 0*mm, 0*mm, 9.5*mm)); | |
227 | 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)); | |
228 | 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)); | |
229 | 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)); | |
230 | hmp->AddNode(fr4,1,new TGeoTranslation( 0*mm, 0*mm, 9.00*mm)); //p.84 TDR | |
231 | 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 | |
232 | fr4->AddNode(f4a,1,new TGeoTranslation( 0*mm,0*mm, 2.5*mm)); | |
233 | f4a->AddNode(f4i,1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); | |
78bc9cb2 | 234 | 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)); |
235 | 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)); | |
236 | 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)); | |
237 | sec->AddNode(gap,1,new TGeoTranslation(0,0,0.*mm)); | |
8f16e0db | 238 | cel->AddNode(cat,1,new TGeoCombiTrans (0, 3.15*mm , -2.70*mm , rot)); //4 cathode wires |
239 | cel->AddNode(ano,1,new TGeoCombiTrans (0, 2.00*mm , -0.29*mm , rot)); //2 anod wires | |
240 | cel->AddNode(cat,2,new TGeoCombiTrans (0, 1.05*mm , -2.70*mm , rot)); | |
241 | cel->AddNode(cat,3,new TGeoCombiTrans (0, -1.05*mm , -2.70*mm , rot)); | |
242 | cel->AddNode(ano,2,new TGeoCombiTrans (0, -2.00*mm , -0.29*mm , rot)); | |
243 | cel->AddNode(cat,4,new TGeoCombiTrans (0, -3.15*mm , -2.70*mm , rot)); | |
244 | cel->AddNode(pad,1,new TGeoTranslation(0, 0.00*mm , 2.25*mm)); //1 pad | |
78bc9cb2 | 245 | |
246 | hmp->AddNode(fr1,1,new TGeoTranslation(0.,0.,(80.+1.7)*mm+58.3*mm/2.)); | |
247 | fr1->AddNode(fr1up,1,new TGeoTranslation(0.,0.,(58.3*mm-20.00*mm)/2.)); | |
248 | ||
249 | fr1->AddNode(fr1perUpBig,0,new TGeoTranslation(0.,(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); | |
250 | fr1->AddNode(fr1perUpSma,0,new TGeoTranslation((1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); | |
251 | fr1->AddNode(fr1perUpBig,1,new TGeoTranslation(0.,-(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); | |
252 | fr1->AddNode(fr1perUpSma,1,new TGeoTranslation(-(1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.)); | |
253 | ||
254 | fr1->AddNode(fr1perDowBig,0,new TGeoTranslation(0.,(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.)); | |
255 | fr1->AddNode(fr1perDowSma,0,new TGeoTranslation((1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.)); | |
256 | fr1->AddNode(fr1perDowBig,1,new TGeoTranslation(0.,-(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.)); | |
257 | fr1->AddNode(fr1perDowSma,1,new TGeoTranslation(-(1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.)); | |
258 | ||
259 | ||
260 | 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.)); | |
261 | 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.)); | |
262 | 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.)); | |
263 | ||
264 | ||
265 | ||
266 | ||
267 | ||
268 | ||
8f16e0db | 269 | // ^ Y single cell 5.5mm CH4 = 1*mm CsI + 4.45*mm CsI x cath +0.05*mm safety margin |
270 | // | ______________________________ | |
271 | // | | | ^ || | |
272 | // | | 1.05mm || | |
273 | // 2.2*mm| xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- 50um x || cat shift x=0mm , y= 3.15mm , z=-2.70mm | |
274 | // | | || | |
275 | // | | || | |
276 | // __ | .......................... | 2.1mm 20un . || ano shift x=0mm , y= 2.00mm , z=-0.29mm | |
277 | // | | || | |
278 | // | | || | |
279 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y= 1.05mm , z=-2.70mm | |
280 | // | | || | |
281 | // | | 8.4mm || | |
282 | // 4*mm | | 2.1mm || pad shift x=0mm , y= 0.00mm , z=2.25*mm | |
283 | // | | || | |
284 | // | | || | |
285 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y=-1.05mm , z=-2.70mm | |
286 | // | | || | |
287 | // | | || | |
288 | // __ | .......................... | 2.1mm . 2.04mm|| ano shift x=0mm , y=-2.00mm , z=-0.29mm | |
289 | // | | || | |
290 | // | | || | |
291 | // | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x 4.45mm || cat shift x=0mm , y=-3.15mm , z=-2.70mm | |
292 | // 2.2*mm| | || | |
293 | // | | 1.05mm || | |
294 | // |______________________________| v || | |
295 | // < 8 mm > | |
296 | // ----->X ----->Z | |
78bc9cb2 | 297 | ppf->AddNode(lar,0,new TGeoTranslation(-224.5*mm,-151.875*mm, 0.*mm)); |
298 | ppf->AddNode(lar,1,new TGeoTranslation(-224.5*mm,- 50.625*mm, 0.*mm)); | |
299 | ppf->AddNode(lar,2,new TGeoTranslation(-224.5*mm,+ 50.625*mm, 0.*mm)); | |
300 | ppf->AddNode(lar,3,new TGeoTranslation(-224.5*mm,+151.875*mm, 0.*mm)); | |
301 | ppf->AddNode(lar,4,new TGeoTranslation(+224.5*mm,-151.875*mm, 0.*mm)); | |
302 | ppf->AddNode(lar,5,new TGeoTranslation(+224.5*mm,- 50.625*mm, 0.*mm)); | |
303 | ppf->AddNode(lar,6,new TGeoTranslation(+224.5*mm,+ 50.625*mm, 0.*mm)); | |
304 | ppf->AddNode(lar,7,new TGeoTranslation(+224.5*mm,+151.875*mm, 0.*mm)); | |
305 | ppf->AddNode(smo,0,new TGeoTranslation(- 65.0*mm,-151.875*mm, 0.*mm)); | |
306 | ppf->AddNode(smo,1,new TGeoTranslation(- 65.0*mm,- 50.625*mm, 0.*mm)); | |
307 | ppf->AddNode(smo,2,new TGeoTranslation(- 65.0*mm,+ 50.625*mm, 0.*mm)); | |
308 | ppf->AddNode(smo,3,new TGeoTranslation(- 65.0*mm,+151.875*mm, 0.*mm)); | |
309 | ppf->AddNode(smo,4,new TGeoTranslation(+ 65.0*mm,-151.875*mm, 0.*mm)); | |
310 | ppf->AddNode(smo,5,new TGeoTranslation(+ 65.0*mm,- 50.625*mm, 0.*mm)); | |
311 | ppf->AddNode(smo,6,new TGeoTranslation(+ 65.0*mm,+ 50.625*mm, 0.*mm)); | |
312 | ppf->AddNode(smo,7,new TGeoTranslation(+ 65.0*mm,+151.875*mm, 0.*mm)); | |
8f16e0db | 313 | |
ae5a42aa | 314 | hmp->AddNode(fr3,1,new TGeoTranslation(0.,0.,(80.-29.)*mm-34.*mm/2)); |
315 | fr3->AddNode( fr3up,1, new TGeoTranslation(0., 0., 7*mm)); | |
316 | fr3->AddNode(fr3down,1,new TGeoTranslation(0., 0., -10*mm)); | |
8f16e0db | 317 | |
318 | AliDebug(1,"Stop v2. HMPID option"); | |
319 | }//CreateGeometry() | |
320 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
321 | void AliHMPIDv2::Init() | |
322 | { | |
323 | // This methode defines ID for sensitive volumes, i.e. such geometry volumes for which there are if(gMC->CurrentVolID()==XXX) statements in StepManager() | |
324 | // Arguments: none | |
325 | // Returns: none | |
326 | AliDebug(1,"Start v2 HMPID."); | |
327 | fIdPad = gMC->VolId("Hpad"); | |
328 | fIdCell = gMC->VolId("Hcel"); | |
329 | AliDebug(1,"Stop v2 HMPID."); | |
330 | } | |
331 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
332 | void AliHMPIDv2::DefineOpticalProperties() | |
333 | { | |
334 | // Optical properties definition. | |
335 | const Int_t kNbins=30; //number of photon energy points | |
336 | Float_t emin=5.5,emax=8.5; //Photon energy range,[eV] | |
337 | Float_t aEckov [kNbins]; | |
a9cc07fb | 338 | Double_t dEckov [kNbins]; |
8f16e0db | 339 | Float_t aAbsRad[kNbins], aAbsWin[kNbins], aAbsGap[kNbins], aAbsMet[kNbins]; |
340 | Float_t aIdxRad[kNbins], aIdxWin[kNbins], aIdxGap[kNbins], aIdxMet[kNbins], aIdxPc[kNbins]; | |
341 | Float_t aQeAll [kNbins], aQePc [kNbins]; | |
a9cc07fb | 342 | Double_t dReflMet[kNbins], dQePc[kNbins]; |
8f16e0db | 343 | |
37bac312 | 344 | TF2 *pRaIF=new TF2("HidxRad","sqrt(1+0.554*(1239.84/x)^2/((1239.84/x)^2-5769)-0.0005*(y-20))" ,emin,emax,0,50); //DiMauro mail temp 0-50 degrees C |
8f16e0db | 345 | 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 |
346 | TF1 *pGaIF=new TF1("HidxGap","1+0.12489e-6/(2.62e-4 - x*x/1239.84/1239.84)" ,emin,emax); //?????? from where | |
347 | ||
348 | 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 | |
349 | pRaAF->SetParameters(3.20491e16,-0.00917890,0.742402,3035.37,4.81171,0.626309); | |
350 | 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 | |
351 | 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 | |
352 | ||
353 | 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 | 354 | |
355 | TString title=GetTitle(); | |
356 | Bool_t isFlatIdx=title.Contains("FlatIdx"); | |
357 | ||
8f16e0db | 358 | for(Int_t i=0;i<kNbins;i++){ |
359 | Float_t eV=emin+0.1*i; //Ckov energy in eV | |
360 | aEckov [i] =1e-9*eV; //Ckov energy in GeV | |
a9cc07fb | 361 | dEckov [i] = aEckov[i]; |
59d9d4b3 | 362 | aAbsRad[i]=pRaAF->Eval(eV); (isFlatIdx)? aIdxRad[i]=1.292: aIdxRad[i]=pRaIF->Eval(eV,20); |
363 | aAbsWin[i]=pWiAF->Eval(eV); aIdxWin[i]=pWiIF->Eval(eV); | |
364 | aAbsGap[i]=pGaAF->Eval(eV); aIdxGap[i]=pGaIF->Eval(eV); | |
8f16e0db | 365 | aQeAll[i] =1; //QE for all other materials except for PC must be 1. |
366 | aAbsMet[i] =0.0001; aIdxMet[i]=0; //metal ref idx must be 0 in order to reflect photon | |
367 | aIdxPc [i]=1; aQePc [i]=pQeF->Eval(eV); //PC ref idx must be 1 in order to apply photon to QE conversion | |
a9cc07fb | 368 | dQePc [i]=pQeF->Eval(eV); |
369 | dReflMet[i] = 0.; // no reflection on the surface of the pc (?) | |
8f16e0db | 370 | } |
371 | gMC->SetCerenkov((*fIdtmed)[kC6F14] , kNbins, aEckov, aAbsRad , aQeAll , aIdxRad ); | |
372 | gMC->SetCerenkov((*fIdtmed)[kSiO2] , kNbins, aEckov, aAbsWin , aQeAll , aIdxWin ); | |
373 | gMC->SetCerenkov((*fIdtmed)[kCH4] , kNbins, aEckov, aAbsGap , aQeAll , aIdxGap ); | |
374 | gMC->SetCerenkov((*fIdtmed)[kCu] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); | |
375 | gMC->SetCerenkov((*fIdtmed)[kW] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); //n=0 means reflect photons | |
376 | gMC->SetCerenkov((*fIdtmed)[kCsI] , kNbins, aEckov, aAbsMet , aQePc , aIdxPc ); //n=1 means convert photons | |
377 | gMC->SetCerenkov((*fIdtmed)[kAl] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); | |
a9cc07fb | 378 | |
379 | // Define a skin surface for the photocatode to enable 'detection' in G4 | |
380 | gMC->DefineOpSurface("surfPc", kGlisur /*kUnified*/,kDielectric_metal,kPolished, 0.); | |
381 | gMC->SetMaterialProperty("surfPc", "EFFICIENCY", kNbins, dEckov, dQePc); | |
382 | gMC->SetMaterialProperty("surfPc", "REFLECTIVITY", kNbins, dEckov, dReflMet); | |
383 | gMC->SetSkinSurface("skinPc", "Rpc", "surfPc"); | |
384 | ||
8f16e0db | 385 | delete pRaAF;delete pWiAF;delete pGaAF; delete pRaIF; delete pWiIF; delete pGaIF; delete pQeF; |
386 | } | |
387 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
388 | Bool_t AliHMPIDv2::IsLostByFresnel() | |
389 | { | |
390 | // Calculate probability for the photon to be lost by Fresnel reflection. | |
391 | TLorentzVector p4; | |
392 | Double_t mom[3],localMom[3]; | |
393 | gMC->TrackMomentum(p4); mom[0]=p4(1); mom[1]=p4(2); mom[2]=p4(3); | |
394 | localMom[0]=0; localMom[1]=0; localMom[2]=0; | |
395 | gMC->Gmtod(mom,localMom,2); | |
396 | Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2]; | |
397 | Double_t localTheta = TMath::ATan2(TMath::Sqrt(localTc),localMom[1]); | |
398 | Double_t cotheta = TMath::Abs(TMath::Cos(localTheta)); | |
399 | if(gMC->GetRandom()->Rndm() < Fresnel(p4.E()*1e9,cotheta,1)){ | |
400 | AliDebug(1,"Photon lost"); | |
401 | return kTRUE; | |
402 | }else | |
403 | return kFALSE; | |
404 | }//IsLostByFresnel() | |
405 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
406 | void AliHMPIDv2::GenFee(Float_t qtot) | |
407 | { | |
408 | // Generate FeedBack photons for the current particle. To be invoked from StepManager(). | |
409 | // eloss=0 means photon so only pulse height distribution is to be analysed. | |
410 | TLorentzVector x4; | |
411 | gMC->TrackPosition(x4); | |
412 | Int_t iNphotons=gMC->GetRandom()->Poisson(0.02*qtot); //# of feedback photons is proportional to the charge of hit | |
413 | AliDebug(1,Form("N photons=%i",iNphotons)); | |
414 | Int_t j; | |
415 | Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4]; | |
416 | //Generate photons | |
417 | for(Int_t i=0;i<iNphotons;i++){//feedbacks loop | |
418 | Double_t ranf[2]; | |
419 | gMC->GetRandom()->RndmArray(2,ranf); //Sample direction | |
420 | cthf=ranf[0]*2-1.0; | |
421 | if(cthf<0) continue; | |
422 | sthf = TMath::Sqrt((1 - cthf) * (1 + cthf)); | |
423 | phif = ranf[1] * 2 * TMath::Pi(); | |
424 | ||
425 | if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57) | |
426 | enfp = 7.5e-9; | |
427 | else if(randomNumber<=0.7) | |
428 | enfp = 6.4e-9; | |
429 | else | |
430 | enfp = 7.9e-9; | |
431 | ||
432 | ||
433 | dir[0] = sthf * TMath::Sin(phif); dir[1] = cthf; dir[2] = sthf * TMath::Cos(phif); | |
434 | gMC->Gdtom(dir, mom, 2); | |
435 | mom[0]*=enfp; mom[1]*=enfp; mom[2]*=enfp; | |
436 | mom[3] = TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]+mom[2]*mom[2]); | |
437 | ||
438 | // Polarisation | |
439 | e1[0]= 0; e1[1]=-dir[2]; e1[2]= dir[1]; | |
440 | e2[0]=-dir[1]; e2[1]= dir[0]; e2[2]= 0; | |
441 | e3[0]= dir[1]; e3[1]= 0; e3[2]=-dir[0]; | |
442 | ||
443 | vmod=0; | |
444 | for(j=0;j<3;j++) vmod+=e1[j]*e1[j]; | |
445 | if (!vmod) for(j=0;j<3;j++) { | |
446 | uswop=e1[j]; | |
447 | e1[j]=e3[j]; | |
448 | e3[j]=uswop; | |
449 | } | |
450 | vmod=0; | |
451 | for(j=0;j<3;j++) vmod+=e2[j]*e2[j]; | |
452 | if (!vmod) for(j=0;j<3;j++) { | |
453 | uswop=e2[j]; | |
454 | e2[j]=e3[j]; | |
455 | e3[j]=uswop; | |
456 | } | |
457 | ||
458 | 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; | |
459 | 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; | |
460 | ||
461 | phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi(); | |
462 | for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi); | |
463 | gMC->Gdtom(pol, pol, 2); | |
464 | Int_t outputNtracksStored; | |
465 | gAlice->GetMCApp()->PushTrack(1, //transport | |
466 | gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track | |
467 | 50000051, //PID | |
468 | mom[0],mom[1],mom[2],mom[3], //track momentum | |
469 | x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin | |
470 | pol[0],pol[1],pol[2], //polarization | |
471 | kPFeedBackPhoton, //process ID | |
472 | outputNtracksStored, //on return how many new photons stored on stack | |
473 | 1.0); //weight | |
474 | }//feedbacks loop | |
475 | AliDebug(1,"Stop."); | |
476 | }//GenerateFeedbacks() | |
477 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
478 | void AliHMPIDv2::Hits2SDigits() | |
479 | { | |
480 | // Interface method ivoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits. | |
481 | // Arguments: none | |
482 | // Returns: none | |
483 | AliDebug(1,"Start."); | |
484 | for(Int_t iEvt=0;iEvt < GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvt++){ //events loop | |
485 | GetLoader()->GetRunLoader()->GetEvent(iEvt); //get next event | |
486 | ||
487 | if(!GetLoader()->TreeH()) {GetLoader()->LoadHits(); } | |
488 | if(!GetLoader()->TreeS()) {GetLoader()->MakeTree("S"); MakeBranch("S");}//to | |
489 | ||
490 | for(Int_t iEnt=0;iEnt<GetLoader()->TreeH()->GetEntries();iEnt++){//prims loop | |
491 | GetLoader()->TreeH()->GetEntry(iEnt); | |
492 | Hit2Sdi(Hits(),SdiLst()); | |
493 | }//prims loop | |
494 | GetLoader()->TreeS()->Fill(); | |
495 | GetLoader()->WriteSDigits("OVERWRITE"); | |
496 | SdiReset(); | |
497 | }//events loop | |
498 | GetLoader()->UnloadHits(); | |
499 | GetLoader()->UnloadSDigits(); | |
500 | AliDebug(1,"Stop."); | |
501 | }//Hits2SDigits() | |
502 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
503 | void AliHMPIDv2::Hit2Sdi(TClonesArray *pHitLst,TClonesArray *pSdiLst) | |
504 | { | |
505 | // Converts list of hits to list of sdigits. | |
506 | // Arguments: pHitLst - list of hits provided not empty | |
507 | // pSDigLst - list of sdigits where to store the results | |
508 | // Returns: none | |
509 | for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){ //hits loop | |
510 | AliHMPIDHit *pHit=(AliHMPIDHit*)pHitLst->At(iHit); //get pointer to current hit | |
511 | pHit->Hit2Sdi(pSdiLst); //convert this hit to list of sdigits | |
512 | }//hits loop loop | |
513 | }//Hits2Sdi() | |
514 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
515 | void AliHMPIDv2::Digits2Raw() | |
516 | { | |
517 | // Interface method invoked by AliSimulation to create raw data streams from digits. Events loop is done in AliSimulation | |
518 | // Arguments: none | |
519 | // Returns: none | |
520 | AliDebug(1,"Start."); | |
521 | GetLoader()->LoadDigits(); | |
522 | TTree * treeD = GetLoader()->TreeD(); | |
523 | if(!treeD) { | |
524 | AliError("No digits tree!"); | |
525 | return; | |
526 | } | |
527 | treeD->GetEntry(0); | |
528 | ||
21f61e25 | 529 | |
aa85549f | 530 | AliHMPIDRawStream *pRS=0x0; |
21f61e25 | 531 | pRS->WriteRaw(DigLst()); |
532 | ||
8f16e0db | 533 | GetLoader()->UnloadDigits(); |
534 | AliDebug(1,"Stop."); | |
535 | }//Digits2Raw() | |
536 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
537 | Float_t AliHMPIDv2::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola) | |
538 | { | |
539 | // Correction for Fresnel ??????????? | |
540 | // Arguments: ene - photon energy [GeV], | |
541 | // PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.) | |
542 | // Returns: | |
543 | 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, | |
544 | 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, | |
545 | 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5}; | |
546 | Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05, | |
547 | 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11, | |
548 | 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95, | |
549 | 1.72,1.53}; | |
550 | Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543, | |
551 | 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878, | |
552 | 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824, | |
553 | 1.714,1.498}; | |
554 | Float_t xe=ene; | |
555 | Int_t j=Int_t(xe*10)-49; | |
556 | Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]); | |
557 | Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]); | |
558 | ||
559 | //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR | |
560 | //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197 | |
561 | ||
562 | Float_t sinin=TMath::Sqrt(1-pdoti*pdoti); | |
563 | Float_t tanin=sinin/pdoti; | |
564 | ||
565 | Float_t c1=cn*cn-ck*ck-sinin*sinin; | |
566 | Float_t c2=4*cn*cn*ck*ck; | |
567 | Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1)); | |
568 | Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1); | |
569 | ||
570 | Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2); | |
571 | Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2); | |
572 | ||
573 | ||
574 | //CORRECTION FACTOR FOR SURFACE ROUGHNESS | |
575 | //B.J. STAGG APPLIED OPTICS, 30(1991),4113 | |
576 | ||
577 | Float_t sigraf=18.; | |
578 | Float_t lamb=1240/ene; | |
579 | Float_t fresn; | |
580 | ||
581 | Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb)); | |
582 | ||
583 | if(pola) | |
584 | { | |
585 | Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S | |
586 | fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr)); | |
587 | } | |
588 | else | |
589 | fresn=0.5*(rp+rs); | |
590 | ||
591 | fresn = fresn*rO; | |
592 | return fresn; | |
593 | }//Fresnel() | |
594 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
595 | void AliHMPIDv2::Print(Option_t *option)const | |
596 | { | |
597 | // Debug printout | |
598 | TObject::Print(option); | |
599 | }//void AliHMPID::Print(Option_t *option)const | |
600 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
601 | Bool_t AliHMPIDv2::Raw2SDigits(AliRawReader *pRR) | |
602 | { | |
603 | // Interface methode ivoked from AliSimulation to create a list of sdigits from raw digits. Events loop is done in AliSimulation | |
604 | // Arguments: pRR- raw reader | |
605 | // Returns: kTRUE on success (currently ignored in AliSimulation::ConvertRaw2SDigits()) | |
21f61e25 | 606 | |
8f16e0db | 607 | AliHMPIDDigit sdi; //tmp sdigit, raw digit will be converted to it |
8f16e0db | 608 | if(!GetLoader()->TreeS()) {MakeTree("S"); MakeBranch("S");} |
609 | ||
610 | TClonesArray *pSdiLst=SdiLst(); Int_t iSdiCnt=0; //tmp list of sdigits for all chambers | |
21f61e25 | 611 | AliHMPIDRawStream stream(pRR); |
612 | while(stream.Next()) | |
613 | { | |
614 | UInt_t ddl=stream.GetDDLNumber(); //returns 0,1,2 ... 13 | |
615 | for(Int_t row = 1; row <=AliHMPIDRawStream::kNRows; row++){ | |
616 | for(Int_t dil = 1; dil <=AliHMPIDRawStream::kNDILOGICAdd; dil++){ | |
617 | for(Int_t pad = 0; pad < AliHMPIDRawStream::kNPadAdd; pad++){ | |
618 | if(stream.GetCharge(ddl,row,dil,pad)<1) continue; | |
619 | AliHMPIDDigit sdi(stream.GetPad(ddl,row,dil,pad),stream.GetCharge(ddl,row,dil,pad)); | |
620 | new((*pSdiLst)[iSdiCnt++]) AliHMPIDDigit(sdi); //add this digit to the tmp list | |
621 | }//pad | |
622 | }//dil | |
623 | }//row | |
624 | } | |
625 | ||
8f16e0db | 626 | GetLoader()->TreeS()->Fill(); GetLoader()->WriteSDigits("OVERWRITE");//write out sdigits |
627 | SdiReset(); | |
628 | return kTRUE; | |
629 | }//Raw2SDigits | |
630 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
631 | void AliHMPIDv2::StepCount() | |
632 | { | |
633 | // Count number of ckovs created | |
634 | } | |
635 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
636 | void AliHMPIDv2::StepHistory() | |
637 | { | |
638 | // This methode is invoked from StepManager() in order to print out | |
639 | static Int_t iStepN; | |
640 | const char *sParticle; | |
641 | switch(gMC->TrackPid()){ | |
642 | case kProton: sParticle="PROTON" ;break; | |
643 | case kNeutron: sParticle="neutron" ;break; | |
644 | case kGamma: sParticle="gamma" ;break; | |
645 | case 50000050: sParticle="CKOV" ;break; | |
646 | case kPi0: sParticle="Pi0" ;break; | |
647 | case kPiPlus: sParticle="Pi+" ;break; | |
648 | case kPiMinus: sParticle="Pi-" ;break; | |
649 | case kElectron: sParticle="electron" ;break; | |
650 | default: sParticle="not known" ;break; | |
651 | } | |
652 | ||
653 | TString flag="fanny combination"; | |
654 | if(gMC->IsTrackAlive()) | |
655 | if(gMC->IsTrackEntering()) flag="enters to"; | |
656 | else if(gMC->IsTrackExiting()) flag="exits from"; | |
657 | else if(gMC->IsTrackInside()) flag="inside"; | |
658 | else | |
659 | if(gMC->IsTrackStop()) flag="stoped in"; | |
660 | ||
8f16e0db | 661 | Int_t vid=0,copy=0; |
662 | TString path=gMC->CurrentVolName(); path.Prepend("-");path.Prepend(gMC->CurrentVolOffName(1));//current volume and his mother are always there | |
663 | vid=gMC->CurrentVolOffID(2,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));} | |
664 | vid=gMC->CurrentVolOffID(3,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));} | |
665 | ||
666 | ||
667 | 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()); | |
668 | ||
669 | Double_t gMcTrackPos[3]; gMC->TrackPosition(gMcTrackPos[0],gMcTrackPos[1],gMcTrackPos[2]); | |
670 | Double_t gMcTrackPosLoc[3]; gMC->Gmtod(gMcTrackPos,gMcTrackPosLoc,1); | |
671 | 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]); | |
672 | ||
673 | ||
674 | ||
675 | Printf("Step %i: tid=%i flags alive=%i disap=%i enter=%i exit=%i inside=%i out=%i stop=%i new=%i", | |
676 | iStepN, gAlice->GetMCApp()->GetCurrentTrackNumber(), | |
677 | gMC->IsTrackAlive(), gMC->IsTrackDisappeared(),gMC->IsTrackEntering(), gMC->IsTrackExiting(), | |
678 | gMC->IsTrackInside(),gMC->IsTrackOut(), gMC->IsTrackStop(), gMC->IsNewTrack()); | |
679 | ||
680 | Float_t a,z,den,rad,abs; a=z=den=rad=abs=-1; | |
681 | Int_t mid=gMC->CurrentMaterial(a,z,den,rad,abs); | |
682 | 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); | |
683 | ||
684 | TArrayI proc; gMC->StepProcesses(proc); | |
685 | Printf("Processes in this step:"); | |
686 | for ( int i = 0 ; i < proc.GetSize(); i++) | |
687 | { | |
688 | Printf("%s",TMCProcessName[proc.At(i)]); | |
689 | } | |
690 | Printf("End process list"); | |
691 | ||
692 | iStepN++; | |
693 | }//StepHistory() | |
694 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
695 | void AliHMPIDv2::StepManager() | |
696 | { | |
697 | // Full Step Manager. | |
698 | // Arguments: none | |
699 | // Returns: none | |
700 | // StepHistory(); return; //uncomment to print tracks history | |
701 | // StepCount(); return; //uncomment to count photons | |
702 | ||
703 | Int_t copy; //volume copy aka node | |
704 | ||
705 | //Treat photons | |
706 | if((gMC->TrackPid()==50000050||gMC->TrackPid()==50000051)&&gMC->CurrentVolID(copy)==fIdPad){ //photon (Ckov or feedback) hit PC (fIdPad) | |
707 | if(gMC->Edep()>0){ //photon survided QE test i.e. produces electron | |
708 | if(IsLostByFresnel()){ gMC->StopTrack(); return;} //photon lost due to fersnel reflection on PC | |
59d9d4b3 | 709 | gMC->CurrentVolOffID(5,copy); //current chamber since geomtry tree is Hmp-Hsec-Hgap-Hrow-Hcel-Hpad |
8f16e0db | 710 | Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID |
711 | Int_t pid= gMC->TrackPid(); //take PID | |
712 | Float_t etot= gMC->Etot(); //total hpoton energy, [GeV] | |
713 | Double_t x[3]; gMC->TrackPosition(x[0],x[1],x[2]); //take MARS position at entrance to PC | |
714 | Float_t xl,yl; AliHMPIDParam::Instance()->Mars2Lors(copy,x,xl,yl); //take LORS position | |
8f16e0db | 715 | new((*fHits)[fNhits++])AliHMPIDHit(copy,etot,pid,tid,xl,yl,x); //HIT for photon, position at P, etot will be set to Q |
59d9d4b3 | 716 | if(fDoFeed) GenFee(etot); //generate feedback photons etot is modified in hit ctor to Q of hit |
8f16e0db | 717 | }//photon hit PC and DE >0 |
718 | }//photon hit PC | |
719 | ||
720 | //Treat charged particles | |
721 | static Float_t eloss; //need to store mip parameters between different steps | |
12419ec4 | 722 | static Double_t in[3]; |
723 | if(gMC->IsTrackEntering() && gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdPad) //Trackref stored when entering in the pad volume | |
5e2a2ffa | 724 | AddTrackReference(gMC->GetStack()->GetCurrentTrackNumber(), AliTrackReference::kHMPID); //for acceptance calculations |
8f16e0db | 725 | if(gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdCell){ //charged particle in amplification gap (fIdCell) |
726 | if(gMC->IsTrackEntering()||gMC->IsNewTrack()) { //entering or newly created | |
727 | eloss=0; //reset Eloss collector | |
728 | gMC->TrackPosition(in[0],in[1],in[2]); //take position at the entrance | |
729 | }else if(gMC->IsTrackExiting()||gMC->IsTrackStop()||gMC->IsTrackDisappeared()){ //exiting or disappeared | |
730 | eloss +=gMC->Edep(); //take into account last step Eloss | |
731 | gMC->CurrentVolOffID(4,copy); //take current chamber since geometry tree is Hmp-Hsec-Hgap-Hrow-Hcel | |
732 | Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID | |
733 | Int_t pid= gMC->TrackPid(); //take PID | |
734 | Double_t out[3]; gMC->TrackPosition(out[0],out[1],out[2]); //take MARS position at exit | |
735 | out[0]=0.5*(out[0]+in[0]); //> | |
736 | out[1]=0.5*(out[1]+in[1]); //take hit position at the anod plane | |
737 | out[2]=0.5*(out[2]+in[2]); //> | |
738 | Float_t xl,yl;AliHMPIDParam::Instance()->Mars2Lors(copy,out,xl,yl); //take LORS position | |
8f16e0db | 739 | 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 | 740 | if(fDoFeed) GenFee(eloss); //generate feedback photons |
8f16e0db | 741 | }else //just going inside |
742 | eloss += gMC->Edep(); //collect this step eloss | |
743 | }//MIP in GAP | |
744 | }//StepManager() | |
745 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
80c418c4 | 746 | void AliHMPIDv2::TestPoint(Int_t ch,Float_t x,Float_t y) |
747 | { | |
748 | // Utility method to check the validity of geometry by poviding some crucial points | |
749 | // Arguments: ch,x,y- crucial point definition (cm) in LORS | |
750 | // Returns: none | |
751 | Double_t mars[3]; | |
752 | AliHMPIDParam::Instance()->Lors2Mars(ch,x,y,mars); | |
753 | Printf("(ch=%i,locX=%.2f,locY=%.2f) %s",ch,x,y,gGeoManager->FindNode(mars[0],mars[1],mars[2])->GetName()); | |
754 | }//TestPoint() | |
755 | //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ | |
756 | void AliHMPIDv2::TestGeom() | |
757 | { | |
a137507f | 758 | // |
759 | // Test method to check geometry | |
760 | // | |
e4290ede | 761 | //TGeoManager::Import("misaligned_geometry.root"); |
762 | TGeoManager::Import("geometry.root"); | |
ae5a42aa | 763 | for(Int_t ch=AliHMPIDParam::kMinCh;ch<=AliHMPIDParam::kMaxCh;ch++) |
80c418c4 | 764 | TestPoint(ch,0,0); |
a137507f | 765 | }//TestPoint() |
a47b5293 | 766 | //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
767 | ||
768 | void AliHMPIDv2::IdealPosition(Int_t iCh,TGeoHMatrix *pMatrix) //ideal position of given chamber | |
769 | { | |
770 | // Construct ideal position matrix for a given chamber | |
771 | // Arguments: iCh- chamber ID; pMatrix- pointer to precreated unity matrix where to store the results | |
772 | // Returns: none | |
773 | const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad | |
774 | const Double_t kAngVer=20; // vertical angle between chambers 20 grad | |
775 | const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad | |
776 | const Double_t kTrans[3]={490,0,0}; // center of the chamber is on window-gap surface | |
777 | pMatrix->RotateY(90); // rotate around y since initial position is in XY plane -> now in YZ plane | |
778 | pMatrix->SetTranslation(kTrans); // now plane in YZ is shifted along x | |
779 | switch(iCh){ | |
780 | case 0: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down | |
781 | case 1: pMatrix->RotateZ(-kAngVer); break; //down | |
782 | case 2: pMatrix->RotateY(kAngHor); break; //right | |
783 | case 3: break; //no rotation | |
784 | case 4: pMatrix->RotateY(-kAngHor); break; //left | |
785 | case 5: pMatrix->RotateZ(kAngVer); break; //up | |
786 | case 6: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up | |
787 | } | |
788 | pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane | |
789 | } |