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4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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17 /* History of cvs commits:
21 * Revision 1.54 2007/12/06 10:31:13 hristov
22 * Bug fix: using the mapping from CDB
24 * Revision 1.53.10.1 2007/12/06 10:29:59 hristov
25 * Bug fix: using the mapping from CDB
27 * Revision 1.53 2007/03/17 19:56:38 mvl
28 * Moved signal shape routines from AliEMCAL to separate class AliEMCALRawUtils to streamline raw data reconstruction code.
30 * Revision 1.52 2007/03/10 22:19:01 pavlinov
31 * move one varibels from AliEMCALv2 to AliEMCAL
33 * Revision 1.51 2007/02/24 20:42:35 pavlinov
34 * fixed error of Geant3 parameters initialisation
36 * Revision 1.50 2007/02/05 10:43:25 hristov
37 * Changes for correct initialization of Geant4 (Mihaela)
39 * Revision 1.49 2007/01/22 17:29:12 pavlinov
40 * EMCAL geometry can be created independently form anything now
42 * Revision 1.48 2006/12/19 02:34:13 pavlinov
43 * clean up the EMCAL name scheme : super module -> module -> tower (or cell)
45 * Revision 1.47 2006/12/05 17:12:03 gustavo
46 * Updated AliEMCAL::Digits2Raw, reads first provisional RCU mapping files to make Raw data with new AliCaloAltroMapping and AliCaloRawStream
50 //_________________________________________________________________________
51 // Base Class for EMCAL description:
52 // This class contains material definitions
53 // for the EMCAL - It does not place the detector in Alice
54 //*-- Author: Yves Schutz (SUBATECH)
56 //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT)
58 //////////////////////////////////////////////////////////////////////////////
60 // --- ROOT system ---
64 #include <TVirtualMC.h>
69 // --- Standard library ---
71 // --- AliRoot header files ---
75 #include "AliEMCALLoader.h"
76 #include "AliEMCALSDigitizer.h"
77 #include "AliEMCALDigitizer.h"
78 #include "AliEMCALDigit.h"
79 #include "AliEMCALRawUtils.h"
80 #include "AliCDBManager.h"
81 #include "AliCDBEntry.h"
85 //____________________________________________________________________________
97 // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry
100 //____________________________________________________________________________
101 AliEMCAL::AliEMCAL(const char* name, const char* title)
102 : AliDetector(name,title),
108 // ctor : title is used to identify the layout
112 //____________________________________________________________________________
113 AliEMCAL::~AliEMCAL()
118 //____________________________________________________________________________
119 void AliEMCAL::InitConstants()
121 //initialize EMCAL values
123 fBirkC1 = 0.013/1.032;
124 fBirkC2 = 9.6e-6/(1.032 * 1.032);
127 //____________________________________________________________________________
128 void AliEMCAL::DefineMediumParameters()
131 // EMCAL cuts (Geant3)
133 Int_t * idtmed = fIdtmed->GetArray() - 1599 ;
134 // --- Set decent energy thresholds for gamma and electron tracking
136 // Tracking threshold for photons and electrons in Lead
137 Float_t cutgam=10.e-5; // 100 kev;
138 Float_t cutele=10.e-5; // 100 kev;
139 TString ntmp(GetTitle());
141 if(ntmp.Contains("10KEV")) {
142 cutele = cutgam = 1.e-5;
143 } else if(ntmp.Contains("50KEV")) {
144 cutele = cutgam = 5.e-5;
145 } else if(ntmp.Contains("100KEV")) {
146 cutele = cutgam = 1.e-4;
147 } else if(ntmp.Contains("200KEV")) {
148 cutele = cutgam = 2.e-4;
149 } else if(ntmp.Contains("500KEV")) {
150 cutele = cutgam = 5.e-4;
153 gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam);
154 gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05
155 gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
156 gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
157 // --- Generate explicitly delta rays in Lead ---
158 gMC->Gstpar(idtmed[1600], "LOSS", 3) ;
159 gMC->Gstpar(idtmed[1600], "DRAY", 1) ;
160 gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ;
161 gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ;
163 // --- in aluminium parts ---
164 gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ;
165 gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ;
166 gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
167 gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
168 gMC->Gstpar(idtmed[1602], "LOSS",3.) ;
169 gMC->Gstpar(idtmed[1602], "DRAY",1.) ;
170 gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ;
171 gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ;
173 // --- and finally thresholds for photons and electrons in the scintillator ---
174 gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ;
175 gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05
176 gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
177 gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
178 gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays
179 gMC->Gstpar(idtmed[1601], "DRAY",1) ;
180 gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ;
181 gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ;
184 gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam);
185 gMC->Gstpar(idtmed[1603],"CUTELE", cutele);
186 gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM
187 gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM
188 // --- Generate explicitly delta rays
189 gMC->Gstpar(idtmed[1603], "LOSS",3);
190 gMC->Gstpar(idtmed[1603], "DRAY",1);
191 gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ;
192 gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ;
194 AliEMCALGeometry* geom = GetGeometry();
195 if(geom->GetILOSS()>=0) {
196 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ;
198 if(geom->GetIHADR()>=0) {
199 for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ;
203 //____________________________________________________________________________
204 AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const
206 //create and return the digitizer
207 return new AliEMCALDigitizer(manager);
210 //____________________________________________________________________________
211 void AliEMCAL::CreateMaterials()
213 // Definitions of materials to build EMCAL and associated tracking media.
214 // media number in idtmed are 1599 to 1698.
216 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
217 Float_t zAir[4]={6.,7.,8.,18.};
218 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
219 Float_t dAir = 1.20479E-3;
220 AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ;
223 AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
226 // --- The polysterene scintillator (CH) ---
227 Float_t aP[2] = {12.011, 1.00794} ;
228 Float_t zP[2] = {6.0, 1.0} ;
229 Float_t wP[2] = {1.0, 1.0} ;
232 AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ;
235 AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
236 // --- Absorption length is ignored ^
238 // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition
239 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
240 Float_t zsteel[4] = { 26.,24.,28.,14. };
241 Float_t wsteel[4] = { .715,.18,.1,.005 };
242 AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
244 // DEFINITION OF THE TRACKING MEDIA
246 // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100]
247 Int_t isxfld = gAlice->Field()->Integ() ;
248 Float_t sxmgmx = gAlice->Field()->Max() ;
250 // Air -> idtmed[1599]
251 AliMedium(0, "Air$", 0, 0,
252 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
254 // The Lead -> idtmed[1600]
256 AliMedium(1, "Lead$", 1, 0,
257 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
259 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601]
260 float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax )
261 AliMedium(2, "Scintillator$", 2, 1,
262 isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ;
264 // Various Aluminium parts made of Al -> idtmed[1602]
265 AliMedium(3, "Al$", 3, 0,
266 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
268 // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603]
269 AliMedium(4, "S steel$", 4, 0,
270 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
273 //set constants for Birk's Law implentation
276 fBirkC2 = 9.6e-6/(dP * dP);
278 // Call just in case of Geant3; What to do in case of Geant4 ?
279 if(gMC->InheritsFrom("TGeant3")) DefineMediumParameters(); // Feb 20, 2007
281 //____________________________________________________________________________
282 void AliEMCAL::Digits2Raw() {
284 static AliEMCALRawUtils rawUtils;
285 rawUtils.Digits2Raw();
288 //____________________________________________________________________________
289 void AliEMCAL::Hits2SDigits()
291 // create summable digits
294 AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
295 emcalDigitizer.SetEventRange(0, -1) ; // do all the events
296 emcalDigitizer.ExecuteTask() ;
299 //____________________________________________________________________________
301 AliLoader* AliEMCAL::MakeLoader(const char* topfoldername)
303 //different behaviour than standard (singleton getter)
304 // --> to be discussed and made eventually coherent
305 fLoader = new AliEMCALLoader(GetName(),topfoldername);