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2012850d | 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 | /* $Id$ */ | |
2012850d | 17 | //_________________________________________________________________________ |
18 | // Base Class for EMCAL description: | |
ffa6d63b | 19 | // This class contains material definitions |
20 | // for the EMCAL - It does not place the detector in Alice | |
2012850d | 21 | //*-- Author: Yves Schutz (SUBATECH) |
b13bbe81 | 22 | // |
23 | //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT) | |
24 | // | |
2012850d | 25 | ////////////////////////////////////////////////////////////////////////////// |
26 | ||
2012850d | 27 | // --- ROOT system --- |
b13bbe81 | 28 | class TFile; |
88cb7938 | 29 | #include <TFolder.h> |
f7a1cc68 | 30 | #include <TGeoGlobalMagField.h> |
31 | #include <TGraph.h> | |
046ae904 | 32 | #include <TH1F.h> |
046ae904 | 33 | #include <TRandom.h> |
f7a1cc68 | 34 | #include <TTree.h> |
35 | #include <TVirtualMC.h> | |
2012850d | 36 | |
05a92d59 | 37 | // --- Standard library --- |
2012850d | 38 | |
05a92d59 | 39 | // --- AliRoot header files --- |
2012850d | 40 | #include "AliMagF.h" |
88cb7938 | 41 | #include "AliEMCAL.h" |
85a5290f | 42 | #include "AliRun.h" |
5dee926e | 43 | #include "AliEMCALLoader.h" |
85a5290f | 44 | #include "AliEMCALSDigitizer.h" |
45 | #include "AliEMCALDigitizer.h" | |
5dee926e | 46 | #include "AliEMCALDigit.h" |
ee299369 | 47 | #include "AliEMCALRawUtils.h" |
3294dade | 48 | #include "AliCDBManager.h" |
49 | #include "AliCDBEntry.h" | |
50 | ||
2012850d | 51 | ClassImp(AliEMCAL) |
4884333f | 52 | |
2012850d | 53 | //____________________________________________________________________________ |
18a21c7c | 54 | AliEMCAL::AliEMCAL() |
55 | : AliDetector(), | |
56 | fBirkC0(0), | |
57 | fBirkC1(0.), | |
58 | fBirkC2(0.), | |
23ef18ac | 59 | fGeometry(0) |
2012850d | 60 | { |
05a92d59 | 61 | // Default ctor |
046ae904 | 62 | fName = "EMCAL" ; |
7235aed2 | 63 | InitConstants(); |
65bdc82f | 64 | |
23ef18ac | 65 | // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry |
2012850d | 66 | } |
05a92d59 | 67 | |
2012850d | 68 | //____________________________________________________________________________ |
18a21c7c | 69 | AliEMCAL::AliEMCAL(const char* name, const char* title) |
70 | : AliDetector(name,title), | |
71 | fBirkC0(0), | |
72 | fBirkC1(0.), | |
73 | fBirkC2(0.), | |
23ef18ac | 74 | fGeometry(0) |
05a92d59 | 75 | { |
76 | // ctor : title is used to identify the layout | |
7235aed2 | 77 | InitConstants(); |
0a4cb131 | 78 | } |
79 | ||
2012850d | 80 | //____________________________________________________________________________ |
05a92d59 | 81 | AliEMCAL::~AliEMCAL() |
82 | { | |
14ce0a6e | 83 | //dtor |
2012850d | 84 | } |
85 | ||
0a4cb131 | 86 | //____________________________________________________________________________ |
7235aed2 | 87 | void AliEMCAL::InitConstants() |
0a4cb131 | 88 | { |
89 | //initialize EMCAL values | |
90 | fBirkC0 = 1; | |
91 | fBirkC1 = 0.013/1.032; | |
92 | fBirkC2 = 9.6e-6/(1.032 * 1.032); | |
ee299369 | 93 | } |
0a4cb131 | 94 | |
b8a520ff | 95 | //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. |
96 | //Load the modified one in the configuration file with SetTransPar | |
97 | // //____________________________________________________________________________ | |
98 | // void AliEMCAL::DefineMediumParameters() | |
99 | // { | |
100 | // // | |
101 | // // EMCAL cuts (Geant3) | |
102 | // // | |
103 | // Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
104 | // // --- Set decent energy thresholds for gamma and electron tracking | |
105 | ||
106 | // // Tracking threshold for photons and electrons in Lead | |
107 | // Float_t cutgam=10.e-5; // 100 kev; | |
108 | // Float_t cutele=10.e-5; // 100 kev; | |
109 | // TString ntmp(GetTitle()); | |
110 | // ntmp.ToUpper(); | |
111 | // if(ntmp.Contains("10KEV")) { | |
112 | // cutele = cutgam = 1.e-5; | |
113 | // } else if(ntmp.Contains("50KEV")) { | |
114 | // cutele = cutgam = 5.e-5; | |
115 | // } else if(ntmp.Contains("100KEV")) { | |
116 | // cutele = cutgam = 1.e-4; | |
117 | // } else if(ntmp.Contains("200KEV")) { | |
118 | // cutele = cutgam = 2.e-4; | |
119 | // } else if(ntmp.Contains("500KEV")) { | |
120 | // cutele = cutgam = 5.e-4; | |
121 | // } | |
122 | ||
123 | // gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam); | |
124 | // gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05 | |
125 | // gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
126 | // gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
127 | // // --- Generate explicitly delta rays in Lead --- | |
128 | // gMC->Gstpar(idtmed[1600], "LOSS", 3) ; | |
129 | // gMC->Gstpar(idtmed[1600], "DRAY", 1) ; | |
130 | // gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ; | |
131 | // gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ; | |
132 | ||
133 | // // --- in aluminium parts --- | |
134 | // gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ; | |
135 | // gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ; | |
136 | // gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
137 | // gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
138 | // gMC->Gstpar(idtmed[1602], "LOSS",3.) ; | |
139 | // gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
140 | // gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ; | |
141 | // gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ; | |
142 | ||
143 | // // --- and finally thresholds for photons and electrons in the scintillator --- | |
144 | // gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ; | |
145 | // gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05 | |
146 | // gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
147 | // gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
148 | // gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays | |
149 | // gMC->Gstpar(idtmed[1601], "DRAY",1) ; | |
150 | // gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ; | |
151 | // gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ; | |
152 | ||
153 | // // S steel - | |
154 | // gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam); | |
155 | // gMC->Gstpar(idtmed[1603],"CUTELE", cutele); | |
156 | // gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
157 | // gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
158 | // // --- Generate explicitly delta rays | |
159 | // gMC->Gstpar(idtmed[1603], "LOSS",3); | |
160 | // gMC->Gstpar(idtmed[1603], "DRAY",1); | |
161 | // gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ; | |
162 | // gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ; | |
163 | ||
164 | // AliEMCALGeometry* geom = GetGeometry(); | |
165 | // if(geom->GetILOSS()>=0) { | |
166 | // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ; | |
167 | // } | |
168 | // if(geom->GetIHADR()>=0) { | |
169 | // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ; | |
170 | // } | |
171 | // } | |
7235aed2 | 172 | |
173 | //____________________________________________________________________________ | |
174 | AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const | |
175 | { | |
176 | //create and return the digitizer | |
177 | return new AliEMCALDigitizer(manager); | |
178 | } | |
179 | ||
180 | //____________________________________________________________________________ | |
181 | void AliEMCAL::CreateMaterials() | |
182 | { | |
183 | // Definitions of materials to build EMCAL and associated tracking media. | |
184 | // media number in idtmed are 1599 to 1698. | |
185 | // --- Air --- | |
186 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
187 | Float_t zAir[4]={6.,7.,8.,18.}; | |
188 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
189 | Float_t dAir = 1.20479E-3; | |
190 | AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ; | |
191 | ||
192 | // --- Lead --- | |
193 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
194 | ||
195 | ||
196 | // --- The polysterene scintillator (CH) --- | |
197 | Float_t aP[2] = {12.011, 1.00794} ; | |
198 | Float_t zP[2] = {6.0, 1.0} ; | |
199 | Float_t wP[2] = {1.0, 1.0} ; | |
200 | Float_t dP = 1.032 ; | |
201 | ||
202 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
203 | ||
204 | // --- Aluminium --- | |
205 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
206 | // --- Absorption length is ignored ^ | |
207 | ||
208 | // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition | |
209 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
210 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
211 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
212 | AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
213 | ||
214 | // DEFINITION OF THE TRACKING MEDIA | |
215 | ||
216 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
f7a1cc68 | 217 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ; |
218 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ; | |
7235aed2 | 219 | |
220 | // Air -> idtmed[1599] | |
221 | AliMedium(0, "Air$", 0, 0, | |
222 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
223 | ||
224 | // The Lead -> idtmed[1600] | |
225 | ||
226 | AliMedium(1, "Lead$", 1, 0, | |
227 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
228 | ||
229 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] | |
ee299369 | 230 | float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax ) |
7235aed2 | 231 | AliMedium(2, "Scintillator$", 2, 1, |
232 | isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ; | |
233 | ||
234 | // Various Aluminium parts made of Al -> idtmed[1602] | |
235 | AliMedium(3, "Al$", 3, 0, | |
236 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
237 | ||
238 | // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603] | |
239 | AliMedium(4, "S steel$", 4, 0, | |
240 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
241 | ||
89557f6d | 242 | |
ab37d09c | 243 | //set constants for Birk's Law implentation |
244 | fBirkC0 = 1; | |
245 | fBirkC1 = 0.013/dP; | |
246 | fBirkC2 = 9.6e-6/(dP * dP); | |
247 | ||
2012850d | 248 | } |
dde0a601 | 249 | |
250 | //____________________________________________________________________________ | |
251 | void AliEMCAL::Init() | |
b8a520ff | 252 | { |
253 | // Init | |
254 | //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. | |
255 | //Load the modified one in the configuration file with SetTransPar | |
256 | //DefineMediumParameters(); | |
dde0a601 | 257 | } |
258 | ||
2d5d9e60 | 259 | //____________________________________________________________________________ |
ee299369 | 260 | void AliEMCAL::Digits2Raw() { |
65bdc82f | 261 | |
262 | static AliEMCALRawUtils rawUtils; | |
263 | rawUtils.Digits2Raw(); | |
264 | ||
2d5d9e60 | 265 | } |
8367ce9a | 266 | //____________________________________________________________________________ |
267 | void AliEMCAL::Hits2SDigits() | |
268 | { | |
269 | // create summable digits | |
270 | ||
ddca522a | 271 | GetGeometry(); |
4d33c797 | 272 | AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
273 | emcalDigitizer.SetEventRange(0, -1) ; // do all the events | |
274 | emcalDigitizer.ExecuteTask() ; | |
da480a28 | 275 | } |
276 | ||
8367ce9a | 277 | //____________________________________________________________________________ |
5dee926e | 278 | |
8367ce9a | 279 | AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) |
280 | { | |
281 | //different behaviour than standard (singleton getter) | |
282 | // --> to be discussed and made eventually coherent | |
283 | fLoader = new AliEMCALLoader(GetName(),topfoldername); | |
284 | return fLoader; | |
285 | } |