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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) | |
3d841a9f | 24 | // : Alexei Pavlinov (WSU) |
b13bbe81 | 25 | // |
2012850d | 26 | ////////////////////////////////////////////////////////////////////////////// |
27 | ||
2012850d | 28 | // --- ROOT system --- |
b13bbe81 | 29 | class TFile; |
88cb7938 | 30 | #include <TFolder.h> |
f7a1cc68 | 31 | #include <TGeoGlobalMagField.h> |
32 | #include <TGraph.h> | |
046ae904 | 33 | #include <TH1F.h> |
046ae904 | 34 | #include <TRandom.h> |
f7a1cc68 | 35 | #include <TTree.h> |
36 | #include <TVirtualMC.h> | |
2012850d | 37 | |
05a92d59 | 38 | // --- Standard library --- |
2012850d | 39 | |
05a92d59 | 40 | // --- AliRoot header files --- |
2012850d | 41 | #include "AliMagF.h" |
88cb7938 | 42 | #include "AliEMCAL.h" |
85a5290f | 43 | #include "AliRun.h" |
5dee926e | 44 | #include "AliEMCALLoader.h" |
85a5290f | 45 | #include "AliEMCALSDigitizer.h" |
46 | #include "AliEMCALDigitizer.h" | |
5dee926e | 47 | #include "AliEMCALDigit.h" |
ee299369 | 48 | #include "AliEMCALRawUtils.h" |
3294dade | 49 | #include "AliCDBManager.h" |
50 | #include "AliCDBEntry.h" | |
51 | ||
2012850d | 52 | ClassImp(AliEMCAL) |
4884333f | 53 | |
2012850d | 54 | //____________________________________________________________________________ |
18a21c7c | 55 | AliEMCAL::AliEMCAL() |
56 | : AliDetector(), | |
57 | fBirkC0(0), | |
58 | fBirkC1(0.), | |
59 | fBirkC2(0.), | |
23ef18ac | 60 | fGeometry(0) |
2012850d | 61 | { |
05a92d59 | 62 | // Default ctor |
046ae904 | 63 | fName = "EMCAL" ; |
7235aed2 | 64 | InitConstants(); |
65bdc82f | 65 | |
23ef18ac | 66 | // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry |
2012850d | 67 | } |
05a92d59 | 68 | |
2012850d | 69 | //____________________________________________________________________________ |
18a21c7c | 70 | AliEMCAL::AliEMCAL(const char* name, const char* title) |
71 | : AliDetector(name,title), | |
72 | fBirkC0(0), | |
73 | fBirkC1(0.), | |
74 | fBirkC2(0.), | |
23ef18ac | 75 | fGeometry(0) |
05a92d59 | 76 | { |
77 | // ctor : title is used to identify the layout | |
7235aed2 | 78 | InitConstants(); |
0a4cb131 | 79 | } |
80 | ||
2012850d | 81 | //____________________________________________________________________________ |
05a92d59 | 82 | AliEMCAL::~AliEMCAL() |
83 | { | |
14ce0a6e | 84 | //dtor |
2012850d | 85 | } |
86 | ||
0a4cb131 | 87 | //____________________________________________________________________________ |
7235aed2 | 88 | void AliEMCAL::InitConstants() |
0a4cb131 | 89 | { |
90 | //initialize EMCAL values | |
91 | fBirkC0 = 1; | |
92 | fBirkC1 = 0.013/1.032; | |
93 | fBirkC2 = 9.6e-6/(1.032 * 1.032); | |
ee299369 | 94 | } |
0a4cb131 | 95 | |
b8a520ff | 96 | //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. |
97 | //Load the modified one in the configuration file with SetTransPar | |
98 | // //____________________________________________________________________________ | |
99 | // void AliEMCAL::DefineMediumParameters() | |
100 | // { | |
101 | // // | |
102 | // // EMCAL cuts (Geant3) | |
103 | // // | |
104 | // Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
105 | // // --- Set decent energy thresholds for gamma and electron tracking | |
106 | ||
107 | // // Tracking threshold for photons and electrons in Lead | |
108 | // Float_t cutgam=10.e-5; // 100 kev; | |
109 | // Float_t cutele=10.e-5; // 100 kev; | |
110 | // TString ntmp(GetTitle()); | |
111 | // ntmp.ToUpper(); | |
112 | // if(ntmp.Contains("10KEV")) { | |
113 | // cutele = cutgam = 1.e-5; | |
114 | // } else if(ntmp.Contains("50KEV")) { | |
115 | // cutele = cutgam = 5.e-5; | |
116 | // } else if(ntmp.Contains("100KEV")) { | |
117 | // cutele = cutgam = 1.e-4; | |
118 | // } else if(ntmp.Contains("200KEV")) { | |
119 | // cutele = cutgam = 2.e-4; | |
120 | // } else if(ntmp.Contains("500KEV")) { | |
121 | // cutele = cutgam = 5.e-4; | |
122 | // } | |
123 | ||
124 | // gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam); | |
125 | // gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05 | |
126 | // gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
127 | // gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
128 | // // --- Generate explicitly delta rays in Lead --- | |
129 | // gMC->Gstpar(idtmed[1600], "LOSS", 3) ; | |
130 | // gMC->Gstpar(idtmed[1600], "DRAY", 1) ; | |
131 | // gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ; | |
132 | // gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ; | |
133 | ||
134 | // // --- in aluminium parts --- | |
135 | // gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ; | |
136 | // gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ; | |
137 | // gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
138 | // gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
139 | // gMC->Gstpar(idtmed[1602], "LOSS",3.) ; | |
140 | // gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
141 | // gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ; | |
142 | // gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ; | |
143 | ||
144 | // // --- and finally thresholds for photons and electrons in the scintillator --- | |
145 | // gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ; | |
146 | // gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05 | |
147 | // gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
148 | // gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
149 | // gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays | |
150 | // gMC->Gstpar(idtmed[1601], "DRAY",1) ; | |
151 | // gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ; | |
152 | // gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ; | |
153 | ||
154 | // // S steel - | |
155 | // gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam); | |
156 | // gMC->Gstpar(idtmed[1603],"CUTELE", cutele); | |
157 | // gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
158 | // gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
159 | // // --- Generate explicitly delta rays | |
160 | // gMC->Gstpar(idtmed[1603], "LOSS",3); | |
161 | // gMC->Gstpar(idtmed[1603], "DRAY",1); | |
162 | // gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ; | |
163 | // gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ; | |
164 | ||
165 | // AliEMCALGeometry* geom = GetGeometry(); | |
166 | // if(geom->GetILOSS()>=0) { | |
167 | // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ; | |
168 | // } | |
169 | // if(geom->GetIHADR()>=0) { | |
170 | // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ; | |
171 | // } | |
172 | // } | |
7235aed2 | 173 | |
174 | //____________________________________________________________________________ | |
175 | AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const | |
176 | { | |
177 | //create and return the digitizer | |
178 | return new AliEMCALDigitizer(manager); | |
179 | } | |
180 | ||
181 | //____________________________________________________________________________ | |
182 | void AliEMCAL::CreateMaterials() | |
183 | { | |
184 | // Definitions of materials to build EMCAL and associated tracking media. | |
185 | // media number in idtmed are 1599 to 1698. | |
186 | // --- Air --- | |
187 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
188 | Float_t zAir[4]={6.,7.,8.,18.}; | |
189 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
190 | Float_t dAir = 1.20479E-3; | |
191 | AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ; | |
192 | ||
193 | // --- Lead --- | |
194 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
195 | ||
196 | ||
197 | // --- The polysterene scintillator (CH) --- | |
198 | Float_t aP[2] = {12.011, 1.00794} ; | |
199 | Float_t zP[2] = {6.0, 1.0} ; | |
200 | Float_t wP[2] = {1.0, 1.0} ; | |
201 | Float_t dP = 1.032 ; | |
202 | ||
203 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
204 | ||
205 | // --- Aluminium --- | |
206 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
207 | // --- Absorption length is ignored ^ | |
208 | ||
209 | // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition | |
210 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
211 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
212 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
213 | AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
214 | ||
3d841a9f | 215 | // Oct 26,2010 : Multipurpose Copy Paper UNV-21200), weiht 75 g/m**2. |
216 | // *Cellulose C6H10O5 | |
217 | // Component C A=12.01 Z=6. W=6./21. | |
218 | // Component H A=1. Z=1. W=10./21. | |
219 | // Component O A=16. Z=8. W=5./21. | |
220 | Float_t apaper[3] = { 12.01, 1.0, 16.0}; | |
fb3bd607 | 221 | Float_t zpaper[3] = { 6.0, 1.0, 8.0}; |
3d841a9f | 222 | Float_t wpaper[3] = {6./21., 10./21., 5./21.}; |
223 | AliMixture(5, "BondPaper$", apaper, zpaper, 0.75, 3, wpaper); | |
224 | ||
7235aed2 | 225 | // DEFINITION OF THE TRACKING MEDIA |
ce540969 | 226 | // Look to the $ALICE_ROOT/data/galice.cuts for particular values |
227 | // of cuts. | |
228 | // Don't forget to add a new tracking medium with non-default cuts | |
7235aed2 | 229 | |
230 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
f7a1cc68 | 231 | Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ; |
232 | Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ; | |
7235aed2 | 233 | |
234 | // Air -> idtmed[1599] | |
235 | AliMedium(0, "Air$", 0, 0, | |
236 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; | |
237 | ||
238 | // The Lead -> idtmed[1600] | |
239 | ||
240 | AliMedium(1, "Lead$", 1, 0, | |
241 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
242 | ||
243 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] | |
ee299369 | 244 | float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax ) |
7235aed2 | 245 | AliMedium(2, "Scintillator$", 2, 1, |
246 | isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ; | |
247 | ||
248 | // Various Aluminium parts made of Al -> idtmed[1602] | |
249 | AliMedium(3, "Al$", 3, 0, | |
250 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
251 | ||
252 | // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603] | |
253 | AliMedium(4, "S steel$", 4, 0, | |
3d841a9f | 254 | isxfld, sxmgmx, 10.0, 0.01, 0.1, 0.001, 0.001, 0, 0) ; |
255 | ||
ce540969 | 256 | // Oct 26,2010; Nov 24,2010 -> idtmed[1604] |
257 | deemax = 0.01; | |
3d841a9f | 258 | AliMedium(5, "Paper$", 5, 0, |
ce540969 | 259 | isxfld, sxmgmx, 10.0, deemax, 0.1, 0.001, 0.001, 0, 0) ; |
7235aed2 | 260 | |
89557f6d | 261 | |
ab37d09c | 262 | //set constants for Birk's Law implentation |
263 | fBirkC0 = 1; | |
264 | fBirkC1 = 0.013/dP; | |
265 | fBirkC2 = 9.6e-6/(dP * dP); | |
266 | ||
2012850d | 267 | } |
dde0a601 | 268 | |
269 | //____________________________________________________________________________ | |
270 | void AliEMCAL::Init() | |
b8a520ff | 271 | { |
272 | // Init | |
273 | //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. | |
274 | //Load the modified one in the configuration file with SetTransPar | |
275 | //DefineMediumParameters(); | |
dde0a601 | 276 | } |
277 | ||
2d5d9e60 | 278 | //____________________________________________________________________________ |
ee299369 | 279 | void AliEMCAL::Digits2Raw() { |
65bdc82f | 280 | |
281 | static AliEMCALRawUtils rawUtils; | |
282 | rawUtils.Digits2Raw(); | |
283 | ||
2d5d9e60 | 284 | } |
8367ce9a | 285 | //____________________________________________________________________________ |
286 | void AliEMCAL::Hits2SDigits() | |
287 | { | |
288 | // create summable digits | |
289 | ||
ddca522a | 290 | GetGeometry(); |
4d33c797 | 291 | AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
292 | emcalDigitizer.SetEventRange(0, -1) ; // do all the events | |
293 | emcalDigitizer.ExecuteTask() ; | |
da480a28 | 294 | } |
295 | ||
8367ce9a | 296 | //____________________________________________________________________________ |
5dee926e | 297 | |
8367ce9a | 298 | AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) |
299 | { | |
300 | //different behaviour than standard (singleton getter) | |
301 | // --> to be discussed and made eventually coherent | |
302 | fLoader = new AliEMCALLoader(GetName(),topfoldername); | |
303 | return fLoader; | |
304 | } |