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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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Cosmic Rays ALICE Trigger // | |
21 | // This class contains the basic functions for the Cosmic Ray ALICE // | |
22 | // detector. Functions specific to one particular geometry are // | |
23 | // contained in the derived classes // | |
24 | // | |
25 | // Begin_Html | |
26 | /* | |
27 | <img src="picts/AliCRTClass.gif"> | |
28 | </pre> | |
29 | <p>The responsible person for this module is | |
30 | <a href="mailto:Enrique.Gamez.Flores@cern.ch">Enrique Gamez Flores</a>. | |
31 | </font> | |
32 | <pre> | |
33 | */ | |
34 | //End_Html | |
35 | // | |
36 | // | |
37 | // // | |
38 | /////////////////////////////////////////////////////////////////////////////// | |
39 | ||
40 | #include "AliCRT.h" | |
41 | ||
42 | #include <TTree.h> | |
43 | #include <TVirtualMC.h> | |
44 | ||
45 | #include "AliRun.h" | |
46 | #include "AliMagF.h" | |
47 | //#include "AliMC.h" | |
48 | ||
49 | //#include "AliCRThit.h" | |
50 | #include "AliCRTModule.h" | |
51 | ||
52 | ClassImp(AliCRT) | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliCRT::AliCRT() | |
56 | : AliDetector(), | |
57 | fModule(0) | |
58 | { | |
59 | // | |
60 | // Default constructor | |
61 | // | |
62 | } | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliCRT::AliCRT(const char *name, const char *title) | |
66 | : AliDetector(name, title), | |
67 | fModule(0) | |
68 | { | |
69 | // | |
70 | // Standard constructor | |
71 | // | |
72 | //fHits = new TClonesArray("AliCRThit", 400); | |
73 | //gAlice->GetMCApp()->AddHitList(fHits); | |
74 | } | |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | AliCRT::AliCRT(const AliCRT& crt) | |
78 | : AliDetector(crt), | |
79 | fModule(crt.fModule) | |
80 | { | |
81 | // | |
82 | // Copy constructor | |
83 | // | |
84 | crt.Copy(*this); | |
85 | } | |
86 | ||
87 | //_____________________________________________________________________________ | |
88 | AliCRT::~AliCRT() | |
89 | { | |
90 | // | |
91 | // Default destructor | |
92 | // | |
93 | if ( fModule ) { delete fModule; fModule = 0; } | |
94 | } | |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | AliCRT& AliCRT::operator=(const AliCRT& crt) | |
98 | { | |
99 | // | |
100 | // Asingment operator. | |
101 | // | |
102 | crt.Copy(*this); | |
103 | return *this; | |
104 | } | |
105 | ||
106 | //_____________________________________________________________________________ | |
107 | void AliCRT::CreateMaterials() | |
108 | { | |
109 | // Magnatic field inside the pit | |
110 | Int_t isxfld = gAlice->Field()->Integ(); | |
111 | Float_t sxmgmx = gAlice->Field()->Max(); | |
112 | ||
113 | //Magnetic field above the Magnet. | |
114 | Int_t xfield = 0; // no Magnetic field. | |
115 | Float_t xfieldm = 0; | |
116 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
117 | ||
118 | // --- Define the various materials for GEANT --- | |
119 | Float_t epsil, stmin, tmaxfd, deemax, stemax; | |
120 | // | |
121 | // Aluminum | |
122 | AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
123 | AliMaterial(29, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
124 | AliMaterial(49, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2); | |
125 | // | |
126 | // Iron | |
127 | AliMaterial(10, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
128 | AliMaterial(30, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
129 | AliMaterial(50, "IRON$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
130 | // | |
131 | // Air | |
132 | AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
133 | AliMaterial(35, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
134 | AliMaterial(55, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
135 | AliMaterial(75, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
136 | AliMaterial(95, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
137 | ||
138 | ||
139 | // Scintillator material polystyrene | |
140 | Float_t aP[2] = {12.011, 1.00794}; | |
141 | Float_t zP[2] = {6.0, 1.0}; | |
142 | Float_t wP[2] = {1.0, 1.0}; | |
143 | Float_t dP = 1.032; | |
144 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); | |
145 | // Subalpine Molasse over the ALICE hall. | |
146 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; | |
147 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; | |
148 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; | |
149 | Float_t dMolasse = 2.40; | |
150 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); | |
151 | ||
152 | // **************** | |
153 | // Defines tracking media parameters. | |
154 | // Les valeurs sont commentees pour laisser le defaut | |
155 | // a GEANT (version 3-21, page CONS200), f.m. | |
156 | epsil = .001; // Tracking precision, Inside the pit | |
157 | stemax = -1.; // Maximum displacement for multiple scattering | |
158 | tmaxfd = -20.; // Maximum angle due to field deflection | |
159 | deemax = -.3; // Maximum fractional energy loss, DLS | |
160 | stmin = -.8; | |
161 | // *************** | |
162 | ||
163 | Float_t atmaxfd = 10.; | |
164 | Float_t adeemax = -0.1; | |
165 | Float_t aepsil = 0.1; | |
166 | Float_t astmin = -10.; | |
167 | ||
168 | // | |
169 | // Aluminum | |
170 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
171 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
172 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
173 | // | |
174 | // Iron | |
175 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
176 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
177 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
178 | // | |
179 | // Air | |
180 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
181 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
182 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
183 | AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
184 | AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
185 | ||
186 | ||
187 | ||
188 | // The scintillator of the CPV made of Polystyrene | |
189 | // scintillator -> idtmed[1112] | |
190 | AliMedium(12 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
191 | AliMedium(13 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
192 | AliMedium(14 , "CPV scint. ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
193 | ||
194 | // Molasse -> idtmed[1123] | |
195 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
196 | ||
197 | // Concrete, in case if we need to put hte shafts by ourselves. | |
198 | ||
199 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; | |
200 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
201 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; | |
202 | ||
203 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); | |
204 | // Concrete | |
205 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
206 | AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24 | |
207 | AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25 | |
208 | AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2 | |
209 | ||
210 | } | |
211 | ||
212 | //_____________________________________________________________________________ | |
213 | void AliCRT::SetTreeAddress() | |
214 | { | |
215 | ||
216 | TBranch *branch; | |
217 | char branchname[20]; | |
218 | sprintf(branchname,"%s",GetName()); | |
219 | // Branch address for hit tree | |
220 | TTree *treeH = fLoader->TreeH(); | |
221 | if (treeH ) { | |
222 | branch = treeH->GetBranch(branchname); | |
223 | if (branch) branch->SetAddress(&fHits); | |
224 | } | |
225 | } | |
226 | ||
227 | //_____________________________________________________________________________ | |
228 | void AliCRT::MakeBranch(Option_t* opt) | |
229 | { | |
230 | // | |
231 | // Initializes the branches of the CRT inside the trees written | |
232 | // for each event. | |
233 | // | |
234 | const char* oH = strstr(opt, "H"); | |
235 | if ( fLoader->TreeH() && oH && (fHits == 0x0) ) { | |
236 | fHits = new TClonesArray("AliCRThit", 1000); | |
237 | fNhits = 0; | |
238 | } | |
239 | AliDetector::MakeBranch(opt); | |
240 | } |