]>
Commit | Line | Data |
---|---|---|
fb7a1f55 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
fb7a1f55 | 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 | ||
fddb5247 | 40 | #include "AliCRT.h" |
41 | ||
fb7a1f55 | 42 | #include <TTree.h> |
192ec4f4 | 43 | #include <TVirtualMC.h> |
fb7a1f55 | 44 | |
88cb7938 | 45 | #include "AliRun.h" |
387cc25e | 46 | #include "AliMagF.h" |
192ec4f4 | 47 | //#include "AliMC.h" |
387cc25e | 48 | |
192ec4f4 | 49 | //#include "AliCRThit.h" |
fddb5247 | 50 | #include "AliCRTModule.h" |
387cc25e | 51 | |
fb7a1f55 | 52 | ClassImp(AliCRT) |
53 | ||
fb7a1f55 | 54 | //_____________________________________________________________________________ |
55 | AliCRT::AliCRT() | |
fddb5247 | 56 | : AliDetector(), |
57 | fModule(0) | |
fb7a1f55 | 58 | { |
59 | // | |
387cc25e | 60 | // Default constructor |
fb7a1f55 | 61 | // |
fb7a1f55 | 62 | } |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliCRT::AliCRT(const char *name, const char *title) | |
fddb5247 | 66 | : AliDetector(name, title), |
67 | fModule(0) | |
fb7a1f55 | 68 | { |
69 | // | |
387cc25e | 70 | // Standard constructor |
fb7a1f55 | 71 | // |
192ec4f4 | 72 | //fHits = new TClonesArray("AliCRThit", 400); |
73 | //gAlice->GetMCApp()->AddHitList(fHits); | |
fb7a1f55 | 74 | } |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | AliCRT::~AliCRT() | |
78 | { | |
79 | // | |
387cc25e | 80 | // Default destructor |
fb7a1f55 | 81 | // |
fddb5247 | 82 | if ( fModule ) { delete fModule; fModule = 0; } |
fb7a1f55 | 83 | } |
84 | ||
fb7a1f55 | 85 | //_____________________________________________________________________________ |
86 | void AliCRT::CreateMaterials() | |
87 | { | |
88 | // Magnatic field inside the pit | |
89 | Int_t isxfld = gAlice->Field()->Integ(); | |
90 | Float_t sxmgmx = gAlice->Field()->Max(); | |
91 | ||
92 | //Magnetic field above the Magnet. | |
93 | Int_t xfield = 0; // no Magnetic field. | |
94 | Float_t xfieldm = 0; | |
95 | Float_t xepsil = 0.1; // Tracking precission in cm. obove the pit | |
96 | ||
97 | // --- Define the various materials for GEANT --- | |
fb7a1f55 | 98 | Float_t epsil, stmin, tmaxfd, deemax, stemax; |
99 | // | |
100 | // Aluminum | |
4a9de4af | 101 | AliMaterial(9, "ALUMINIUM0$", 26.98, 13., 2.7, 8.9, 37.2); |
102 | AliMaterial(29, "ALUMINIUM1$", 26.98, 13., 2.7, 8.9, 37.2); | |
103 | AliMaterial(49, "ALUMINIUM2$", 26.98, 13., 2.7, 8.9, 37.2); | |
fb7a1f55 | 104 | // |
105 | // Iron | |
4a9de4af | 106 | AliMaterial(10, "IRON0$ ", 55.85, 26., 7.87, 1.76, 17.1); |
107 | AliMaterial(30, "IRON1$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
108 | AliMaterial(50, "IRON2$ ", 55.85, 26., 7.87, 1.76, 17.1); | |
fb7a1f55 | 109 | // |
110 | // Air | |
4a9de4af | 111 | AliMaterial(15, "AIR0$ ", 14.61, 7.3, .001205, 30423.24, 67500.); |
112 | AliMaterial(35, "AIR1$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
113 | AliMaterial(55, "AIR2$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
114 | AliMaterial(75, "AIR3$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
115 | AliMaterial(95, "AIR4$ ", 14.61, 7.3, .001205, 30423.24, 67500.); | |
d2293f45 | 116 | |
fb7a1f55 | 117 | |
118 | // Scintillator material polystyrene | |
119 | Float_t aP[2] = {12.011, 1.00794}; | |
120 | Float_t zP[2] = {6.0, 1.0}; | |
121 | Float_t wP[2] = {1.0, 1.0}; | |
122 | Float_t dP = 1.032; | |
2c3b33cd | 123 | AliMixture(13, "Polystyrene$", aP, zP, dP, -2, wP); |
c8a19f01 | 124 | // Subalpine Molasse over the ALICE hall. |
2c3b33cd | 125 | Float_t aMolasse[10] = { 1., 12.01, 15.994, 22.99, 24.305, 26.98, 28.086, 39.1, 40.08, 55.85 }; |
c8a19f01 | 126 | Float_t zMolasse[10] = {1., 6., 8., 11., 12., 13., 14., 19., 20., 26.}; |
2c3b33cd | 127 | Float_t wMolasse[10] = {0.008, 0.043, 0.485, 0.007, 0.042, 0.037, 0.215, 0.023, 0.1, 0.04}; |
c8a19f01 | 128 | Float_t dMolasse = 2.40; |
2c3b33cd | 129 | AliMixture(24, "Molasse$", aMolasse, zMolasse, dMolasse, 10, wMolasse); |
387cc25e | 130 | |
fb7a1f55 | 131 | // **************** |
132 | // Defines tracking media parameters. | |
133 | // Les valeurs sont commentees pour laisser le defaut | |
134 | // a GEANT (version 3-21, page CONS200), f.m. | |
135 | epsil = .001; // Tracking precision, Inside the pit | |
136 | stemax = -1.; // Maximum displacement for multiple scattering | |
137 | tmaxfd = -20.; // Maximum angle due to field deflection | |
138 | deemax = -.3; // Maximum fractional energy loss, DLS | |
139 | stmin = -.8; | |
140 | // *************** | |
141 | ||
d2293f45 | 142 | Float_t atmaxfd = 10.; |
143 | Float_t adeemax = -0.1; | |
144 | Float_t aepsil = 0.1; | |
145 | Float_t astmin = -10.; | |
146 | ||
fb7a1f55 | 147 | // |
148 | // Aluminum | |
149 | AliMedium(9, "ALU_C0 ", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
150 | AliMedium(29, "ALU_C1 ", 29, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
151 | AliMedium(49, "ALU_C2 ", 49, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
152 | // | |
153 | // Iron | |
154 | AliMedium(10, "FE_C0 ", 10, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
155 | AliMedium(30, "FE_C1 ", 30, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
156 | AliMedium(50, "FE_C2 ", 50, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
157 | // | |
158 | // Air | |
d2293f45 | 159 | AliMedium(15, "AIR_C0 ", 15, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); |
160 | AliMedium(35, "AIR_C1 ", 35, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
161 | AliMedium(55, "AIR_C2 ", 55, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
162 | AliMedium(75, "AIR_C4 ", 75, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); | |
387cc25e | 163 | AliMedium(95, "AIR_C5 ", 95, 0, isxfld, sxmgmx, atmaxfd, stemax, adeemax, aepsil, astmin); |
d2293f45 | 164 | |
fb7a1f55 | 165 | |
166 | ||
167 | // The scintillator of the CPV made of Polystyrene | |
2c3b33cd | 168 | // scintillator -> idtmed[1112] |
4a9de4af | 169 | AliMedium(12 , "CPV scint.0 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); |
170 | AliMedium(13 , "CPV scint.1 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
171 | AliMedium(14 , "CPV scint.2 ", 13, 1, isxfld, sxmgmx, 10., stemax, deemax, epsil, stmin); | |
387cc25e | 172 | |
2c3b33cd | 173 | // Molasse -> idtmed[1123] |
174 | AliMedium(24 , "Molasse ", 24, 0, xfield, xfieldm, tmaxfd, stemax, deemax, xepsil, stmin); | |
fb7a1f55 | 175 | |
d2293f45 | 176 | // Concrete, in case if we need to put hte shafts by ourselves. |
fb7a1f55 | 177 | |
d2293f45 | 178 | Float_t aconc[10] = { 1.,12.01,15.994,22.99,24.305,26.98,28.086,39.1,40.08,55.85 }; |
179 | Float_t zconc[10] = { 1.,6.,8.,11.,12.,13.,14.,19.,20.,26. }; | |
180 | Float_t wconc[10] = { .01,.001,.529107,.016,.002,.033872,.337021,.013,.044,.014 }; | |
387cc25e | 181 | |
d2293f45 | 182 | AliMixture(17, "CONCRETE$", aconc, zconc, 2.35, 10, wconc); |
183 | // Concrete | |
184 | AliMedium(17, "CC_C0 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); | |
387cc25e | 185 | AliMedium(27, "CC_C1 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // MX24 |
186 | AliMedium(37, "CC_C2 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PM25 | |
187 | AliMedium(47, "CC_C3 ", 17, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin); // PGC2 | |
fb7a1f55 | 188 | |
d2293f45 | 189 | } |
fb7a1f55 | 190 | |
fb7a1f55 | 191 | //_____________________________________________________________________________ |
d2293f45 | 192 | void AliCRT::SetTreeAddress() |
193 | { | |
194 | ||
195 | TBranch *branch; | |
196 | char branchname[20]; | |
197 | sprintf(branchname,"%s",GetName()); | |
d2293f45 | 198 | // Branch address for hit tree |
88cb7938 | 199 | TTree *treeH = fLoader->TreeH(); |
192ec4f4 | 200 | if (treeH ) { |
d2293f45 | 201 | branch = treeH->GetBranch(branchname); |
202 | if (branch) branch->SetAddress(&fHits); | |
203 | } | |
d2293f45 | 204 | } |
192ec4f4 | 205 | |
206 | //_____________________________________________________________________________ | |
207 | void AliCRT::MakeBranch(Option_t* opt) | |
208 | { | |
209 | // | |
210 | // Initializes the branches of the CRT inside the trees written | |
211 | // for each event. | |
212 | // | |
213 | const char* oH = strstr(opt, "H"); | |
214 | if ( fLoader->TreeH() && oH && (fHits == 0x0) ) { | |
215 | fHits = new TClonesArray("AliCRThit", 1000); | |
216 | fNhits = 0; | |
217 | } | |
218 | AliDetector::MakeBranch(opt); | |
219 | } |