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4c039060 | 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 | **************************************************************************/ | |
d28dcc0d | 15 | ///////////////////////////////////////////////////////////////////// |
16 | // // | |
17 | // Forward Multiplicity detector based on Silicon version 0 // | |
18 | // | |
19 | //Begin Html | |
fe4da5cc | 20 | /* |
d28dcc0d | 21 | <img src="gif/AliFMDv0Class.gif"> |
fe4da5cc | 22 | */ |
d28dcc0d | 23 | //End Html |
24 | // // | |
25 | // // | |
26 | ////////////////////////////////////////////////////////////////////// | |
fe4da5cc | 27 | |
d28dcc0d | 28 | #include <TMath.h> |
29 | #include <TGeometry.h> | |
30 | #include <TTUBE.h> | |
31 | #include <TNode.h> | |
a39f3926 | 32 | #include <TBranch.h> |
d28dcc0d | 33 | #include <TLorentzVector.h> |
fe4da5cc | 34 | #include "AliFMDv0.h" |
d28dcc0d | 35 | #include "AliRun.h" |
93bdec82 | 36 | #include <Riostream.h> |
f277ac7c | 37 | #include "AliRndm.h" |
94de3818 | 38 | #include "AliMagF.h" |
d28dcc0d | 39 | #include "AliFMDhit.h" |
40 | #include <stdlib.h> | |
94de3818 | 41 | |
d28dcc0d | 42 | //class TGeant3; |
fe4da5cc | 43 | ClassImp(AliFMDv0) |
d28dcc0d | 44 | |
45 | //-------------------------------------------------------------------- | |
46 | AliFMDv0::AliFMDv0(const char *name, const char *title): | |
47 | AliFMD(name,title) | |
fe4da5cc | 48 | { |
49 | // | |
d28dcc0d | 50 | // Standart constructor for Forward Multiplicity Detector version 0 |
fe4da5cc | 51 | // |
d28dcc0d | 52 | fIdSens1=0; |
37c55dc0 | 53 | fIdSens2=0; |
54 | fIdSens3=0; | |
55 | fIdSens4=0; | |
56 | fIdSens5=0; | |
d28dcc0d | 57 | // setBufferSize(128000); |
fe4da5cc | 58 | } |
d28dcc0d | 59 | //------------------------------------------------------------------------- |
37c55dc0 | 60 | |
fe4da5cc | 61 | void AliFMDv0::CreateGeometry() |
62 | { | |
d28dcc0d | 63 | // |
64 | // Create the geometry of Forward Multiplicity Detector version 0 | |
37c55dc0 | 65 | //Detector consists of 5 volumes: |
66 | // 1st covered pseudorapidity interval from 3.58 to 2.03 | |
67 | // and placed on 62.8cm in Z-direction; | |
68 | // 2nd - from 1.94 to 1.51 and Z=75.2 cm; | |
d28dcc0d | 69 | // 3d - the same pseudorapidity interval as the 1st |
37c55dc0 | 70 | // but on the other side from the interaction point z=-62.8cm; |
d28dcc0d | 71 | // 4th - simmetricaly with the 2nd : |
37c55dc0 | 72 | // pseudorapidity from 1.94 to 1.51, Z=-75.2cm |
73 | // 5th - from 3.71 to 5.28, Z=-345cm | |
74 | // Each part has 300mkm Si (sensetive area, detector itself), | |
d28dcc0d | 75 | // 0.75cm of plastic simulated electronics material, |
76 | // Al support ring 2cm thickness and 1cm width placed on | |
77 | // the outer radius of each Si disk; | |
37c55dc0 | 78 | // |
d28dcc0d | 79 | // begin Html |
fe4da5cc | 80 | /* |
d28dcc0d | 81 | <img src="gif/AliFMDv0.gif"> |
37c55dc0 | 82 | */ |
d28dcc0d | 83 | // |
84 | ||
85 | Int_t *idtmed = fIdtmed->GetArray(); | |
d28dcc0d | 86 | Int_t ifmd; |
87 | Int_t idrotm[999]; | |
88 | Float_t zfmd,par[3]; | |
37c55dc0 | 89 | char name[5], nameSi[5], nameSector[5], nameRing[5]; |
d28dcc0d | 90 | |
91 | Float_t rin[6], rout[6],zpos; | |
37c55dc0 | 92 | |
c45743f9 | 93 | Float_t etain[5]= {3.40, 2.29, 3.68, 2.29, 5.09}; |
94 | Float_t etaout[6]={2.01, 1.70, 2.28, 1.70, 3.68}; | |
37c55dc0 | 95 | // Float_t z[6]={64., 85., -64., -85., -270., -630}; |
c45743f9 | 96 | Float_t z[6]={62.8, 75.2, -83.4, -75.2, -340.}; |
37c55dc0 | 97 | Float_t zDet=0.03; |
98 | Float_t zElectronic=0.1; | |
99 | Float_t zSupport=1.; | |
37c55dc0 | 100 | |
101 | Float_t zFMD=1.; | |
d28dcc0d | 102 | //------------------------------------------------------------------- |
103 | // FMD | |
104 | //------------------------------------------------------------------ | |
c45743f9 | 105 | cout<<" !!!!!!!!!!!New FMD geometry !!!!!!!!!"<<endl; |
d28dcc0d | 106 | |
107 | AliMatrix(idrotm[901], 90, 0, 90, 90, 180, 0); | |
108 | ||
37c55dc0 | 109 | // gMC->Gsvolu("GSI","TUBE", idtmed[1], par, 0); |
d28dcc0d | 110 | gMC->Gsvolu("GEL ","TUBE", idtmed[4], par, 0); |
111 | gMC->Gsvolu("GSUP","TUBE", idtmed[2], par, 0); | |
112 | ||
37c55dc0 | 113 | for (ifmd =0; ifmd < 5; ifmd++){ |
d28dcc0d | 114 | |
37c55dc0 | 115 | sprintf(name,"FMD%d",ifmd+1); |
116 | sprintf(nameSi,"GSI%d",ifmd+1); | |
117 | sprintf(nameSector,"GSC%d",ifmd+1); | |
118 | sprintf(nameRing,"GRN%d",ifmd+1); | |
119 | printf(name,nameSi); | |
d28dcc0d | 120 | |
121 | zfmd=TMath::Abs(z[ifmd]); | |
d28dcc0d | 122 | AliFMD::Eta2Radius(etain[ifmd],zfmd,&rin[ifmd]); |
123 | AliFMD::Eta2Radius(etaout[ifmd],zfmd,&rout[ifmd]); | |
124 | ||
125 | par[0]=rin[ifmd]; // pipe size | |
126 | par[1]=rout[ifmd]; | |
127 | par[2]=zFMD/2; | |
128 | gMC->Gsvolu(name,"TUBE", idtmed[3], par, 3); | |
37c55dc0 | 129 | gMC->Gsvolu(nameSi,"TUBE", idtmed[1], par, 0); |
d28dcc0d | 130 | |
a39f3926 | 131 | if (z[ifmd] < 0){ |
d28dcc0d | 132 | gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],0, "ONLY");} |
133 | else { | |
134 | gMC->Gspos(name,1,"ALIC",0,0,z[ifmd],idrotm[901], "ONLY");} | |
135 | //Silicon detector | |
136 | par[2]=zDet/2; | |
137 | zpos=zFMD/2 -par[2]; | |
37c55dc0 | 138 | gMC->Gsposp(nameSi,ifmd+1,name,0,0,zpos,0, "ONLY",par,3); |
a39f3926 | 139 | //Granularity |
140 | if(ifmd==1||ifmd==3) | |
37c55dc0 | 141 | { |
142 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi2, 2); | |
143 | gMC->Gsdvn(nameRing, nameSector, fRingsSi2, 1); | |
144 | } | |
145 | else | |
146 | { | |
147 | gMC->Gsdvn(nameSector, nameSi , fSectorsSi1, 2); | |
148 | gMC->Gsdvn(nameRing, nameSector , fRingsSi1, 1); | |
149 | } | |
d28dcc0d | 150 | |
151 | //Plastic slice for electronics | |
152 | par[2]=zElectronic/2; | |
153 | zpos=zpos-zDet/2-par[2]; | |
154 | gMC->Gsposp("GEL ",ifmd+1,name,0,0,zpos,0, "ONLY",par,3); | |
155 | ||
156 | //Simple Al support | |
157 | par[1]=rout[ifmd]; | |
158 | par[0]=rout[ifmd]-2; | |
159 | par[2]=zSupport/2; | |
160 | zpos=zpos-zElectronic/2-par[2]; | |
37c55dc0 | 161 | // gMC->Gsposp("GSUP",ifmd+1,name,0,0,zpos,0, "ONLY",par,3); |
d28dcc0d | 162 | |
163 | ||
164 | } | |
fe4da5cc | 165 | |
d28dcc0d | 166 | } |
37c55dc0 | 167 | |
168 | ||
d28dcc0d | 169 | //------------------------------------------------------------------------ |
170 | void AliFMDv0::CreateMaterials() | |
171 | { | |
172 | Int_t isxfld = gAlice->Field()->Integ(); | |
173 | Float_t sxmgmx = gAlice->Field()->Max(); | |
fe4da5cc | 174 | |
d28dcc0d | 175 | // Plastic CH |
176 | Float_t aPlastic[2]={1.01,12.01}; | |
177 | Float_t zPlastic[2]={1,6}; | |
178 | Float_t wPlastic[2]={1,1}; | |
179 | Float_t denPlastic=1.03; | |
180 | // | |
181 | ||
182 | //*** Definition Of avaible FMD materials *** | |
183 | AliMaterial(0, "Si chip$", 28.0855,14.,2.33,9.36,999); | |
184 | AliMaterial(1, "Al supprt$", 26.980,13.,2.70,8.9,999); | |
185 | AliMaterial(2, "FMD Air$", 14.61, 7.3, .001205, 30423.,999); | |
186 | AliMixture( 5, "Plastic$",aPlastic,zPlastic,denPlastic,-2,wPlastic); | |
187 | ||
fe4da5cc | 188 | |
d28dcc0d | 189 | //** |
190 | AliMedium(1, "Si chip$", 0, 1, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
191 | AliMedium(2, "Al support$", 1, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
192 | AliMedium(3, "FMD air$", 2, 0, isxfld, sxmgmx, 1., .001, 1., .001, .001); | |
193 | AliMedium(4, "Plastic$", 5, 0,isxfld, sxmgmx, 10., .01, 1., .003, .003); | |
194 | ||
195 | ||
196 | ||
197 | } | |
198 | //--------------------------------------------------------------------- | |
199 | void AliFMDv0::DrawDetector() | |
fe4da5cc | 200 | { |
d28dcc0d | 201 | // |
202 | // Draw a shaded view of the Forward multiplicity detector version 0 | |
203 | // | |
fe4da5cc | 204 | |
d28dcc0d | 205 | |
206 | //Set ALIC mother transparent | |
5d02ea6f | 207 | gMC->Gsatt("ALIC","SEEN",0); |
d28dcc0d | 208 | // |
209 | //Set volumes visible | |
210 | gMC->Gsatt("FMD0","SEEN",1); | |
211 | gMC->Gsatt("FMD1","SEEN",1); | |
212 | gMC->Gsatt("FMD2","SEEN",1); | |
213 | gMC->Gsatt("FMD3","SEEN",1); | |
214 | gMC->Gsatt("FMD4","SEEN",1); | |
215 | gMC->Gsatt("FMD5","SEEN",1); | |
216 | ||
217 | // | |
218 | gMC->Gdopt("hide","on"); | |
219 | gMC->Gdopt("shad","on"); | |
220 | gMC->SetClipBox("."); | |
221 | gMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000); | |
222 | gMC->DefaultRange(); | |
223 | gMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2); | |
224 | gMC->Gdhead(1111,"Forward multiplicity detector"); | |
225 | gMC->Gdopt("hide","off"); | |
226 | } | |
227 | //------------------------------------------------------------------- | |
228 | void AliFMDv0::Init() | |
229 | { | |
230 | // Initialises version 0 of the Forward Multiplicity Detector | |
231 | // | |
d28dcc0d | 232 | AliFMD::Init(); |
37c55dc0 | 233 | fIdSens1=gMC->VolId("GRN1"); |
234 | fIdSens2=gMC->VolId("GRN2"); | |
235 | fIdSens3=gMC->VolId("GRN3"); | |
236 | fIdSens4=gMC->VolId("GRN4"); | |
237 | fIdSens5=gMC->VolId("GRN5"); | |
0422d7f8 | 238 | if (fDebug) printf("*** FMD version 0 initialized ***\n"); |
fe4da5cc | 239 | } |
240 | ||
d28dcc0d | 241 | //------------------------------------------------------------------- |
242 | ||
243 | void AliFMDv0::StepManager() | |
fe4da5cc | 244 | { |
245 | // | |
d28dcc0d | 246 | // Called for every step in the Forward Multiplicity Detector |
fe4da5cc | 247 | // |
37c55dc0 | 248 | } |
fe4da5cc | 249 |