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 | **************************************************************************/ |
15 | |
d15a28e7 |
16 | //_________________________________________________________________________ |
17 | // Base Class of PHOS. |
18 | // Only creates the materials |
19 | //*-- Author : Laurent Aphecetche SUBATECH |
20 | ////////////////////////////////////////////////////////////////////////////// |
e84be1eb |
21 | |
fe4da5cc |
22 | // --- ROOT system --- |
fe4da5cc |
23 | |
24 | // --- Standard library --- |
fe4da5cc |
25 | |
d15a28e7 |
26 | // --- AliRoot header files --- |
27 | |
fe4da5cc |
28 | #include "AliPHOS.h" |
d15a28e7 |
29 | #include "AliMC.h" |
fe4da5cc |
30 | #include "AliRun.h" |
fe4da5cc |
31 | |
fe4da5cc |
32 | ClassImp(AliPHOS) |
33 | |
d15a28e7 |
34 | //____________________________________________________________________________ |
35 | AliPHOS::AliPHOS(const char* name, const char* title) |
36 | : AliDetector(name,title) |
fe4da5cc |
37 | { |
fe4da5cc |
38 | } |
39 | |
d15a28e7 |
40 | //____________________________________________________________________________ |
41 | AliPHOS::AliPHOS() : AliDetector() |
fe4da5cc |
42 | { |
fe4da5cc |
43 | } |
fe4da5cc |
44 | |
d15a28e7 |
45 | //____________________________________________________________________________ |
46 | AliPHOS::~AliPHOS() |
fe4da5cc |
47 | { |
d15a28e7 |
48 | delete fHits ; |
49 | delete fDigits ; |
fe4da5cc |
50 | } |
fe4da5cc |
51 | |
d15a28e7 |
52 | //____________________________________________________________________________ |
fe4da5cc |
53 | void AliPHOS::CreateMaterials() |
54 | { |
d15a28e7 |
55 | // DEFINITION OF PHOS MATERIALS |
fe4da5cc |
56 | |
d15a28e7 |
57 | // --- The PbWO4 crystals --- |
58 | Float_t AX[3] = {207.19, 183.85, 16.0} ; |
59 | Float_t ZX[3] = {82.0, 74.0, 8.0} ; |
60 | Float_t WX[3] = {1.0, 1.0, 4.0} ; |
61 | Float_t DX = 8.28 ; |
fe4da5cc |
62 | |
d15a28e7 |
63 | AliMixture(0, "PbWO4$", AX, ZX, DX, -3, WX) ; |
fe4da5cc |
64 | |
fe4da5cc |
65 | |
d15a28e7 |
66 | // --- The polysterene scintillator (CH) --- |
67 | Float_t AP[2] = {12.011, 1.00794} ; |
68 | Float_t ZP[2] = {6.0, 1.0} ; |
69 | Float_t WP[2] = {1.0, 1.0} ; |
70 | Float_t DP = 1.032 ; |
fe4da5cc |
71 | |
d15a28e7 |
72 | AliMixture(1, "Polystyrene$", AP, ZP, DP, -2, WP) ; |
fe4da5cc |
73 | |
d15a28e7 |
74 | // --- Aluminium --- |
75 | AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; |
76 | // --- Absorption length is ignored ^ |
fe4da5cc |
77 | |
d15a28e7 |
78 | // --- Tyvek (CnH2n) --- |
79 | Float_t AT[2] = {12.011, 1.00794} ; |
80 | Float_t ZT[2] = {6.0, 1.0} ; |
81 | Float_t WT[2] = {1.0, 2.0} ; |
82 | Float_t DT = 0.331 ; |
fe4da5cc |
83 | |
d15a28e7 |
84 | AliMixture(3, "Tyvek$", AT, ZT, DT, -2, WT) ; |
fe4da5cc |
85 | |
d15a28e7 |
86 | // --- Polystyrene foam --- |
87 | Float_t AF[2] = {12.011, 1.00794} ; |
88 | Float_t ZF[2] = {6.0, 1.0} ; |
89 | Float_t WF[2] = {1.0, 1.0} ; |
90 | Float_t DF = 0.12 ; |
fe4da5cc |
91 | |
d15a28e7 |
92 | AliMixture(4, "Foam$", AF, ZF, DF, -2, WF) ; |
fe4da5cc |
93 | |
d15a28e7 |
94 | // --- Titanium --- |
95 | Float_t ATIT[3] = {47.88, 26.98, 54.94} ; |
96 | Float_t ZTIT[3] = {22.0, 13.0, 25.0} ; |
97 | Float_t WTIT[3] = {69.0, 6.0, 1.0} ; |
98 | Float_t DTIT = 4.5 ; |
fe4da5cc |
99 | |
d15a28e7 |
100 | AliMixture(5, "Titanium$", ATIT, ZTIT, DTIT, -3, WTIT); |
fe4da5cc |
101 | |
d15a28e7 |
102 | // --- Silicon --- |
103 | AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ; |
fe4da5cc |
104 | |
fe4da5cc |
105 | |
fe4da5cc |
106 | |
d15a28e7 |
107 | // --- Foam thermo insulation --- |
108 | Float_t ATI[2] = {12.011, 1.00794} ; |
109 | Float_t ZTI[2] = {6.0, 1.0} ; |
110 | Float_t WTI[2] = {1.0, 1.0} ; |
111 | Float_t DTI = 0.1 ; |
fe4da5cc |
112 | |
d15a28e7 |
113 | AliMixture(7, "Thermo Insul.$", ATI, ZTI, DTI, -2, WTI) ; |
fe4da5cc |
114 | |
d15a28e7 |
115 | // --- Textolitn --- |
116 | Float_t ATX[4] = {16.0, 28.09, 12.011, 1.00794} ; |
117 | Float_t ZTX[4] = {8.0, 14.0, 6.0, 1.0} ; |
118 | Float_t WTX[4] = {292.0, 68.0, 462.0, 736.0} ; |
119 | Float_t DTX = 1.75 ; |
fe4da5cc |
120 | |
d15a28e7 |
121 | AliMixture(8, "Textolit$", ATX, ZTX, DTX, -4, WTX) ; |
fe4da5cc |
122 | |
d15a28e7 |
123 | //--- FR4 --- |
124 | Float_t AFR[3] = {28.0855, 15.9994, 17.749} ; |
125 | Float_t ZFR[3] = {14., 8., 8.875} ; |
126 | Float_t WFR[3] = {.28, .32, .4} ; |
127 | Float_t DFR = 1.8 ; |
fe4da5cc |
128 | |
d15a28e7 |
129 | AliMixture(9, "FR4$", AFR, ZFR, DFR, -3, WFR) ; |
fe4da5cc |
130 | |
d15a28e7 |
131 | // --- The Composite Material for micromegas (so far polyetylene) --- |
132 | Float_t ACM[2] = {12.01, 1.} ; |
133 | Float_t ZCM[2] = {6., 1.} ; |
134 | Float_t WCM[2] = {1., 2.} ; |
135 | Float_t DCM = 0.935 ; |
fe4da5cc |
136 | |
d15a28e7 |
137 | AliMixture(10, "Compo Mat$", ACM, ZCM, DCM, -2, WCM) ; |
fe4da5cc |
138 | |
d15a28e7 |
139 | // --- Copper --- |
140 | AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ; |
141 | |
142 | // --- G10 : Printed Circuit material --- |
143 | Float_t AG10[4] = { 12., 1., 16., 28.} ; |
144 | Float_t ZG10[4] = { 6., 1., 8., 14.} ; |
145 | Float_t WG10[4] = { .259, .288, .248, .205} ; |
146 | Float_t DG10 = 1.7 ; |
147 | |
148 | AliMixture(12, "G10$", AG10, ZG10, DG10, -4, WG10); |
fe4da5cc |
149 | |
d15a28e7 |
150 | // --- Lead --- |
151 | AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; |
fe4da5cc |
152 | |
d15a28e7 |
153 | // --- The gas mixture --- |
154 | // Co2 |
155 | Float_t ACO[2] = {12.0, 16.0} ; |
156 | Float_t ZCO[2] = {6.0, 8.0} ; |
157 | Float_t WCO[2] = {1.0, 2.0} ; |
158 | Float_t DCO = 0.001977 ; |
fe4da5cc |
159 | |
d15a28e7 |
160 | AliMixture(14, "CO2$", ACO, ZCO, DCO, -2, WCO); |
fe4da5cc |
161 | |
d15a28e7 |
162 | // Ar |
163 | Float_t DAr = 0.001782 ; |
164 | AliMaterial(15, "Ar$", 39.948, 18.0, DAr, 14.0, 0., 0, 0) ; |
165 | |
166 | // ArCo2 |
167 | Char_t namate[21]; |
168 | Float_t AGM[2] ; |
169 | Float_t ZGM[2] ; |
170 | Float_t WGM[2] ; |
171 | Float_t DGM ; |
fe4da5cc |
172 | |
d15a28e7 |
173 | Float_t AbsL, RadL, Density ; |
174 | Float_t buf[1] ; |
175 | Int_t nbuf ; |
bc9ab547 |
176 | |
d15a28e7 |
177 | gMC->Gfmate((*fIdmate)[15], namate, AGM[0], ZGM[0], Density, RadL, AbsL, buf, nbuf) ; // Get properties of Ar |
178 | gMC->Gfmate((*fIdmate)[14], namate, AGM[1], ZGM[1], Density, RadL, AbsL, buf, nbuf) ; // Get properties of CO2 |
bc9ab547 |
179 | |
fe4da5cc |
180 | |
d15a28e7 |
181 | // Create gas mixture |
fe4da5cc |
182 | |
d15a28e7 |
183 | Float_t ArContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%) |
184 | |
185 | WGM[0] = ArContent; |
186 | WGM[1] = 1. - ArContent ; |
187 | DGM = WGM[0] * DAr + WGM[1] * DCO; |
fe4da5cc |
188 | |
d15a28e7 |
189 | AliMixture(16, "ArCO2$", AGM, ZGM, DGM, 2, WGM) ; |
fe4da5cc |
190 | |
d15a28e7 |
191 | |
192 | // --- Air --- |
193 | AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; |
fe4da5cc |
194 | |
d15a28e7 |
195 | |
196 | // DEFINITION OF THE TRACKING MEDIA |
fe4da5cc |
197 | |
d15a28e7 |
198 | // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100] |
199 | Int_t * idtmed = fIdtmed->GetArray() - 699 ; |
200 | Int_t ISXFLD = gAlice->Field()->Integ() ; |
201 | Float_t SXMGMX = gAlice->Field()->Max() ; |
fe4da5cc |
202 | |
d15a28e7 |
203 | // The scintillator of the calorimeter made of PBW04 -> idtmed[699] |
204 | AliMedium(0, "PHOS Xtal $", 0, 1, |
205 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
206 | |
d15a28e7 |
207 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700] |
208 | AliMedium(1, "CPV scint. $", 1, 1, |
209 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
210 | |
d15a28e7 |
211 | // Various Aluminium parts made of Al -> idtmed[701] |
212 | AliMedium(2, "Al parts $", 2, 0, |
213 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc |
214 | |
d15a28e7 |
215 | // The Tywek which wraps the calorimeter crystals -> idtmed[702] |
216 | AliMedium(3, "Tyvek wrapper$", 3, 0, |
217 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc |
218 | |
d15a28e7 |
219 | // The Polystyrene foam around the calorimeter module -> idtmed[703] |
220 | AliMedium(4, "Polyst. foam $", 4, 0, |
221 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
222 | |
d15a28e7 |
223 | // The Titanium around the calorimeter crystal -> idtmed[704] |
224 | AliMedium(5, "Titan. cover $", 5, 0, |
225 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ; |
fe4da5cc |
226 | |
d15a28e7 |
227 | // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705] |
228 | AliMedium(6, "Si PIN $", 6, 0, |
229 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ; |
fe4da5cc |
230 | |
d15a28e7 |
231 | // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706] |
232 | AliMedium(7, "Thermo Insul.$", 7, 0, |
233 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
234 | |
d15a28e7 |
235 | // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707] |
236 | AliMedium(8, "Textolit $", 8, 0, |
237 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
238 | |
d15a28e7 |
239 | // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708] |
240 | AliMedium(9, "FR4 $", 9, 0, |
241 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc |
242 | |
fe4da5cc |
243 | |
d15a28e7 |
244 | // The Composite Material for micromegas -> idtmed[709] |
245 | AliMedium(10, "CompoMat $", 10, 0, |
246 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
247 | |
d15a28e7 |
248 | // Copper -> idtmed[710] |
249 | AliMedium(11, "Copper $", 11, 0, |
250 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc |
251 | |
d15a28e7 |
252 | // G10: Printed Circuit material -> idtmed[711] |
253 | |
254 | AliMedium(12, "G10 $", 12, 0, |
255 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
fe4da5cc |
256 | |
d15a28e7 |
257 | // The Lead -> idtmed[712] |
258 | |
259 | AliMedium(13, "Lead $", 13, 0, |
260 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc |
261 | |
d15a28e7 |
262 | // The gas mixture: ArCo2 -> idtmed[715] |
263 | |
264 | AliMedium(16, "ArCo2 $", 16, 1, |
265 | ISXFLD, SXMGMX, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
266 | |
267 | // Air -> idtmed[798] |
268 | AliMedium(99, "Air $", 99, 0, |
269 | ISXFLD, SXMGMX, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
fe4da5cc |
270 | |
d15a28e7 |
271 | // --- Set decent energy thresholds for gamma and electron tracking |
fe4da5cc |
272 | |
d15a28e7 |
273 | // Tracking threshold for photons and electrons in the scintillator crystal |
274 | gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; |
275 | gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ; |
fe4da5cc |
276 | |
d15a28e7 |
277 | // Tracking threshold for photons and electrons in the gas |
278 | gMC->Gstpar(idtmed[715], "CUTGAM",0.5E-4) ; |
279 | gMC->Gstpar(idtmed[715], "CUTELE",1.0E-4) ; |
fe4da5cc |
280 | |
d15a28e7 |
281 | // --- Generate explicitly delta rays in the titan cover --- |
282 | gMC->Gstpar(idtmed[704], "LOSS",3.) ; |
283 | gMC->Gstpar(idtmed[704], "DRAY",1.) ; |
fe4da5cc |
284 | |
d15a28e7 |
285 | // --- and in aluminium parts --- |
286 | gMC->Gstpar(idtmed[701], "LOSS",3.) ; |
287 | gMC->Gstpar(idtmed[701], "DRAY",1.) ; |
fe4da5cc |
288 | |
fe4da5cc |
289 | } |