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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 | /* |
17 | $Log$ |
94de3818 |
18 | Revision 1.8 2000/06/09 10:31:36 hristov |
19 | sqrt changed to TMath::Sqrt |
20 | |
b7f65909 |
21 | Revision 1.7 1999/11/03 18:01:40 fca |
22 | Remove non orthogonal unused matrix |
23 | |
a694ef05 |
24 | Revision 1.6 1999/09/29 09:24:28 fca |
25 | Introduction of the Copyright and cvs Log |
26 | |
4c039060 |
27 | */ |
28 | |
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29 | /////////////////////////////////////////////////////////////////////////////// |
30 | // // |
31 | // Photon Multiplicity Detector Version 1 // |
32 | // // |
33 | //Begin_Html |
34 | /* |
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35 | <img src="picts/AliPMDv1Class.gif"> |
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36 | */ |
37 | //End_Html |
38 | // // |
39 | /////////////////////////////////////////////////////////////////////////////// |
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40 | //// |
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41 | #include "AliPMDv1.h" |
42 | #include "AliRun.h" |
43 | #include "AliMC.h" |
44 | #include "AliConst.h" |
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45 | #include "AliMagF.h" |
46 | |
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47 | |
48 | static Int_t maxbox, kdet; |
49 | static Float_t thmin,thmax,zdist,zdist1,thlow,thhigh; |
50 | |
51 | ClassImp(AliPMDv1) |
52 | |
53 | //_____________________________________________________________________________ |
54 | AliPMDv1::AliPMDv1() |
55 | { |
56 | // |
57 | // Default constructor |
58 | // |
59 | fMedSens=0; |
60 | } |
61 | |
62 | //_____________________________________________________________________________ |
63 | AliPMDv1::AliPMDv1(const char *name, const char *title) |
64 | : AliPMD(name,title) |
65 | { |
66 | // |
67 | // Standard constructor |
68 | // |
69 | fMedSens=0; |
70 | } |
71 | //_____________________________________________________________________________ |
72 | void AliPMDv1::CreateGeometry() |
73 | { |
74 | // |
75 | // Create geometry for Photon Multiplicity Detector Version 1 |
76 | // |
77 | //Begin_Html |
78 | /* |
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79 | <img src="picts/AliPMDv1.gif"> |
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80 | */ |
81 | //End_Html |
82 | //Begin_Html |
83 | /* |
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84 | <img src="picts/AliPMDv1Tree.gif"> |
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85 | */ |
86 | //End_Html |
87 | CreatePads(); |
88 | CreateInside(); |
89 | } |
90 | |
91 | //_____________________________________________________________________________ |
92 | void AliPMDv1::CreateInside() |
93 | { |
94 | // |
95 | // Create inside of Pads |
96 | // |
97 | // -- Author : Y.P. VIYOGI, 07/05/1996. |
98 | // -- Modified: P.V.K.S.Baba(JU), 15-12-97. |
99 | // Sipmd, the dimension of TUBE mother volume of PMD, other dimensions |
100 | // like sip01.. are to place more tubes in the volume at different eta bins. |
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101 | |
102 | // Float_t sipmd[3] = { 40.,270.,15.}; |
103 | // ORG Float_t sipmd[3] = { 0.,130.,15.}; |
104 | Float_t sipmd[3] = { 0.,150.,15.}; |
105 | |
106 | // Float_t sip01[3] = { 10.,57.89,25.}; |
107 | //Float_t sip02[3] = { 10.,64.03,25.}; |
108 | //Float_t sip03[3] = { 10.,70.80,25.}; |
109 | //Float_t sip04[3] = { 10.,78.32,25.}; |
110 | //Float_t sip05[3] = { 10.,86.68,25.}; |
111 | //Float_t sip06[3] = { 10.,95.91,25.}; |
112 | //Float_t sip07[3] = { 10.,106.14,25.}; |
113 | //Float_t sip08[3] = { 10.,117.48,25.}; |
114 | //Float_t sip09[3] = { 10.,130.18,25.}; |
115 | //Float_t sip10[3] = { 10.,144.18,25.}; |
116 | //Float_t sip11[3] = { 10.,159.87,25.}; |
117 | //Float_t sip12[3] = { 10.,177.43,25.}; |
118 | //Float_t sip13[3] = { 10.,197.11,25.}; |
119 | //Float_t sip14[3] = { 10.,219.28,25.}; |
120 | //Float_t sipmdl[5] = { 10.,310.,25.,90.,270. }; |
121 | //Float_t sipmdr[5] = { 10.,310.,25.,270.,90. }; |
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122 | |
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123 | const Float_t root3_4 = TMath::Sqrt(3.)/4.; |
124 | const Float_t root3_2 = TMath::Sqrt(3.)/2.; |
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125 | // Float_t xiqa[4], yiqa[4]; |
126 | Int_t i; |
127 | // Float_t siqad[4]; |
128 | Float_t xp, yp, zp; |
129 | // Int_t idrotm[100]; |
130 | Int_t num_mod; |
131 | Int_t jhrotc,jhrotac; |
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132 | |
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133 | Int_t *idtmed = fIdtmed->GetArray()-599; |
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134 | |
135 | // VOLUMES Names : begining with D for all PMD volumes, |
136 | // The names of SIZE variables begin with S and have more meaningful |
137 | // characters as shown below. |
138 | |
139 | // VOLUME SIZE MEDIUM : REMARKS |
140 | // ------ ----- ------ : --------------------------- |
141 | |
142 | // DPMD SIPMD AIR : INSIDE PMD and its SIZE |
143 | |
144 | |
145 | |
146 | // *** Define the DPMD Volume and fill with air *** |
147 | |
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148 | gMC->Gsvolu("DPMD", "TUBE", idtmed[698], sipmd, 3); |
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149 | gMC->Gsatt("DPMD", "SEEN", 0); |
150 | |
151 | |
152 | // gMC->Gsvolu("PM01", "TUBE", idtmed[698], sip01, 3); |
153 | //gMC->Gsvolu("PM02", "TUBE", idtmed[698], sip02, 3); |
154 | //gMC->Gsvolu("PM03", "TUBE", idtmed[698], sip03, 3); |
155 | //gMC->Gsvolu("PM04", "TUBE", idtmed[698], sip04, 3); |
156 | //gMC->Gsvolu("PM05", "TUBE", idtmed[698], sip05, 3); |
157 | //gMC->Gsvolu("PM06", "TUBE", idtmed[698], sip06, 3); |
158 | //gMC->Gsvolu("PM07", "TUBE", idtmed[698], sip07, 3); |
159 | //gMC->Gsvolu("PM08", "TUBE", idtmed[698], sip08, 3); |
160 | //gMC->Gsvolu("PM09", "TUBE", idtmed[698], sip09, 3); |
161 | //gMC->Gsvolu("PM10", "TUBE", idtmed[698], sip10, 3); |
162 | //gMC->Gsvolu("PM11", "TUBE", idtmed[698], sip11, 3); |
163 | //gMC->Gsvolu("PM12", "TUBE", idtmed[698], sip12, 3); |
164 | //gMC->Gsvolu("PM13", "TUBE", idtmed[698], sip13, 3); |
165 | //gMC->Gsvolu("PM14", "TUBE", idtmed[698], sip14, 3); |
166 | //gMC->Gsvolu("PMDL", "TUBS", idtmed[698], sipmdl, 5); |
167 | //gMC->Gsvolu("PMDR", "TUBS", idtmed[698], sipmdr, 5); |
6edc06da |
168 | // |
169 | const Int_t npad2=72; |
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170 | const Float_t boundary=0.0; |
171 | const Float_t offset=0.05; |
172 | |
173 | // hexd1 array contains parameters of unit cell (polygon with 6 sides) |
174 | // new cells having 64 sq.mm. area |
175 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
176 | // Float_t hexd1[10] = {0.,360.,6,2,-0.4,0.,0.40,0.4,0.,0.40}; |
177 | // dpara_sm array contains parameters of Supermodule rhombus |
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178 | Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.}; |
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179 | //suprmodule side is 2*7 mm bigger than the total size of 72 cells array. |
180 | dpara_sm[0]=(npad2+0.25)*hexd1[6] + boundary; |
6edc06da |
181 | dpara_sm[1] = dpara_sm[0] *root3_2; |
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182 | //dpara_dm11 array contains parameters of the imaginary volume DM11, this is just a |
183 | // little more than the side of a supermodule. total side = 2*39 cm. |
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184 | Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.}; |
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185 | dpara_dm11[0]=dpara_sm[0] + offset; |
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186 | dpara_dm11[1] = dpara_dm11[0] *root3_2; |
187 | dpara_dm11[2]= 6.2/2.; |
188 | // |
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189 | Float_t dpara_hole[6] = {12.5,12.5,0.8,30.,0.,0.}; |
190 | dpara_hole[0]=dpara_dm11[0]/3.; |
191 | dpara_hole[1] = dpara_hole[0] *root3_2; |
192 | dpara_hole[2]= 6.2/2.; |
193 | gMC->Gsvolu("HOLE", "PARA", idtmed[698], dpara_hole, 6); |
194 | gMC->Gsatt("HOLE", "SEEN", 1); |
195 | |
196 | // |
197 | |
198 | AliMatrix(jhrotc, 90., 30., 90., 120., 0., 0.); |
199 | AliMatrix(jhrotac, 90., 330., 90., 240., 0., 0.); |
200 | |
201 | // delx = full side of the supermodule 78 cm. |
202 | Float_t delx=2*dpara_dm11[0]; |
203 | Float_t x1= delx*root3_4; |
204 | Float_t x2= delx*root3_4 + delx*root3_2; |
205 | Float_t x3= delx*root3_4 + 2*delx*root3_2; |
206 | // xpos are the x-coordinates of the centres of 13 supermodules on the left half of the |
207 | // PMD. Numbering of the boxes are : |
208 | // starting from the bottom part of the first column |
209 | // 1,2,3,4,5,6 (going downwards), then second column from bottom, 7,8,9,10,11 |
210 | // then third |
211 | // cloumn from top 12,13,14,15. |
212 | |
213 | Float_t xpos[15]={-x1,-x1,-x1,-x1,-x1,-x1,-x2,-x2,-x2,-x2,-x2,-x3,-x3,-x3,-x3}; |
214 | |
215 | Float_t x4=delx/4.; |
216 | |
217 | // ypos are the y-coordinates of the 13 supermodules (identical for both halves). |
218 | |
219 | // Float_t ypos[15]={(x4+2*delx),(x4+delx),x4,(x4-delx),x4-2*delx, |
220 | //x4-3*delx,-x4,-x4-delx,-x4-2*delx,-3*x4-delx,-x4-delx/2.,-3*x4+delx,-3*x4+2 //*delx}; |
221 | |
222 | Float_t ypos[15]; |
223 | ypos[2]=x4; |
224 | ypos[1]=ypos[2]+delx; |
225 | ypos[0]=ypos[1]+delx; |
226 | |
227 | ypos[3]=ypos[2]-delx; |
228 | ypos[4]=ypos[3]-delx; |
229 | ypos[5]=ypos[4]-delx; |
230 | |
231 | ypos[6]=ypos[5]+delx/2; |
232 | ypos[7]=ypos[6]+delx; |
233 | ypos[8]=ypos[7]+delx; |
234 | ypos[9]=ypos[8]+delx; |
235 | ypos[10]=ypos[9]+delx; |
236 | |
237 | ypos[11]=ypos[1]; |
238 | ypos[12]=ypos[2]; |
239 | ypos[13]=ypos[3]; |
240 | ypos[14]=ypos[4]; |
241 | |
242 | |
243 | // for (i = 0; i < 2; ++i) { |
244 | // num_mod=i+1; |
245 | //gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6); |
246 | // gMC->Gsposp("DM11", num_mod+13, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6); |
247 | //printf("Num_mod %d\n",num_mod); |
248 | // } |
249 | |
250 | maxbox=15; |
251 | for (i = 0; i < maxbox; ++i) { |
6edc06da |
252 | num_mod=i+1; |
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253 | gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6); |
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254 | gMC->Gsposp("DM11", num_mod+15, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6); |
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255 | printf("Num_mod %d\n",num_mod); |
256 | } |
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257 | |
258 | // place four unit modules to create a hole of air. |
259 | Float_t xhole = dpara_hole[0]*root3_2; |
260 | Float_t yhole = dpara_hole[0]/2; |
261 | gMC->Gsposp("HOLE", 1, "DPMD", -xhole, yhole, 0., jhrotc, "ONLY", dpara_hole, 6); |
262 | gMC->Gsposp("HOLE", 3, "DPMD", xhole, yhole ,0., jhrotac, "ONLY", dpara_hole, 6); |
263 | yhole=yhole-dpara_hole[0]*2; |
264 | |
265 | gMC->Gsposp("HOLE", 2, "DPMD", -xhole, yhole, 0., jhrotc, "ONLY", dpara_hole, 6); |
266 | gMC->Gsposp("HOLE", 4, "DPMD", xhole, yhole ,0., jhrotac, "ONLY", dpara_hole, 6); |
267 | |
268 | |
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269 | // gMC->Gspos("PM01", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
270 | // gMC->Gspos("PM02", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
271 | // gMC->Gspos("PM03", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
272 | // gMC->Gspos("PM04", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
273 | // gMC->Gspos("PM05", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
274 | // gMC->Gspos("PM06", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
275 | // gMC->Gspos("PM07", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
276 | // gMC->Gspos("PM08", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
277 | // gMC->Gspos("PM09", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
278 | // gMC->Gspos("PM10", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
279 | // gMC->Gspos("PM11", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
280 | // gMC->Gspos("PM12", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
281 | // gMC->Gspos("PM13", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
282 | // gMC->Gspos("PM14", 1, "DPMD", 0.,0.,0., 0, "ONLY"); |
6edc06da |
283 | // --- Place the DPMD in ALICE with front edge 5.8m from vertex --- |
284 | xp = 0.; |
285 | yp = 0.; |
286 | zp = zdist1; |
cfce8870 |
287 | // gMC->Gspos("PMDL", 1, "DPMD", xp,yp,0., 0, "ONLY"); |
288 | // gMC->Gspos("PMDR", 1, "DPMD", xp,yp,0., 0, "ONLY"); |
289 | gMC->Gspos("DPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY"); |
6edc06da |
290 | |
291 | } |
292 | |
293 | //_____________________________________________________________________________ |
294 | void AliPMDv1::CreatePads() |
295 | { |
296 | // |
297 | // Create the geometry of the pads |
298 | // *** DEFINITION OF THE GEOMETRY OF THE PMD *** |
299 | // *** HEXAGONAL PADS WITH 10 MM SQUARE EQUIVALENT |
300 | // -- Author : S. Chattopadhyay, 02/04/1999. |
301 | |
302 | // Basic unit is DP11, a hexagonal cell, which is placed inside another |
303 | // hexagonal cell (DS11) of larger radius, compared to DP11. The difference in r// adius gives the dimension of half width of each cell wall. |
304 | // These cells are placed as 72 x 72 array in a |
305 | // rhombus shaped supermodule (DW11). The rhombus shaped modules are designed |
306 | // to have closed packed structure. |
307 | // Each supermodule (SUPR), made of G10 is filled with following components |
308 | // SMSS --> SS backing, |
309 | // SMAR --> Gap between gas hexagonal cells and G10 backing. |
310 | // DW11 --> Ar-Co2 filled gas hexagonal cells. |
311 | // SMAR |
312 | // These supermodules are placed inside the main module (DM11), with Fe and |
313 | // Pb converter positioned between CPV and PMD. |
314 | // DM11 made of |
315 | // SUPR (rotated to place steel on the other side), this works as preshower |
316 | // when PMD is placed in -ve z. |
317 | // SUPB --> Pb converter |
318 | // SUFE --> Fe backing |
319 | // SUPR --> supermodule without rotation (this acts as CPV). |
320 | // |
321 | |
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322 | const Int_t npad2 = 72; |
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323 | Float_t hexd1[10] = {0.,360.,6,2,-0.25,0.,0.25,0.25,0.,0.25}; |
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324 | //total wall thickness=0.2*2 |
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325 | Float_t hexd2[10] = {0.,360.,6,2,-0.25,0.,0.23,0.25,0.,0.23}; |
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326 | Int_t i, j; |
327 | Float_t xb, yb, zb;//, sw[3]; |
328 | Int_t number; |
329 | Int_t ihrotm,irotdm; |
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330 | const Float_t root3_cons = TMath::Sqrt(3.) /2.; |
ad51aeb0 |
331 | Int_t *idtmed = fIdtmed->GetArray()-599; |
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332 | |
333 | AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.); |
334 | AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.); |
335 | zdist1 = fIn[2]; |
336 | zdist = TMath::Abs(zdist1); |
337 | // |
338 | Int_t xrow=1; |
339 | Float_t dpara[6] = {12.5,12.5,0.4,30.,0.,0.}; |
340 | dpara[0]=(npad2+0.25)*hexd1[6]; |
341 | dpara[1] = dpara[0] *root3_cons; |
342 | // |
343 | //Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu |
344 | // rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension |
345 | //(1mm tolerance on both side and 5mm thick G10 wall) |
346 | // |
347 | |
348 | // **** PAD SIZE 10 MM SQUARE EQUIVALENT |
349 | // |
350 | // Inner hex filled with gas |
cfce8870 |
351 | gMC->Gsvolu("DP11", "PGON", idtmed[604], hexd2,10); |
d0da944c |
352 | gMC->Gsatt("DP11", "SEEN", 0); |
6edc06da |
353 | |
354 | // Outer hex filled with Plastic |
cfce8870 |
355 | //plastic gMC->Gsvolu("DS11", "PGON", idtmed[616], hexd1,10); |
6edc06da |
356 | // Iron |
d0da944c |
357 | gMC->Gsvolu("DS11", "PGON", idtmed[614], hexd1,10); |
358 | gMC->Gsatt("DS11", "SEEN", 0); |
6edc06da |
359 | // --- place inner hex inside outer hex |
cfce8870 |
360 | gMC->Gsposp("DP11", 1, "DS11", 0., 0., 0., 0, "ONLY", hexd2, 10); |
6edc06da |
361 | // Rhombus shaped supermodules (defined by PARA) |
362 | // volume for SUPERMODULE |
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363 | const Float_t boundary=0.0; |
364 | const Float_t offset=0.05; |
365 | |
6edc06da |
366 | Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.}; |
d0da944c |
367 | dpara_sm[0]=(npad2+0.25)*hexd1[6] + boundary; |
6edc06da |
368 | dpara_sm[1] = dpara_sm[0] *root3_cons; |
369 | // |
cfce8870 |
370 | gMC->Gsvolu("SUPR","PARA", idtmed[607], dpara_sm, 6); |
d0da944c |
371 | gMC->Gsatt("SUPR", "SEEN", 0); |
6edc06da |
372 | // SS |
373 | Float_t dpara_ss[6] = {12.5,12.5,8.,30.,0.,0.}; |
374 | dpara_ss[0]= dpara[0]; |
375 | dpara_ss[1]= dpara[1]; |
d0da944c |
376 | dpara_ss[2]= 0.15/2.; |
6edc06da |
377 | // |
cfce8870 |
378 | gMC->Gsvolu("SMSS","PARA", idtmed[601], dpara_ss, 6); |
d0da944c |
379 | gMC->Gsatt("SMSS", "SEEN", 0); |
6edc06da |
380 | // Air |
381 | Float_t dpara_air[6] = {12.5,12.5,8.,30.,0.,0.}; |
382 | dpara_air[0]= dpara[0] - 0.5; |
383 | dpara_air[1]= dpara_air[0] * root3_cons; |
384 | dpara_air[2]= 0.1/2.; |
cfce8870 |
385 | // gMC->Gsvolu("SMAR","PARA", idtmed[604], dpara_air, 6); |
386 | gMC->Gsvolu("SMAR","PARA", idtmed[698], dpara_air, 6); |
d0da944c |
387 | gMC->Gsatt("SMAR", "SEEN", 0); |
6edc06da |
388 | // |
389 | // volume for gas chamber (DW11) |
390 | // |
cfce8870 |
391 | // gMC->Gsvolu("DW11","PARA", idtmed[604], dpara, 6); |
392 | gMC->Gsvolu("DW11","PARA", idtmed[698], dpara, 6); |
d0da944c |
393 | gMC->Gsatt("DW11", "SEEN", 0); |
6edc06da |
394 | // Place outer hex inside DW11 |
395 | yb = -dpara[1] + (1./root3_cons)*hexd1[6]; |
396 | zb = 0.; |
397 | for (j = 1; j <= npad2; ++j) { |
398 | xb =-(dpara[0] + dpara[1]*0.577) + 2*hexd1[6]; |
399 | if(xrow >= 2){ |
400 | xb = xb+(xrow-1)*hexd1[6]; |
401 | } |
402 | for (i = 1; i <= npad2; ++i) { |
403 | number = i+(j-1)*npad2; |
cfce8870 |
404 | gMC->Gsposp("DS11", number, "DW11", xb, yb, zb, ihrotm, "ONLY", hexd1, 10); |
6edc06da |
405 | xb += (hexd1[6]*2.); |
406 | } |
407 | xrow = xrow+1; |
b7f65909 |
408 | yb += (hexd1[6]*TMath::Sqrt(3.)); |
6edc06da |
409 | } |
410 | Float_t z_ss,z_air1,z_air2,z_gas; |
411 | // Place other components inside super module |
412 | z_ss=-dpara_sm[2]+dpara_ss[2]; |
cfce8870 |
413 | gMC->Gspos("SMSS", 1, "SUPR", 0., 0., z_ss, 0, "ONLY"); |
6edc06da |
414 | z_air1=z_ss+dpara_ss[2] +dpara_air[2]; |
cfce8870 |
415 | gMC->Gspos("SMAR", 1, "SUPR", 0., 0., z_air1, 0, "ONLY"); |
d0da944c |
416 | z_gas=z_air1+dpara_air[2]+dpara[2]+0.05; |
cfce8870 |
417 | gMC->Gspos("DW11", 1, "SUPR", 0., 0., z_gas, 0, "ONLY"); |
d0da944c |
418 | z_air2=z_gas+dpara[2]+0.05+dpara_air[2]; |
cfce8870 |
419 | gMC->Gspos("SMAR", 2, "SUPR", 0., 0., z_air2, 0, "ONLY"); |
6edc06da |
420 | |
421 | // --- DEFINE MODules, iron, and lead voLUMES |
422 | |
423 | |
424 | // volume for SUPERMODULE |
425 | // Pb |
426 | Float_t dpara_pb[6] = {12.5,12.5,8.,30.,0.,0.}; |
427 | dpara_pb[0]=dpara_sm[0]; |
428 | dpara_pb[1]=dpara_sm[1]; |
6edc06da |
429 | dpara_pb[2]=1.5/2.; |
d0da944c |
430 | // dpara_pb[2]=1.0/2.; |
cfce8870 |
431 | gMC->Gsvolu("SUPB","PARA", idtmed[600], dpara_pb, 6); |
d0da944c |
432 | //--- gMC->Gsvolu("SUPB","PARA", idtmed[698], dpara_pb, 6); |
433 | gMC->Gsatt("SUPB", "SEEN", 0); |
434 | // tungsten |
435 | Float_t dpara_tg[6] = {12.5,12.5,8.,30.,0.,0.}; |
436 | dpara_tg[0]=dpara_sm[0]; |
437 | dpara_tg[1]=dpara_sm[1]; |
438 | dpara_tg[2]=1.0/2.; |
439 | gMC->Gsvolu("SUTG","PARA", idtmed[606], dpara_tg, 6); |
440 | gMC->Gsatt("SUTG", "SEEN", 0); |
6edc06da |
441 | // Fe |
442 | Float_t dpara_fe[6] = {12.5,12.5,8.,30.,0.,0.}; |
443 | dpara_fe[0]=dpara_sm[0]; |
444 | dpara_fe[1]=dpara_sm[1]; |
445 | dpara_fe[2]=0.5/2.; |
cfce8870 |
446 | gMC->Gsvolu("SUFE","PARA", idtmed[601], dpara_fe, 6); |
d0da944c |
447 | gMC->Gsatt("SUFE", "SEEN", 0); |
6edc06da |
448 | // volume for DM11 |
449 | Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.}; |
d0da944c |
450 | dpara_dm11[0]=dpara_sm[0]+offset; |
6edc06da |
451 | dpara_dm11[1] = dpara_dm11[0] *root3_cons; |
452 | dpara_dm11[2]= 6.2/2.; |
453 | |
454 | // |
cfce8870 |
455 | gMC->Gsvolu("DM11","PARA", idtmed[698], dpara_dm11, 6); |
456 | gMC->Gsatt("DM11", "SEEN", 1); |
6edc06da |
457 | // position super module inside DM11 |
458 | Float_t z_ps,z_pb,z_fe,z_cv; |
459 | z_ps=-dpara_dm11[2]+dpara_sm[2]; |
d0da944c |
460 | gMC->Gspos("SUPR", 2, "DM11", 0., 0., z_ps, irotdm, "ONLY"); |
6edc06da |
461 | z_pb=z_ps+dpara_sm[2]+dpara_pb[2]; |
cfce8870 |
462 | gMC->Gspos("SUPB", 1, "DM11", 0., 0., z_pb, 0, "ONLY"); |
6edc06da |
463 | z_fe=z_pb+dpara_pb[2]+dpara_fe[2]; |
cfce8870 |
464 | gMC->Gspos("SUFE", 1, "DM11", 0., 0., z_fe, 0, "ONLY"); |
6edc06da |
465 | z_cv=z_fe+dpara_fe[2]+dpara_sm[2]; |
d0da944c |
466 | gMC->Gspos("SUPR", 1, "DM11", 0., 0., z_cv, 0, "ONLY"); |
6edc06da |
467 | // |
468 | } |
469 | |
470 | //_____________________________________________________________________________ |
471 | void AliPMDv1::DrawModule() |
472 | { |
473 | // |
474 | // Draw a shaded view of the Photon Multiplicity Detector |
475 | // |
476 | |
cfce8870 |
477 | gMC->Gsatt("*", "seen", -1); |
478 | gMC->Gsatt("alic", "seen", 0); |
6edc06da |
479 | // |
480 | // Set the visibility of the components |
481 | // |
cfce8870 |
482 | gMC->Gsatt("DP11","seen",0); |
d0da944c |
483 | gMC->Gsatt("DS11","seen",0); |
cfce8870 |
484 | gMC->Gsatt("DW11","seen",0); |
485 | gMC->Gsatt("DM11","seen",1); |
d0da944c |
486 | gMC->Gsatt("HOLE","seen",1); |
cfce8870 |
487 | gMC->Gsatt("DPMD","seen",0); |
6edc06da |
488 | // |
cfce8870 |
489 | gMC->Gdopt("hide", "on"); |
490 | gMC->Gdopt("shad", "on"); |
491 | gMC->Gsatt("*", "fill", 7); |
492 | gMC->SetClipBox("."); |
493 | gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000); |
494 | gMC->DefaultRange(); |
495 | gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02); |
496 | gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1"); |
497 | //gMC->Gdman(17, 5, "MAN"); |
498 | gMC->Gdopt("hide", "off"); |
6edc06da |
499 | } |
500 | |
501 | //_____________________________________________________________________________ |
502 | void AliPMDv1::CreateMaterials() |
503 | { |
504 | // |
505 | // Create materials for the PMD version 1 |
506 | // |
507 | // ORIGIN : Y. P. VIYOGI |
508 | // |
509 | |
6edc06da |
510 | // --- The Argon- CO2 mixture --- |
511 | Float_t ag[2] = { 39.95 }; |
512 | Float_t zg[2] = { 18. }; |
513 | Float_t wg[2] = { .8,.2 }; |
514 | Float_t dar = .001782; // --- Ar density in g/cm3 --- |
515 | // --- CO2 --- |
516 | Float_t ac[2] = { 12.,16. }; |
517 | Float_t zc[2] = { 6.,8. }; |
518 | Float_t wc[2] = { 1.,2. }; |
519 | Float_t dc = .001977; |
520 | Float_t dco = .002; // --- CO2 density in g/cm3 --- |
521 | |
522 | Float_t absl, radl, a, d, z; |
523 | Float_t dg; |
524 | Float_t x0ar; |
d0da944c |
525 | Float_t x0xe=2.4; |
526 | Float_t dxe=0.005858; |
6edc06da |
527 | Float_t buf[1]; |
528 | Int_t nbuf; |
529 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; |
530 | Float_t zsteel[4] = { 26.,24.,28.,14. }; |
531 | Float_t wsteel[4] = { .715,.18,.1,.005 }; |
532 | |
ad51aeb0 |
533 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da |
534 | Int_t isxfld = gAlice->Field()->Integ(); |
535 | Float_t sxmgmx = gAlice->Field()->Max(); |
536 | |
537 | // --- Define the various materials for GEANT --- |
538 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); |
539 | x0ar = 19.55 / dar; |
540 | AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4); |
541 | AliMixture(3, "CO2 $", ac, zc, dc, -2, wc); |
542 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); |
543 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); |
544 | AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3); |
545 | AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.); |
546 | AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.); |
547 | AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7); |
548 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); |
549 | AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9); |
550 | AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.); |
d0da944c |
551 | // AliMaterial(31, "Xenon$", 131.3, 54., dxe, x0xe, 6.5e4); |
6edc06da |
552 | |
553 | AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.); |
554 | AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.); |
555 | AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16); |
556 | AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.); |
557 | AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); |
558 | // define gas-mixtures |
559 | |
560 | char namate[21]; |
cfce8870 |
561 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); |
6edc06da |
562 | ag[1] = a; |
563 | zg[1] = z; |
564 | dg = (dar * 4 + dco) / 5; |
565 | AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg); |
566 | |
567 | // Define tracking media |
ad51aeb0 |
568 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
569 | AliMedium(2, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
570 | AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
571 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
572 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
573 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
574 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
575 | AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
576 | AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
577 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10); |
578 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1); |
579 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
580 | AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
581 | AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); |
d0da944c |
582 | // AliMedium(31, "Xenon $", 31, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); |
6edc06da |
583 | |
584 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- |
cfce8870 |
585 | gMC->Gstpar(idtmed[600], "LOSS", 3.); |
586 | gMC->Gstpar(idtmed[600], "DRAY", 1.); |
6edc06da |
587 | |
cfce8870 |
588 | gMC->Gstpar(idtmed[603], "LOSS", 3.); |
589 | gMC->Gstpar(idtmed[603], "DRAY", 1.); |
6edc06da |
590 | |
cfce8870 |
591 | gMC->Gstpar(idtmed[604], "LOSS", 3.); |
592 | gMC->Gstpar(idtmed[604], "DRAY", 1.); |
6edc06da |
593 | |
cfce8870 |
594 | gMC->Gstpar(idtmed[605], "LOSS", 3.); |
595 | gMC->Gstpar(idtmed[605], "DRAY", 1.); |
6edc06da |
596 | |
cfce8870 |
597 | gMC->Gstpar(idtmed[606], "LOSS", 3.); |
598 | gMC->Gstpar(idtmed[606], "DRAY", 1.); |
6edc06da |
599 | |
cfce8870 |
600 | gMC->Gstpar(idtmed[607], "LOSS", 3.); |
601 | gMC->Gstpar(idtmed[607], "DRAY", 1.); |
6edc06da |
602 | |
603 | // --- Energy cut-offs in the Pb and Al to gain time in tracking --- |
604 | // --- without affecting the hit patterns --- |
cfce8870 |
605 | gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4); |
606 | gMC->Gstpar(idtmed[600], "CUTELE", 1e-4); |
607 | gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4); |
608 | gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4); |
609 | gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4); |
610 | gMC->Gstpar(idtmed[605], "CUTELE", 1e-4); |
611 | gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4); |
612 | gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4); |
613 | gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4); |
614 | gMC->Gstpar(idtmed[606], "CUTELE", 1e-4); |
615 | gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4); |
616 | gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4); |
617 | gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4); |
618 | gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); |
619 | gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); |
620 | gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); |
621 | gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); |
622 | gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); |
623 | gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); |
624 | gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); |
6edc06da |
625 | |
626 | // --- Prevent particles stopping in the gas due to energy cut-off --- |
cfce8870 |
627 | gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); |
628 | gMC->Gstpar(idtmed[604], "CUTELE", 1e-5); |
629 | gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5); |
630 | gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5); |
631 | gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); |
6edc06da |
632 | } |
633 | |
634 | //_____________________________________________________________________________ |
635 | void AliPMDv1::Init() |
636 | { |
637 | // |
638 | // Initialises PMD detector after it has been built |
639 | // |
640 | Int_t i; |
641 | kdet=1; |
642 | // |
643 | printf("\n"); |
644 | for(i=0;i<35;i++) printf("*"); |
645 | printf(" PMD_INIT "); |
646 | for(i=0;i<35;i++) printf("*"); |
647 | printf("\n"); |
648 | printf(" PMD simulation package (v1) initialised\n"); |
649 | printf(" parameters of pmd\n"); |
650 | printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh); |
651 | // |
652 | for(i=0;i<80;i++) printf("*"); |
653 | printf("\n"); |
654 | // |
ad51aeb0 |
655 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da |
656 | fMedSens=idtmed[605-1]; |
657 | } |
658 | |
659 | //_____________________________________________________________________________ |
660 | void AliPMDv1::StepManager() |
661 | { |
662 | // |
663 | // Called at each step in the PMD |
664 | // |
665 | Int_t copy; |
666 | Float_t hits[4], destep; |
667 | Float_t center[3] = {0,0,0}; |
668 | Int_t vol[5]; |
0a6d8768 |
669 | // char *namep; |
6edc06da |
670 | |
cfce8870 |
671 | if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) { |
6edc06da |
672 | |
0a6d8768 |
673 | gMC->CurrentVolID(copy); |
674 | // namep=gMC->CurrentVolName(); |
675 | // printf("Current vol is %s \n",namep); |
6edc06da |
676 | vol[0]=copy; |
0a6d8768 |
677 | gMC->CurrentVolOffID(1,copy); |
678 | // namep=gMC->CurrentVolOffName(1); |
679 | // printf("Current vol 11 is %s \n",namep); |
6edc06da |
680 | vol[1]=copy; |
0a6d8768 |
681 | gMC->CurrentVolOffID(2,copy); |
682 | // namep=gMC->CurrentVolOffName(2); |
683 | // printf("Current vol 22 is %s \n",namep); |
6edc06da |
684 | vol[2]=copy; |
685 | // if(strncmp(namep,"DW11",4))vol[2]=1; |
0a6d8768 |
686 | gMC->CurrentVolOffID(3,copy); |
687 | // namep=gMC->CurrentVolOffName(3); |
688 | // printf("Current vol 33 is %s \n",namep); |
6edc06da |
689 | vol[3]=copy; |
0a6d8768 |
690 | gMC->CurrentVolOffID(4,copy); |
691 | // namep=gMC->CurrentVolOffName(4); |
692 | // printf("Current vol 44 is %s \n",namep); |
6edc06da |
693 | vol[4]=copy; |
694 | // printf("volume number %d,%d,%d,%d,%d \n",vol[0],vol[1],vol[2],vol[3],vol[4]); |
cfce8870 |
695 | gMC->Gdtom(center,hits,1); |
6edc06da |
696 | hits[3] = destep*1e9; //Number in eV |
697 | AddHit(gAlice->CurrentTrack(), vol, hits); |
698 | } |
699 | } |
700 | |
701 | |