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Some errors on HP and DEC fixed.
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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 **************************************************************************/
15
16/*
17$Log$
b7f65909 18Revision 1.7 1999/11/03 18:01:40 fca
19Remove non orthogonal unused matrix
20
a694ef05 21Revision 1.6 1999/09/29 09:24:28 fca
22Introduction of the Copyright and cvs Log
23
4c039060 24*/
25
6edc06da 26///////////////////////////////////////////////////////////////////////////////
27// //
28// Photon Multiplicity Detector Version 1 //
29// //
30//Begin_Html
31/*
1439f98e 32<img src="picts/AliPMDv1Class.gif">
6edc06da 33*/
34//End_Html
35// //
36///////////////////////////////////////////////////////////////////////////////
37
38#include "AliPMDv1.h"
39#include "AliRun.h"
40#include "AliMC.h"
41#include "AliConst.h"
42
43static Int_t maxbox, kdet;
44static Float_t thmin,thmax,zdist,zdist1,thlow,thhigh;
45
46ClassImp(AliPMDv1)
47
48//_____________________________________________________________________________
49AliPMDv1::AliPMDv1()
50{
51 //
52 // Default constructor
53 //
54 fMedSens=0;
55}
56
57//_____________________________________________________________________________
58AliPMDv1::AliPMDv1(const char *name, const char *title)
59 : AliPMD(name,title)
60{
61 //
62 // Standard constructor
63 //
64 fMedSens=0;
65}
66//_____________________________________________________________________________
67void AliPMDv1::CreateGeometry()
68{
69 //
70 // Create geometry for Photon Multiplicity Detector Version 1
71 //
72 //Begin_Html
73 /*
1439f98e 74 <img src="picts/AliPMDv1.gif">
6edc06da 75 */
76 //End_Html
77 //Begin_Html
78 /*
1439f98e 79 <img src="picts/AliPMDv1Tree.gif">
6edc06da 80 */
81 //End_Html
82 CreatePads();
83 CreateInside();
84}
85
86//_____________________________________________________________________________
87void AliPMDv1::CreateInside()
88{
89 //
90 // Create inside of Pads
91 //
92 // -- Author : Y.P. VIYOGI, 07/05/1996.
93 // -- Modified: P.V.K.S.Baba(JU), 15-12-97.
94// Sipmd, the dimension of TUBE mother volume of PMD, other dimensions
95// like sip01.. are to place more tubes in the volume at different eta bins.
96 Float_t sipmd[3] = { 40.,270.,15.};
97 Float_t sip01[3] = { 10.,57.89,25.};
98 Float_t sip02[3] = { 10.,64.03,25.};
99 Float_t sip03[3] = { 10.,70.80,25.};
100 Float_t sip04[3] = { 10.,78.32,25.};
101 Float_t sip05[3] = { 10.,86.68,25.};
102 Float_t sip06[3] = { 10.,95.91,25.};
103 Float_t sip07[3] = { 10.,106.14,25.};
104 Float_t sip08[3] = { 10.,117.48,25.};
105 Float_t sip09[3] = { 10.,130.18,25.};
106 Float_t sip10[3] = { 10.,144.18,25.};
107 Float_t sip11[3] = { 10.,159.87,25.};
108 Float_t sip12[3] = { 10.,177.43,25.};
109 Float_t sip13[3] = { 10.,197.11,25.};
110 Float_t sip14[3] = { 10.,219.28,25.};
111 Float_t sipmdl[5] = { 10.,310.,25.,90.,270. };
112 Float_t sipmdr[5] = { 10.,310.,25.,270.,90. };
113
b7f65909 114 const Float_t root3_4 = TMath::Sqrt(3.)/4.;
115 const Float_t root3_2 = TMath::Sqrt(3.)/2.;
6edc06da 116 // Float_t xiqa[4], yiqa[4];
117 Int_t i;
118 // Float_t siqad[4];
119 Float_t xp, yp, zp;
120 // Int_t idrotm[100];
121 Int_t num_mod;
122 Int_t jhrotc,jhrotac;
6edc06da 123// const Float_t delx=78.8;
124 const Float_t delx=76.75;
125 // const Float_t dely=delx*root3_2;
126// const Float_t delz=1.6/2.;
127 AliMatrix(jhrotc, 90., 30., 90., 120., 0., 0.);
128 AliMatrix(jhrotac, 90., 330., 90., 240., 0., 0.);
6edc06da 129 Float_t x1= delx*root3_4;
130 Float_t x2= delx*root3_4 + delx*root3_2;
131 Float_t x3= delx*root3_4 + 2*delx*root3_2;
132 Float_t xpos[13]={-x1,-x1,-x1,-x1,-x2,-x2,-x2,-x2,-x2,-x3,-x3,-x3,-x3};
133 Float_t x4=delx/4.;
134 Float_t ypos[13]={(-70.-x4-delx),-(70.+x4),(70.+x4),(70.+x4+delx),-x4+2*delx,-x4+delx,-x4,-x4-delx,-x4-2*delx,-3*x4-delx,-x4-delx/2.,-3*x4+delx,-3*x4+2*delx};
135// Float_t ypos[13]={(-70.-x4-delx),-(70.+x4),(70.+x4),(70.+x4+delx),(4*dely),(2*dely),0.,-(2*dely),-(4*dely),-3*x4-delx,-x4-delx/2.,-3*x4+delx,-3*x4+2*delx};
ad51aeb0 136 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 137
138 // VOLUMES Names : begining with D for all PMD volumes,
139 // The names of SIZE variables begin with S and have more meaningful
140 // characters as shown below.
141
142 // VOLUME SIZE MEDIUM : REMARKS
143 // ------ ----- ------ : ---------------------------
144
145 // DPMD SIPMD AIR : INSIDE PMD and its SIZE
146
147
148
149 // *** Define the DPMD Volume and fill with air ***
150
cfce8870 151 gMC->Gsvolu("DPMD", "TUBE", idtmed[698], sipmd, 3);
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;
170 Float_t hexd1[10] = {0.,360.,6,2,-0.4,0.,0.53,0.4,0.,0.53};
171 Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.};
172 dpara_sm[0]=(npad2+0.25)*hexd1[6] + 1.2;
173 dpara_sm[1] = dpara_sm[0] *root3_2;
174 Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.};
175 dpara_dm11[0]=dpara_sm[0]+.01;
176 dpara_dm11[1] = dpara_dm11[0] *root3_2;
177 dpara_dm11[2]= 6.2/2.;
178//
179 for (i = 0; i < 2; ++i) {
180 num_mod=i+1;
cfce8870 181 gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6);
182 gMC->Gsposp("DM11", num_mod+13, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6);
6edc06da 183 printf("Num_mod %d\n",num_mod);
184 }
185 maxbox=13;
186 for (i = 2; i < maxbox; ++i) {
187 num_mod=i+1;
cfce8870 188 gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6);
189 gMC->Gsposp("DM11", num_mod+13, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6);
6edc06da 190 printf("Num_mod %d\n",num_mod);
191 }
cfce8870 192// gMC->Gspos("PM01", 1, "DPMD", 0.,0.,0., 0, "ONLY");
193// gMC->Gspos("PM02", 1, "DPMD", 0.,0.,0., 0, "ONLY");
194// gMC->Gspos("PM03", 1, "DPMD", 0.,0.,0., 0, "ONLY");
195// gMC->Gspos("PM04", 1, "DPMD", 0.,0.,0., 0, "ONLY");
196// gMC->Gspos("PM05", 1, "DPMD", 0.,0.,0., 0, "ONLY");
197// gMC->Gspos("PM06", 1, "DPMD", 0.,0.,0., 0, "ONLY");
198// gMC->Gspos("PM07", 1, "DPMD", 0.,0.,0., 0, "ONLY");
199// gMC->Gspos("PM08", 1, "DPMD", 0.,0.,0., 0, "ONLY");
200// gMC->Gspos("PM09", 1, "DPMD", 0.,0.,0., 0, "ONLY");
201// gMC->Gspos("PM10", 1, "DPMD", 0.,0.,0., 0, "ONLY");
202// gMC->Gspos("PM11", 1, "DPMD", 0.,0.,0., 0, "ONLY");
203// gMC->Gspos("PM12", 1, "DPMD", 0.,0.,0., 0, "ONLY");
204// gMC->Gspos("PM13", 1, "DPMD", 0.,0.,0., 0, "ONLY");
205// gMC->Gspos("PM14", 1, "DPMD", 0.,0.,0., 0, "ONLY");
6edc06da 206// --- Place the DPMD in ALICE with front edge 5.8m from vertex ---
207 xp = 0.;
208 yp = 0.;
209 zp = zdist1;
cfce8870 210// gMC->Gspos("PMDL", 1, "DPMD", xp,yp,0., 0, "ONLY");
211// gMC->Gspos("PMDR", 1, "DPMD", xp,yp,0., 0, "ONLY");
212 gMC->Gspos("DPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY");
6edc06da 213
214}
215
216//_____________________________________________________________________________
217void AliPMDv1::CreatePads()
218{
219 //
220 // Create the geometry of the pads
221 // *** DEFINITION OF THE GEOMETRY OF THE PMD ***
222 // *** HEXAGONAL PADS WITH 10 MM SQUARE EQUIVALENT
223 // -- Author : S. Chattopadhyay, 02/04/1999.
224
225// Basic unit is DP11, a hexagonal cell, which is placed inside another
226// hexagonal cell (DS11) of larger radius, compared to DP11. The difference in r// adius gives the dimension of half width of each cell wall.
227// These cells are placed as 72 x 72 array in a
228// rhombus shaped supermodule (DW11). The rhombus shaped modules are designed
229// to have closed packed structure.
230// Each supermodule (SUPR), made of G10 is filled with following components
231// SMSS --> SS backing,
232// SMAR --> Gap between gas hexagonal cells and G10 backing.
233// DW11 --> Ar-Co2 filled gas hexagonal cells.
234// SMAR
235// These supermodules are placed inside the main module (DM11), with Fe and
236// Pb converter positioned between CPV and PMD.
237// DM11 made of
238// SUPR (rotated to place steel on the other side), this works as preshower
239// when PMD is placed in -ve z.
240// SUPB --> Pb converter
241// SUFE --> Fe backing
242// SUPR --> supermodule without rotation (this acts as CPV).
243//
244
6edc06da 245 const Int_t npad2 = 72;
246 Float_t hexd1[10] = {0.,360.,6,2,-0.4,0.,0.53,0.4,0.,0.53};
247//total wall thickness=0.2*2
248 Float_t hexd2[10] = {0.,360.,6,2,-0.4,0.,0.51,0.4,0.,0.51};
249 Int_t i, j;
250 Float_t xb, yb, zb;//, sw[3];
251 Int_t number;
252 Int_t ihrotm,irotdm;
b7f65909 253 const Float_t root3_cons = TMath::Sqrt(3.) /2.;
ad51aeb0 254 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 255
256 AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
257 AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
258 zdist1 = fIn[2];
259 zdist = TMath::Abs(zdist1);
260//
261 Int_t xrow=1;
262 Float_t dpara[6] = {12.5,12.5,0.4,30.,0.,0.};
263 dpara[0]=(npad2+0.25)*hexd1[6];
264 dpara[1] = dpara[0] *root3_cons;
265//
266//Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu
267// rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension
268//(1mm tolerance on both side and 5mm thick G10 wall)
269//
270
271// **** PAD SIZE 10 MM SQUARE EQUIVALENT
272//
273// Inner hex filled with gas
cfce8870 274 gMC->Gsvolu("DP11", "PGON", idtmed[604], hexd2,10);
275 gMC->Gsatt("DP11", "SEEN", 1);
6edc06da 276
277// Outer hex filled with Plastic
cfce8870 278//plastic gMC->Gsvolu("DS11", "PGON", idtmed[616], hexd1,10);
6edc06da 279// Iron
cfce8870 280 gMC->Gsvolu("DS11", "PGON", idtmed[601], hexd1,10);
281 gMC->Gsatt("DS11", "SEEN", 1);
6edc06da 282// --- place inner hex inside outer hex
cfce8870 283 gMC->Gsposp("DP11", 1, "DS11", 0., 0., 0., 0, "ONLY", hexd2, 10);
6edc06da 284// Rhombus shaped supermodules (defined by PARA)
285// volume for SUPERMODULE
286 Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.};
287 dpara_sm[0]=(npad2+0.25)*hexd1[6] + 1.2;
288 dpara_sm[1] = dpara_sm[0] *root3_cons;
289//
cfce8870 290 gMC->Gsvolu("SUPR","PARA", idtmed[607], dpara_sm, 6);
291 gMC->Gsatt("SUPR", "SEEN", 1);
6edc06da 292// SS
293 Float_t dpara_ss[6] = {12.5,12.5,8.,30.,0.,0.};
294 dpara_ss[0]= dpara[0];
295 dpara_ss[1]= dpara[1];
296 dpara_ss[2]= 0.3/2.;
297//
cfce8870 298 gMC->Gsvolu("SMSS","PARA", idtmed[601], dpara_ss, 6);
299 gMC->Gsatt("SMSS", "SEEN", 1);
6edc06da 300// Air
301 Float_t dpara_air[6] = {12.5,12.5,8.,30.,0.,0.};
302 dpara_air[0]= dpara[0] - 0.5;
303 dpara_air[1]= dpara_air[0] * root3_cons;
304 dpara_air[2]= 0.1/2.;
cfce8870 305// gMC->Gsvolu("SMAR","PARA", idtmed[604], dpara_air, 6);
306 gMC->Gsvolu("SMAR","PARA", idtmed[698], dpara_air, 6);
307 gMC->Gsatt("SMAR", "SEEN", 1);
6edc06da 308//
309// volume for gas chamber (DW11)
310//
cfce8870 311// gMC->Gsvolu("DW11","PARA", idtmed[604], dpara, 6);
312 gMC->Gsvolu("DW11","PARA", idtmed[698], dpara, 6);
313 gMC->Gsatt("DW11", "SEEN", 1);
6edc06da 314// Place outer hex inside DW11
315 yb = -dpara[1] + (1./root3_cons)*hexd1[6];
316 zb = 0.;
317 for (j = 1; j <= npad2; ++j) {
318 xb =-(dpara[0] + dpara[1]*0.577) + 2*hexd1[6];
319 if(xrow >= 2){
320 xb = xb+(xrow-1)*hexd1[6];
321 }
322 for (i = 1; i <= npad2; ++i) {
323 number = i+(j-1)*npad2;
cfce8870 324 gMC->Gsposp("DS11", number, "DW11", xb, yb, zb, ihrotm, "ONLY", hexd1, 10);
6edc06da 325 xb += (hexd1[6]*2.);
326 }
327 xrow = xrow+1;
b7f65909 328 yb += (hexd1[6]*TMath::Sqrt(3.));
6edc06da 329 }
330 Float_t z_ss,z_air1,z_air2,z_gas;
331// Place other components inside super module
332 z_ss=-dpara_sm[2]+dpara_ss[2];
cfce8870 333 gMC->Gspos("SMSS", 1, "SUPR", 0., 0., z_ss, 0, "ONLY");
6edc06da 334 z_air1=z_ss+dpara_ss[2] +dpara_air[2];
cfce8870 335 gMC->Gspos("SMAR", 1, "SUPR", 0., 0., z_air1, 0, "ONLY");
6edc06da 336 z_gas=z_air1+dpara_air[2]+dpara[2]+0.1;
cfce8870 337 gMC->Gspos("DW11", 1, "SUPR", 0., 0., z_gas, 0, "ONLY");
6edc06da 338 z_air2=z_gas+dpara[2]+0.1+dpara_air[2];
cfce8870 339 gMC->Gspos("SMAR", 2, "SUPR", 0., 0., z_air2, 0, "ONLY");
6edc06da 340
341// --- DEFINE MODules, iron, and lead voLUMES
342
343
344// volume for SUPERMODULE
345// Pb
346 Float_t dpara_pb[6] = {12.5,12.5,8.,30.,0.,0.};
347 dpara_pb[0]=dpara_sm[0];
348 dpara_pb[1]=dpara_sm[1];
349// dpara_pb[2]=1.1/2.;
350 dpara_pb[2]=1.5/2.;
cfce8870 351 gMC->Gsvolu("SUPB","PARA", idtmed[600], dpara_pb, 6);
352 gMC->Gsatt("SUPB", "SEEN", 1);
6edc06da 353// Fe
354 Float_t dpara_fe[6] = {12.5,12.5,8.,30.,0.,0.};
355 dpara_fe[0]=dpara_sm[0];
356 dpara_fe[1]=dpara_sm[1];
357 dpara_fe[2]=0.5/2.;
cfce8870 358 gMC->Gsvolu("SUFE","PARA", idtmed[601], dpara_fe, 6);
359 gMC->Gsatt("SUFE", "SEEN", 1);
6edc06da 360// volume for DM11
361 Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.};
362 dpara_dm11[0]=dpara_sm[0]+.01;
363 dpara_dm11[1] = dpara_dm11[0] *root3_cons;
364 dpara_dm11[2]= 6.2/2.;
365
366//
cfce8870 367 gMC->Gsvolu("DM11","PARA", idtmed[698], dpara_dm11, 6);
368 gMC->Gsatt("DM11", "SEEN", 1);
6edc06da 369// position super module inside DM11
370 Float_t z_ps,z_pb,z_fe,z_cv;
371 z_ps=-dpara_dm11[2]+dpara_sm[2];
cfce8870 372 gMC->Gspos("SUPR", 1, "DM11", 0., 0., z_ps, irotdm, "ONLY");
6edc06da 373 z_pb=z_ps+dpara_sm[2]+dpara_pb[2];
cfce8870 374 gMC->Gspos("SUPB", 1, "DM11", 0., 0., z_pb, 0, "ONLY");
6edc06da 375 z_fe=z_pb+dpara_pb[2]+dpara_fe[2];
cfce8870 376 gMC->Gspos("SUFE", 1, "DM11", 0., 0., z_fe, 0, "ONLY");
6edc06da 377 z_cv=z_fe+dpara_fe[2]+dpara_sm[2];
cfce8870 378 gMC->Gspos("SUPR", 2, "DM11", 0., 0., z_cv, 0, "ONLY");
6edc06da 379//
380}
381
382//_____________________________________________________________________________
383void AliPMDv1::DrawModule()
384{
385 //
386 // Draw a shaded view of the Photon Multiplicity Detector
387 //
388
cfce8870 389 gMC->Gsatt("*", "seen", -1);
390 gMC->Gsatt("alic", "seen", 0);
6edc06da 391 //
392 // Set the visibility of the components
393 //
cfce8870 394 gMC->Gsatt("DP11","seen",0);
395 gMC->Gsatt("DS11","seen",1);
396 gMC->Gsatt("DW11","seen",0);
397 gMC->Gsatt("DM11","seen",1);
398 gMC->Gsatt("DPMD","seen",0);
6edc06da 399 //
cfce8870 400 gMC->Gdopt("hide", "on");
401 gMC->Gdopt("shad", "on");
402 gMC->Gsatt("*", "fill", 7);
403 gMC->SetClipBox(".");
404 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
405 gMC->DefaultRange();
406 gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02);
407 gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
408 //gMC->Gdman(17, 5, "MAN");
409 gMC->Gdopt("hide", "off");
6edc06da 410}
411
412//_____________________________________________________________________________
413void AliPMDv1::CreateMaterials()
414{
415 //
416 // Create materials for the PMD version 1
417 //
418 // ORIGIN : Y. P. VIYOGI
419 //
420
6edc06da 421 // --- The Argon- CO2 mixture ---
422 Float_t ag[2] = { 39.95 };
423 Float_t zg[2] = { 18. };
424 Float_t wg[2] = { .8,.2 };
425 Float_t dar = .001782; // --- Ar density in g/cm3 ---
426 // --- CO2 ---
427 Float_t ac[2] = { 12.,16. };
428 Float_t zc[2] = { 6.,8. };
429 Float_t wc[2] = { 1.,2. };
430 Float_t dc = .001977;
431 Float_t dco = .002; // --- CO2 density in g/cm3 ---
432
433 Float_t absl, radl, a, d, z;
434 Float_t dg;
435 Float_t x0ar;
436 Float_t buf[1];
437 Int_t nbuf;
438 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
439 Float_t zsteel[4] = { 26.,24.,28.,14. };
440 Float_t wsteel[4] = { .715,.18,.1,.005 };
441
ad51aeb0 442 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 443 Int_t isxfld = gAlice->Field()->Integ();
444 Float_t sxmgmx = gAlice->Field()->Max();
445
446 // --- Define the various materials for GEANT ---
447 AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
448 x0ar = 19.55 / dar;
449 AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
450 AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
451 AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
452 AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
453 AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
454 AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.);
455 AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
456 AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
457 AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
458 AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
459 AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.);
460
461 AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
462 AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
463 AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
464 AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
465 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
466 // define gas-mixtures
467
468 char namate[21];
cfce8870 469 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
6edc06da 470 ag[1] = a;
471 zg[1] = z;
472 dg = (dar * 4 + dco) / 5;
473 AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
474
475 // Define tracking media
ad51aeb0 476 AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
477 AliMedium(2, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
478 AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
479 AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
480 AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
481 AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
482 AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
483 AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
484 AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
485 AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
486 AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
487 AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
488 AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
489 AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
6edc06da 490
491 // --- Generate explicitly delta rays in the iron, aluminium and lead ---
cfce8870 492 gMC->Gstpar(idtmed[600], "LOSS", 3.);
493 gMC->Gstpar(idtmed[600], "DRAY", 1.);
6edc06da 494
cfce8870 495 gMC->Gstpar(idtmed[603], "LOSS", 3.);
496 gMC->Gstpar(idtmed[603], "DRAY", 1.);
6edc06da 497
cfce8870 498 gMC->Gstpar(idtmed[604], "LOSS", 3.);
499 gMC->Gstpar(idtmed[604], "DRAY", 1.);
6edc06da 500
cfce8870 501 gMC->Gstpar(idtmed[605], "LOSS", 3.);
502 gMC->Gstpar(idtmed[605], "DRAY", 1.);
6edc06da 503
cfce8870 504 gMC->Gstpar(idtmed[606], "LOSS", 3.);
505 gMC->Gstpar(idtmed[606], "DRAY", 1.);
6edc06da 506
cfce8870 507 gMC->Gstpar(idtmed[607], "LOSS", 3.);
508 gMC->Gstpar(idtmed[607], "DRAY", 1.);
6edc06da 509
510 // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
511 // --- without affecting the hit patterns ---
cfce8870 512 gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
513 gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
514 gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
515 gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
516 gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
517 gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
518 gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
519 gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
520 gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
521 gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
522 gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
523 gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
524 gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
525 gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
526 gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
527 gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
528 gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
529 gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
530 gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
531 gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
6edc06da 532
533 // --- Prevent particles stopping in the gas due to energy cut-off ---
cfce8870 534 gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
535 gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
536 gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
537 gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
538 gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
6edc06da 539}
540
541//_____________________________________________________________________________
542void AliPMDv1::Init()
543{
544 //
545 // Initialises PMD detector after it has been built
546 //
547 Int_t i;
548 kdet=1;
549 //
550 printf("\n");
551 for(i=0;i<35;i++) printf("*");
552 printf(" PMD_INIT ");
553 for(i=0;i<35;i++) printf("*");
554 printf("\n");
555 printf(" PMD simulation package (v1) initialised\n");
556 printf(" parameters of pmd\n");
557 printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh);
558 //
559 for(i=0;i<80;i++) printf("*");
560 printf("\n");
561 //
ad51aeb0 562 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 563 fMedSens=idtmed[605-1];
564}
565
566//_____________________________________________________________________________
567void AliPMDv1::StepManager()
568{
569 //
570 // Called at each step in the PMD
571 //
572 Int_t copy;
573 Float_t hits[4], destep;
574 Float_t center[3] = {0,0,0};
575 Int_t vol[5];
0a6d8768 576 // char *namep;
6edc06da 577
cfce8870 578 if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
6edc06da 579
0a6d8768 580 gMC->CurrentVolID(copy);
581// namep=gMC->CurrentVolName();
582// printf("Current vol is %s \n",namep);
6edc06da 583 vol[0]=copy;
0a6d8768 584 gMC->CurrentVolOffID(1,copy);
585// namep=gMC->CurrentVolOffName(1);
586// printf("Current vol 11 is %s \n",namep);
6edc06da 587 vol[1]=copy;
0a6d8768 588 gMC->CurrentVolOffID(2,copy);
589// namep=gMC->CurrentVolOffName(2);
590// printf("Current vol 22 is %s \n",namep);
6edc06da 591 vol[2]=copy;
592// if(strncmp(namep,"DW11",4))vol[2]=1;
0a6d8768 593 gMC->CurrentVolOffID(3,copy);
594// namep=gMC->CurrentVolOffName(3);
595// printf("Current vol 33 is %s \n",namep);
6edc06da 596 vol[3]=copy;
0a6d8768 597 gMC->CurrentVolOffID(4,copy);
598// namep=gMC->CurrentVolOffName(4);
599// printf("Current vol 44 is %s \n",namep);
6edc06da 600 vol[4]=copy;
601// printf("volume number %d,%d,%d,%d,%d \n",vol[0],vol[1],vol[2],vol[3],vol[4]);
cfce8870 602 gMC->Gdtom(center,hits,1);
6edc06da 603 hits[3] = destep*1e9; //Number in eV
604 AddHit(gAlice->CurrentTrack(), vol, hits);
605 }
606}
607
608