Use gMC and not pMC everywhere
[u/mrichter/AliRoot.git] / PMD / AliPMDv1.cxx
CommitLineData
6edc06da 1///////////////////////////////////////////////////////////////////////////////
2// //
3// Photon Multiplicity Detector Version 1 //
4// //
5//Begin_Html
6/*
1439f98e 7<img src="picts/AliPMDv1Class.gif">
6edc06da 8*/
9//End_Html
10// //
11///////////////////////////////////////////////////////////////////////////////
12
13#include "AliPMDv1.h"
14#include "AliRun.h"
15#include "AliMC.h"
16#include "AliConst.h"
17
18static Int_t maxbox, kdet;
19static Float_t thmin,thmax,zdist,zdist1,thlow,thhigh;
20
21ClassImp(AliPMDv1)
22
23//_____________________________________________________________________________
24AliPMDv1::AliPMDv1()
25{
26 //
27 // Default constructor
28 //
29 fMedSens=0;
30}
31
32//_____________________________________________________________________________
33AliPMDv1::AliPMDv1(const char *name, const char *title)
34 : AliPMD(name,title)
35{
36 //
37 // Standard constructor
38 //
39 fMedSens=0;
40}
41//_____________________________________________________________________________
42void AliPMDv1::CreateGeometry()
43{
44 //
45 // Create geometry for Photon Multiplicity Detector Version 1
46 //
47 //Begin_Html
48 /*
1439f98e 49 <img src="picts/AliPMDv1.gif">
6edc06da 50 */
51 //End_Html
52 //Begin_Html
53 /*
1439f98e 54 <img src="picts/AliPMDv1Tree.gif">
6edc06da 55 */
56 //End_Html
57 CreatePads();
58 CreateInside();
59}
60
61//_____________________________________________________________________________
62void AliPMDv1::CreateInside()
63{
64 //
65 // Create inside of Pads
66 //
67 // -- Author : Y.P. VIYOGI, 07/05/1996.
68 // -- Modified: P.V.K.S.Baba(JU), 15-12-97.
69// Sipmd, the dimension of TUBE mother volume of PMD, other dimensions
70// like sip01.. are to place more tubes in the volume at different eta bins.
71 Float_t sipmd[3] = { 40.,270.,15.};
72 Float_t sip01[3] = { 10.,57.89,25.};
73 Float_t sip02[3] = { 10.,64.03,25.};
74 Float_t sip03[3] = { 10.,70.80,25.};
75 Float_t sip04[3] = { 10.,78.32,25.};
76 Float_t sip05[3] = { 10.,86.68,25.};
77 Float_t sip06[3] = { 10.,95.91,25.};
78 Float_t sip07[3] = { 10.,106.14,25.};
79 Float_t sip08[3] = { 10.,117.48,25.};
80 Float_t sip09[3] = { 10.,130.18,25.};
81 Float_t sip10[3] = { 10.,144.18,25.};
82 Float_t sip11[3] = { 10.,159.87,25.};
83 Float_t sip12[3] = { 10.,177.43,25.};
84 Float_t sip13[3] = { 10.,197.11,25.};
85 Float_t sip14[3] = { 10.,219.28,25.};
86 Float_t sipmdl[5] = { 10.,310.,25.,90.,270. };
87 Float_t sipmdr[5] = { 10.,310.,25.,270.,90. };
88
89 const Float_t root3_4 = sqrt(3)/4.;
90 const Float_t root3_2 = sqrt(3)/2.;
91 // Float_t xiqa[4], yiqa[4];
92 Int_t i;
93 // Float_t siqad[4];
94 Float_t xp, yp, zp;
95 // Int_t idrotm[100];
96 Int_t num_mod;
97 Int_t jhrotc,jhrotac;
98 Int_t jhrotd;
99// const Float_t delx=78.8;
100 const Float_t delx=76.75;
101 // const Float_t dely=delx*root3_2;
102// const Float_t delz=1.6/2.;
103 AliMatrix(jhrotc, 90., 30., 90., 120., 0., 0.);
104 AliMatrix(jhrotac, 90., 330., 90., 240., 0., 0.);
105 AliMatrix(jhrotd, 90., 90., 90., 180., 90., 0.);
106 Float_t x1= delx*root3_4;
107 Float_t x2= delx*root3_4 + delx*root3_2;
108 Float_t x3= delx*root3_4 + 2*delx*root3_2;
109 Float_t xpos[13]={-x1,-x1,-x1,-x1,-x2,-x2,-x2,-x2,-x2,-x3,-x3,-x3,-x3};
110 Float_t x4=delx/4.;
111 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};
112// 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 113 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 114
115 // VOLUMES Names : begining with D for all PMD volumes,
116 // The names of SIZE variables begin with S and have more meaningful
117 // characters as shown below.
118
119 // VOLUME SIZE MEDIUM : REMARKS
120 // ------ ----- ------ : ---------------------------
121
122 // DPMD SIPMD AIR : INSIDE PMD and its SIZE
123
124
125
126 // *** Define the DPMD Volume and fill with air ***
127
cfce8870 128 gMC->Gsvolu("DPMD", "TUBE", idtmed[698], sipmd, 3);
129 gMC->Gsvolu("PM01", "TUBE", idtmed[698], sip01, 3);
130 gMC->Gsvolu("PM02", "TUBE", idtmed[698], sip02, 3);
131 gMC->Gsvolu("PM03", "TUBE", idtmed[698], sip03, 3);
132 gMC->Gsvolu("PM04", "TUBE", idtmed[698], sip04, 3);
133 gMC->Gsvolu("PM05", "TUBE", idtmed[698], sip05, 3);
134 gMC->Gsvolu("PM06", "TUBE", idtmed[698], sip06, 3);
135 gMC->Gsvolu("PM07", "TUBE", idtmed[698], sip07, 3);
136 gMC->Gsvolu("PM08", "TUBE", idtmed[698], sip08, 3);
137 gMC->Gsvolu("PM09", "TUBE", idtmed[698], sip09, 3);
138 gMC->Gsvolu("PM10", "TUBE", idtmed[698], sip10, 3);
139 gMC->Gsvolu("PM11", "TUBE", idtmed[698], sip11, 3);
140 gMC->Gsvolu("PM12", "TUBE", idtmed[698], sip12, 3);
141 gMC->Gsvolu("PM13", "TUBE", idtmed[698], sip13, 3);
142 gMC->Gsvolu("PM14", "TUBE", idtmed[698], sip14, 3);
143 gMC->Gsvolu("PMDL", "TUBS", idtmed[698], sipmdl, 5);
144 gMC->Gsvolu("PMDR", "TUBS", idtmed[698], sipmdr, 5);
6edc06da 145//
146 const Int_t npad2=72;
147 Float_t hexd1[10] = {0.,360.,6,2,-0.4,0.,0.53,0.4,0.,0.53};
148 Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.};
149 dpara_sm[0]=(npad2+0.25)*hexd1[6] + 1.2;
150 dpara_sm[1] = dpara_sm[0] *root3_2;
151 Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.};
152 dpara_dm11[0]=dpara_sm[0]+.01;
153 dpara_dm11[1] = dpara_dm11[0] *root3_2;
154 dpara_dm11[2]= 6.2/2.;
155//
156 for (i = 0; i < 2; ++i) {
157 num_mod=i+1;
cfce8870 158 gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6);
159 gMC->Gsposp("DM11", num_mod+13, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6);
6edc06da 160 printf("Num_mod %d\n",num_mod);
161 }
162 maxbox=13;
163 for (i = 2; i < maxbox; ++i) {
164 num_mod=i+1;
cfce8870 165 gMC->Gsposp("DM11", num_mod, "DPMD", xpos[i],ypos[i],0., jhrotc, "ONLY", dpara_dm11, 6);
166 gMC->Gsposp("DM11", num_mod+13, "DPMD", TMath::Abs(xpos[i]),ypos[i],0., jhrotac, "ONLY", dpara_dm11, 6);
6edc06da 167 printf("Num_mod %d\n",num_mod);
168 }
cfce8870 169// gMC->Gspos("PM01", 1, "DPMD", 0.,0.,0., 0, "ONLY");
170// gMC->Gspos("PM02", 1, "DPMD", 0.,0.,0., 0, "ONLY");
171// gMC->Gspos("PM03", 1, "DPMD", 0.,0.,0., 0, "ONLY");
172// gMC->Gspos("PM04", 1, "DPMD", 0.,0.,0., 0, "ONLY");
173// gMC->Gspos("PM05", 1, "DPMD", 0.,0.,0., 0, "ONLY");
174// gMC->Gspos("PM06", 1, "DPMD", 0.,0.,0., 0, "ONLY");
175// gMC->Gspos("PM07", 1, "DPMD", 0.,0.,0., 0, "ONLY");
176// gMC->Gspos("PM08", 1, "DPMD", 0.,0.,0., 0, "ONLY");
177// gMC->Gspos("PM09", 1, "DPMD", 0.,0.,0., 0, "ONLY");
178// gMC->Gspos("PM10", 1, "DPMD", 0.,0.,0., 0, "ONLY");
179// gMC->Gspos("PM11", 1, "DPMD", 0.,0.,0., 0, "ONLY");
180// gMC->Gspos("PM12", 1, "DPMD", 0.,0.,0., 0, "ONLY");
181// gMC->Gspos("PM13", 1, "DPMD", 0.,0.,0., 0, "ONLY");
182// gMC->Gspos("PM14", 1, "DPMD", 0.,0.,0., 0, "ONLY");
6edc06da 183// --- Place the DPMD in ALICE with front edge 5.8m from vertex ---
184 xp = 0.;
185 yp = 0.;
186 zp = zdist1;
cfce8870 187// gMC->Gspos("PMDL", 1, "DPMD", xp,yp,0., 0, "ONLY");
188// gMC->Gspos("PMDR", 1, "DPMD", xp,yp,0., 0, "ONLY");
189 gMC->Gspos("DPMD", 1, "ALIC", xp,yp,zp, 0, "ONLY");
6edc06da 190
191}
192
193//_____________________________________________________________________________
194void AliPMDv1::CreatePads()
195{
196 //
197 // Create the geometry of the pads
198 // *** DEFINITION OF THE GEOMETRY OF THE PMD ***
199 // *** HEXAGONAL PADS WITH 10 MM SQUARE EQUIVALENT
200 // -- Author : S. Chattopadhyay, 02/04/1999.
201
202// Basic unit is DP11, a hexagonal cell, which is placed inside another
203// hexagonal cell (DS11) of larger radius, compared to DP11. The difference in r// adius gives the dimension of half width of each cell wall.
204// These cells are placed as 72 x 72 array in a
205// rhombus shaped supermodule (DW11). The rhombus shaped modules are designed
206// to have closed packed structure.
207// Each supermodule (SUPR), made of G10 is filled with following components
208// SMSS --> SS backing,
209// SMAR --> Gap between gas hexagonal cells and G10 backing.
210// DW11 --> Ar-Co2 filled gas hexagonal cells.
211// SMAR
212// These supermodules are placed inside the main module (DM11), with Fe and
213// Pb converter positioned between CPV and PMD.
214// DM11 made of
215// SUPR (rotated to place steel on the other side), this works as preshower
216// when PMD is placed in -ve z.
217// SUPB --> Pb converter
218// SUFE --> Fe backing
219// SUPR --> supermodule without rotation (this acts as CPV).
220//
221
6edc06da 222 const Int_t npad2 = 72;
223 Float_t hexd1[10] = {0.,360.,6,2,-0.4,0.,0.53,0.4,0.,0.53};
224//total wall thickness=0.2*2
225 Float_t hexd2[10] = {0.,360.,6,2,-0.4,0.,0.51,0.4,0.,0.51};
226 Int_t i, j;
227 Float_t xb, yb, zb;//, sw[3];
228 Int_t number;
229 Int_t ihrotm,irotdm;
230 const Float_t root3_cons = sqrt(3) /2.;
ad51aeb0 231 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 232
233 AliMatrix(ihrotm, 90., 30., 90., 120., 0., 0.);
234 AliMatrix(irotdm, 90., 180., 90., 270., 180., 0.);
235 zdist1 = fIn[2];
236 zdist = TMath::Abs(zdist1);
237//
238 Int_t xrow=1;
239 Float_t dpara[6] = {12.5,12.5,0.4,30.,0.,0.};
240 dpara[0]=(npad2+0.25)*hexd1[6];
241 dpara[1] = dpara[0] *root3_cons;
242//
243//Subhasis, dimensional parameters of rhombus (dpara) as given to gsvolu
244// rhombus to accomodate 72 x 72 hexagons, and with total 1.2cm extension
245//(1mm tolerance on both side and 5mm thick G10 wall)
246//
247
248// **** PAD SIZE 10 MM SQUARE EQUIVALENT
249//
250// Inner hex filled with gas
cfce8870 251 gMC->Gsvolu("DP11", "PGON", idtmed[604], hexd2,10);
252 gMC->Gsatt("DP11", "SEEN", 1);
6edc06da 253
254// Outer hex filled with Plastic
cfce8870 255//plastic gMC->Gsvolu("DS11", "PGON", idtmed[616], hexd1,10);
6edc06da 256// Iron
cfce8870 257 gMC->Gsvolu("DS11", "PGON", idtmed[601], hexd1,10);
258 gMC->Gsatt("DS11", "SEEN", 1);
6edc06da 259// --- place inner hex inside outer hex
cfce8870 260 gMC->Gsposp("DP11", 1, "DS11", 0., 0., 0., 0, "ONLY", hexd2, 10);
6edc06da 261// Rhombus shaped supermodules (defined by PARA)
262// volume for SUPERMODULE
263 Float_t dpara_sm[6] = {12.5,12.5,0.8,30.,0.,0.};
264 dpara_sm[0]=(npad2+0.25)*hexd1[6] + 1.2;
265 dpara_sm[1] = dpara_sm[0] *root3_cons;
266//
cfce8870 267 gMC->Gsvolu("SUPR","PARA", idtmed[607], dpara_sm, 6);
268 gMC->Gsatt("SUPR", "SEEN", 1);
6edc06da 269// SS
270 Float_t dpara_ss[6] = {12.5,12.5,8.,30.,0.,0.};
271 dpara_ss[0]= dpara[0];
272 dpara_ss[1]= dpara[1];
273 dpara_ss[2]= 0.3/2.;
274//
cfce8870 275 gMC->Gsvolu("SMSS","PARA", idtmed[601], dpara_ss, 6);
276 gMC->Gsatt("SMSS", "SEEN", 1);
6edc06da 277// Air
278 Float_t dpara_air[6] = {12.5,12.5,8.,30.,0.,0.};
279 dpara_air[0]= dpara[0] - 0.5;
280 dpara_air[1]= dpara_air[0] * root3_cons;
281 dpara_air[2]= 0.1/2.;
cfce8870 282// gMC->Gsvolu("SMAR","PARA", idtmed[604], dpara_air, 6);
283 gMC->Gsvolu("SMAR","PARA", idtmed[698], dpara_air, 6);
284 gMC->Gsatt("SMAR", "SEEN", 1);
6edc06da 285//
286// volume for gas chamber (DW11)
287//
cfce8870 288// gMC->Gsvolu("DW11","PARA", idtmed[604], dpara, 6);
289 gMC->Gsvolu("DW11","PARA", idtmed[698], dpara, 6);
290 gMC->Gsatt("DW11", "SEEN", 1);
6edc06da 291// Place outer hex inside DW11
292 yb = -dpara[1] + (1./root3_cons)*hexd1[6];
293 zb = 0.;
294 for (j = 1; j <= npad2; ++j) {
295 xb =-(dpara[0] + dpara[1]*0.577) + 2*hexd1[6];
296 if(xrow >= 2){
297 xb = xb+(xrow-1)*hexd1[6];
298 }
299 for (i = 1; i <= npad2; ++i) {
300 number = i+(j-1)*npad2;
cfce8870 301 gMC->Gsposp("DS11", number, "DW11", xb, yb, zb, ihrotm, "ONLY", hexd1, 10);
6edc06da 302 xb += (hexd1[6]*2.);
303 }
304 xrow = xrow+1;
305 yb += (hexd1[6]*sqrt(3.));
306 }
307 Float_t z_ss,z_air1,z_air2,z_gas;
308// Place other components inside super module
309 z_ss=-dpara_sm[2]+dpara_ss[2];
cfce8870 310 gMC->Gspos("SMSS", 1, "SUPR", 0., 0., z_ss, 0, "ONLY");
6edc06da 311 z_air1=z_ss+dpara_ss[2] +dpara_air[2];
cfce8870 312 gMC->Gspos("SMAR", 1, "SUPR", 0., 0., z_air1, 0, "ONLY");
6edc06da 313 z_gas=z_air1+dpara_air[2]+dpara[2]+0.1;
cfce8870 314 gMC->Gspos("DW11", 1, "SUPR", 0., 0., z_gas, 0, "ONLY");
6edc06da 315 z_air2=z_gas+dpara[2]+0.1+dpara_air[2];
cfce8870 316 gMC->Gspos("SMAR", 2, "SUPR", 0., 0., z_air2, 0, "ONLY");
6edc06da 317
318// --- DEFINE MODules, iron, and lead voLUMES
319
320
321// volume for SUPERMODULE
322// Pb
323 Float_t dpara_pb[6] = {12.5,12.5,8.,30.,0.,0.};
324 dpara_pb[0]=dpara_sm[0];
325 dpara_pb[1]=dpara_sm[1];
326// dpara_pb[2]=1.1/2.;
327 dpara_pb[2]=1.5/2.;
cfce8870 328 gMC->Gsvolu("SUPB","PARA", idtmed[600], dpara_pb, 6);
329 gMC->Gsatt("SUPB", "SEEN", 1);
6edc06da 330// Fe
331 Float_t dpara_fe[6] = {12.5,12.5,8.,30.,0.,0.};
332 dpara_fe[0]=dpara_sm[0];
333 dpara_fe[1]=dpara_sm[1];
334 dpara_fe[2]=0.5/2.;
cfce8870 335 gMC->Gsvolu("SUFE","PARA", idtmed[601], dpara_fe, 6);
336 gMC->Gsatt("SUFE", "SEEN", 1);
6edc06da 337// volume for DM11
338 Float_t dpara_dm11[6] = {12.5,12.5,0.8,30.,0.,0.};
339 dpara_dm11[0]=dpara_sm[0]+.01;
340 dpara_dm11[1] = dpara_dm11[0] *root3_cons;
341 dpara_dm11[2]= 6.2/2.;
342
343//
cfce8870 344 gMC->Gsvolu("DM11","PARA", idtmed[698], dpara_dm11, 6);
345 gMC->Gsatt("DM11", "SEEN", 1);
6edc06da 346// position super module inside DM11
347 Float_t z_ps,z_pb,z_fe,z_cv;
348 z_ps=-dpara_dm11[2]+dpara_sm[2];
cfce8870 349 gMC->Gspos("SUPR", 1, "DM11", 0., 0., z_ps, irotdm, "ONLY");
6edc06da 350 z_pb=z_ps+dpara_sm[2]+dpara_pb[2];
cfce8870 351 gMC->Gspos("SUPB", 1, "DM11", 0., 0., z_pb, 0, "ONLY");
6edc06da 352 z_fe=z_pb+dpara_pb[2]+dpara_fe[2];
cfce8870 353 gMC->Gspos("SUFE", 1, "DM11", 0., 0., z_fe, 0, "ONLY");
6edc06da 354 z_cv=z_fe+dpara_fe[2]+dpara_sm[2];
cfce8870 355 gMC->Gspos("SUPR", 2, "DM11", 0., 0., z_cv, 0, "ONLY");
6edc06da 356//
357}
358
359//_____________________________________________________________________________
360void AliPMDv1::DrawModule()
361{
362 //
363 // Draw a shaded view of the Photon Multiplicity Detector
364 //
365
cfce8870 366 gMC->Gsatt("*", "seen", -1);
367 gMC->Gsatt("alic", "seen", 0);
6edc06da 368 //
369 // Set the visibility of the components
370 //
cfce8870 371 gMC->Gsatt("DP11","seen",0);
372 gMC->Gsatt("DS11","seen",1);
373 gMC->Gsatt("DW11","seen",0);
374 gMC->Gsatt("DM11","seen",1);
375 gMC->Gsatt("DPMD","seen",0);
6edc06da 376 //
cfce8870 377 gMC->Gdopt("hide", "on");
378 gMC->Gdopt("shad", "on");
379 gMC->Gsatt("*", "fill", 7);
380 gMC->SetClipBox(".");
381 gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000);
382 gMC->DefaultRange();
383 gMC->Gdraw("alic", 40, 30, 0, 22, 20.5, .02, .02);
384 gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1");
385 //gMC->Gdman(17, 5, "MAN");
386 gMC->Gdopt("hide", "off");
6edc06da 387}
388
389//_____________________________________________________________________________
390void AliPMDv1::CreateMaterials()
391{
392 //
393 // Create materials for the PMD version 1
394 //
395 // ORIGIN : Y. P. VIYOGI
396 //
397
6edc06da 398 // --- The Argon- CO2 mixture ---
399 Float_t ag[2] = { 39.95 };
400 Float_t zg[2] = { 18. };
401 Float_t wg[2] = { .8,.2 };
402 Float_t dar = .001782; // --- Ar density in g/cm3 ---
403 // --- CO2 ---
404 Float_t ac[2] = { 12.,16. };
405 Float_t zc[2] = { 6.,8. };
406 Float_t wc[2] = { 1.,2. };
407 Float_t dc = .001977;
408 Float_t dco = .002; // --- CO2 density in g/cm3 ---
409
410 Float_t absl, radl, a, d, z;
411 Float_t dg;
412 Float_t x0ar;
413 Float_t buf[1];
414 Int_t nbuf;
415 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
416 Float_t zsteel[4] = { 26.,24.,28.,14. };
417 Float_t wsteel[4] = { .715,.18,.1,.005 };
418
ad51aeb0 419 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 420 Int_t isxfld = gAlice->Field()->Integ();
421 Float_t sxmgmx = gAlice->Field()->Max();
422
423 // --- Define the various materials for GEANT ---
424 AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5);
425 x0ar = 19.55 / dar;
426 AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4);
427 AliMixture(3, "CO2 $", ac, zc, dc, -2, wc);
428 AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5);
429 AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5);
430 AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3);
431 AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999.);
432 AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.);
433 AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7);
434 AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.);
435 AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9);
436 AliMaterial(17, "POLYCARBONATE $", 20., 10., 1.2, 34.6, 999.);
437
438 AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.);
439 AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.);
440 AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16);
441 AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.);
442 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
443 // define gas-mixtures
444
445 char namate[21];
cfce8870 446 gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
6edc06da 447 ag[1] = a;
448 zg[1] = z;
449 dg = (dar * 4 + dco) / 5;
450 AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg);
451
452 // Define tracking media
ad51aeb0 453 AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
454 AliMedium(2, " S steel$", 19, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
455 AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
456 AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1);
457 AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
458 AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
459 AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
460 AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1);
461 AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
462 AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10);
463 AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1);
464 AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
465 AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
466 AliMedium(17, "PLOYCARB$", 17, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1);
6edc06da 467
468 // --- Generate explicitly delta rays in the iron, aluminium and lead ---
cfce8870 469 gMC->Gstpar(idtmed[600], "LOSS", 3.);
470 gMC->Gstpar(idtmed[600], "DRAY", 1.);
6edc06da 471
cfce8870 472 gMC->Gstpar(idtmed[603], "LOSS", 3.);
473 gMC->Gstpar(idtmed[603], "DRAY", 1.);
6edc06da 474
cfce8870 475 gMC->Gstpar(idtmed[604], "LOSS", 3.);
476 gMC->Gstpar(idtmed[604], "DRAY", 1.);
6edc06da 477
cfce8870 478 gMC->Gstpar(idtmed[605], "LOSS", 3.);
479 gMC->Gstpar(idtmed[605], "DRAY", 1.);
6edc06da 480
cfce8870 481 gMC->Gstpar(idtmed[606], "LOSS", 3.);
482 gMC->Gstpar(idtmed[606], "DRAY", 1.);
6edc06da 483
cfce8870 484 gMC->Gstpar(idtmed[607], "LOSS", 3.);
485 gMC->Gstpar(idtmed[607], "DRAY", 1.);
6edc06da 486
487 // --- Energy cut-offs in the Pb and Al to gain time in tracking ---
488 // --- without affecting the hit patterns ---
cfce8870 489 gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4);
490 gMC->Gstpar(idtmed[600], "CUTELE", 1e-4);
491 gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4);
492 gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4);
493 gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4);
494 gMC->Gstpar(idtmed[605], "CUTELE", 1e-4);
495 gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4);
496 gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4);
497 gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4);
498 gMC->Gstpar(idtmed[606], "CUTELE", 1e-4);
499 gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4);
500 gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4);
501 gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4);
502 gMC->Gstpar(idtmed[603], "CUTELE", 1e-4);
503 gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4);
504 gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4);
505 gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4);
506 gMC->Gstpar(idtmed[609], "CUTELE", 1e-4);
507 gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4);
508 gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4);
6edc06da 509
510 // --- Prevent particles stopping in the gas due to energy cut-off ---
cfce8870 511 gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5);
512 gMC->Gstpar(idtmed[604], "CUTELE", 1e-5);
513 gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5);
514 gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5);
515 gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5);
6edc06da 516}
517
518//_____________________________________________________________________________
519void AliPMDv1::Init()
520{
521 //
522 // Initialises PMD detector after it has been built
523 //
524 Int_t i;
525 kdet=1;
526 //
527 printf("\n");
528 for(i=0;i<35;i++) printf("*");
529 printf(" PMD_INIT ");
530 for(i=0;i<35;i++) printf("*");
531 printf("\n");
532 printf(" PMD simulation package (v1) initialised\n");
533 printf(" parameters of pmd\n");
534 printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh);
535 //
536 for(i=0;i<80;i++) printf("*");
537 printf("\n");
538 //
ad51aeb0 539 Int_t *idtmed = fIdtmed->GetArray()-599;
6edc06da 540 fMedSens=idtmed[605-1];
541}
542
543//_____________________________________________________________________________
544void AliPMDv1::StepManager()
545{
546 //
547 // Called at each step in the PMD
548 //
549 Int_t copy;
550 Float_t hits[4], destep;
551 Float_t center[3] = {0,0,0};
552 Int_t vol[5];
553 Text_t namep[5];
554
cfce8870 555 if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) {
6edc06da 556
cfce8870 557// gMC->CurrentVol(0, copy);
558 gMC->CurrentVol(namep, copy);
6edc06da 559// printf("Current vol is %s \n",namep);
560 vol[0]=copy;
cfce8870 561// gMC->CurrentVolOff(1,0,copy);
562 gMC->CurrentVolOff(1,namep,copy);
6edc06da 563// printf("Current vol 11 is %s \n",namep);
564 vol[1]=copy;
cfce8870 565// gMC->CurrentVolOff(2,0,copy);
566 gMC->CurrentVolOff(2,namep,copy);
6edc06da 567// printf("Current vol 22 is %s \n",namep);
568 vol[2]=copy;
569// if(strncmp(namep,"DW11",4))vol[2]=1;
cfce8870 570// gMC->CurrentVolOff(3,0,copy);
571 gMC->CurrentVolOff(3,namep,copy);
6edc06da 572// printf("Current vol 33 is %s \n",namep);
573 vol[3]=copy;
cfce8870 574 gMC->CurrentVolOff(4,namep,copy);
6edc06da 575// printf("Current vol 44 is %s \n",namep);
576 vol[4]=copy;
577// printf("volume number %d,%d,%d,%d,%d \n",vol[0],vol[1],vol[2],vol[3],vol[4]);
cfce8870 578 gMC->Gdtom(center,hits,1);
6edc06da 579 hits[3] = destep*1e9; //Number in eV
580 AddHit(gAlice->CurrentTrack(), vol, hits);
581 }
582}
583
584