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6edc06da | 1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // Photon Multiplicity Detector Version 1 // | |
4 | // // | |
5 | //Begin_Html | |
6 | /* | |
1439f98e | 7 | <img src="picts/AliPMDv2Class.gif"> |
6edc06da | 8 | */ |
9 | //End_Html | |
10 | // // | |
11 | /////////////////////////////////////////////////////////////////////////////// | |
12 | #include "AliPMDv2.h" | |
13 | #include "AliRun.h" | |
14 | #include "AliMC.h" | |
15 | #include "AliConst.h" | |
16 | ||
17 | static Float_t smod1[3], smod2[3], smod3[3], smod4[3]; | |
18 | static Int_t maxbox, kdet; | |
19 | static Float_t thgas,thcell,thmin,thmax,zdist,zdist1,thlow, | |
20 | thhigh,edge; | |
21 | static Int_t numqu; | |
22 | static Float_t xbox[40][40], ybox[40][40]; | |
23 | static Int_t pindex[40][40]; | |
24 | ||
25 | ClassImp(AliPMDv2) | |
26 | //_____________________________________________________________________________ | |
27 | AliPMDv2::AliPMDv2() : AliPMD() | |
28 | { | |
29 | // | |
30 | // Default constructor | |
31 | // | |
32 | fMedSens=0; | |
33 | } | |
34 | ||
35 | //_____________________________________________________________________________ | |
36 | AliPMDv2::AliPMDv2(const char *name, const char *title) | |
37 | : AliPMD(name,title) | |
38 | { | |
39 | // | |
40 | // Standard constructor | |
41 | // | |
42 | fMedSens=0; | |
43 | } | |
44 | ||
45 | //_____________________________________________________________________________ | |
46 | void AliPMDv2::Coordnew() | |
47 | { | |
48 | // | |
49 | // Find coordinates for pad geometry | |
50 | // | |
51 | // Author Y.P. Viyogi, VECC Calcutta | |
52 | // | |
53 | ||
54 | Float_t th1, th2, dbox, dist; | |
55 | //Float_t xoff[40][40], yoff[40][40]; | |
56 | Int_t i, j, nbox; | |
57 | Float_t rlow; | |
58 | Int_t xoff1[3], yoff1[3], l; | |
59 | Float_t rhigh, dmax, hole; | |
60 | Int_t kk, nhol; | |
61 | Float_t rr, xx, yy; | |
62 | ||
63 | th1 = thmin * kPI / 180; | |
64 | th2 = thmax * kPI / 180; | |
65 | /* ESTIMATES FOR OCTAGON */ | |
66 | dist = zdist * TMath::Tan(th2); | |
67 | /* *** 04.06.97 Fixed Module size of 6 cm, 0 mm boundary. */ | |
68 | /* *** variable pad sizes of 0.3 mm, 0.5 mm, 1.0 mm and 1.2 mm */ | |
69 | dbox = edge * 2 + 24; | |
70 | maxbox = Int_t(dist / dbox + .5); | |
71 | dmax= maxbox * dbox; | |
72 | /* NOW GET THE HOLE SIZE ETC. */ | |
73 | hole = zdist * TMath::Tan(th1); | |
74 | nhol = Int_t(hole / dbox + .5); | |
75 | hole = nhol * dbox; | |
76 | ||
77 | rlow = zdist * TMath::Tan(thlow * kPI / 180); | |
78 | rhigh = zdist * TMath::Tan(thhigh * kPI / 180); | |
79 | for (i = 1; i <= 40; ++i) { | |
80 | for (j = 1; j <= 40; ++j) { | |
81 | //index[j][i] = 0; | |
82 | //xoff[j][i] = 0; | |
83 | //yoff[j][i] = 0; | |
84 | xbox[j][i] = 0; | |
85 | /* L5: */ | |
86 | ybox[j][i] = 0; | |
87 | } | |
88 | } | |
89 | ||
90 | // NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE | |
91 | ||
92 | yy = dbox / 2; | |
93 | for(i=0;i<3;i++) yoff1[i]=0; | |
94 | nbox = 0; | |
95 | // PRINT*,'MAXBOX=',MAXBOX | |
96 | for (i = 1; i <= maxbox; ++i) { | |
97 | xx = dbox / 2; | |
98 | for(j=0;j<3;j++) xoff1[j]=0; | |
99 | for (j = 1; j <= maxbox; ++j) { | |
100 | rr = sqrt(xx*xx+yy*yy); | |
101 | if (rr >= hole && rr <= dmax) { | |
102 | // BOX CAN BE FITTED | |
103 | //index[j][i] = 2; | |
104 | //if (rr < rlow) index[j][i] = 1; | |
105 | //else if (rr > rhigh) index[j][i] = 3; | |
106 | xbox[j][i] = xx; | |
107 | ybox[j][i] = yy; | |
108 | ++nbox; | |
109 | //xoff[j][i] = xoff1[index[j][i] - 1]; | |
110 | //yoff[j][i] = yoff1[index[j][i] - 1]; | |
111 | } | |
112 | if (kdet == 1) kk = 1; else kk = 0; | |
113 | for (l = 1; l <= 3; ++l) | |
114 | xoff1[l - 1] += fNumPads[l + kk - 1]; | |
115 | xx += dbox; | |
116 | } | |
117 | ||
118 | if (kdet == 1) kk = 1; else kk=0; | |
119 | ||
120 | for (l = 1; l <= 3; ++l) | |
121 | yoff1[l - 1] += fNumPads[l + kk - 1]; | |
122 | yy += dbox; | |
123 | } | |
124 | } | |
125 | ||
126 | //_____________________________________________________________________________ | |
127 | void AliPMDv2::Coordinates() | |
128 | { | |
129 | // | |
130 | // SUBROUTINE TO COMPUTE THE X- AND Y- COORDINATES OF THE BOXES | |
131 | // WHICH CAN FIT INTO THE CIRCULAR REGION BETWEEN THE GIVEN ANGLES. | |
132 | // INPUT : ZDIST, THMIN, THMAX, PADSIZE (FOR INSIDE and OUTSIDE PMD). | |
133 | // ALL DIMENSIONS IN CM. | |
134 | // -- Author : Y.P. VIYOGI, 10/05/1996. | |
135 | ||
136 | Float_t hole, dmax, dbox; | |
137 | Int_t nhol; | |
138 | Float_t dist; | |
139 | Int_t nbox; | |
140 | Float_t rlow; | |
141 | Int_t i, j; | |
142 | Float_t rhigh, rr, xx, yy, th1, th2; | |
143 | ||
144 | th1 = thmin*kPI/180; | |
145 | th2 = thmax*kPI/180; | |
146 | // ESTIMATES FOR OCTAGON | |
147 | dist = zdist * TMath::Tan(th2); | |
148 | // *** 04.06.97 Fixed Module size of 24 cm, 3 mm boundary. | |
149 | // *** variable pad sizes of 8 mm, 10 mm, 12mm and 15 mm | |
150 | dbox = edge*2 + 24.; | |
151 | maxbox = Int_t(dist / dbox + .5); | |
152 | dmax = maxbox*dbox; | |
153 | // NOW GET THE HOLE SIZE ETC. | |
154 | hole = zdist * TMath::Tan(th1); | |
155 | nhol = Int_t(hole / dbox + .5); | |
156 | hole = nhol * dbox; | |
157 | ||
158 | rlow = zdist * TMath::Tan(thlow*kPI/180); | |
159 | rhigh = zdist * TMath::Tan(thhigh*kPI/180); | |
160 | for (i = 0; i < 40; ++i) { | |
161 | for (j = 0; j < 40; ++j) { | |
162 | pindex[j][i] = 0; | |
163 | xbox[j][i] = 0; | |
164 | ybox[j][i] = 0; | |
165 | } | |
166 | } | |
167 | ||
168 | // NOW START PLACING THE BOXES IN VARIOUS LAYERS, START FROM THE CENTRE | |
169 | yy = dbox / 2; | |
170 | nbox = 0; | |
171 | for (i = 0; i < maxbox; ++i) { | |
172 | xx = dbox / 2; | |
173 | for (j = 0; j < maxbox; ++j) { | |
174 | rr = TMath::Sqrt(xx*xx + yy*yy); | |
175 | if (rr >= hole && rr <= dmax) { // BOX CAN BE FITTED | |
176 | pindex[j][i] = 2; | |
177 | if (rr < rlow) pindex[j][i] = 1; | |
178 | if (rr > rhigh) pindex[j][i] = 3; | |
179 | xbox[j][i] = xx; | |
180 | ybox[j][i] = yy; | |
181 | ++nbox; | |
182 | } | |
183 | xx += dbox; | |
184 | } | |
185 | yy += dbox; | |
186 | } | |
187 | } | |
188 | ||
189 | //_____________________________________________________________________________ | |
190 | void AliPMDv2::CreateGeometry() | |
191 | { | |
192 | // | |
193 | // Create geometry for Photon Multiplicity Detector Version 1 | |
194 | // | |
195 | //Begin_Html | |
196 | /* | |
1439f98e | 197 | <img src="picts/AliPMDv2.gif"> |
6edc06da | 198 | */ |
199 | //End_Html | |
200 | //Begin_Html | |
201 | /* | |
1439f98e | 202 | <img src="picts/AliPMDv2Tree.gif"> |
6edc06da | 203 | */ |
204 | //End_Html | |
205 | CreatePads(); | |
206 | CreateInside(); | |
207 | } | |
208 | ||
209 | //_____________________________________________________________________________ | |
210 | void AliPMDv2::CreateInside() | |
211 | { | |
212 | // | |
213 | // Create inside of Pads | |
214 | // | |
215 | // -- Author : Y.P. VIYOGI, 07/05/1996. | |
216 | // -- Modified: P.V.K.S.Baba(JU), 15-12-97. | |
217 | ||
218 | Float_t sipmd[3] = { 300.,300.,5. }; | |
219 | ||
220 | Int_t i2; | |
221 | ||
222 | Float_t xiqa[4], yiqa[4]; | |
223 | Int_t inum2, inum3, inum4, i, j, k; | |
224 | Float_t siqad[4]; | |
225 | Float_t zd, xd, yd, xp, yp, zp; | |
226 | Int_t idrotm[100]; | |
227 | ||
ad51aeb0 | 228 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da | 229 | |
230 | // VOLUMES Names : begining with D for all PMD volumes, | |
231 | // The names of SIZE variables begin with S and have more meaningful | |
232 | // characters as shown below. | |
233 | ||
234 | // VOLUME SIZE MEDIUM : REMARKS | |
235 | // ------ ----- ------ : --------------------------- | |
236 | ||
237 | // DPMD SIPMD AIR : INSIDE PMD and its SIZE | |
238 | ||
239 | ||
240 | ||
241 | // *** Define the DPMD Volume and fill with air *** | |
242 | ||
cfce8870 | 243 | gMC->Gsvolu("DPMD", "BOX ", idtmed[698], sipmd, 3); |
6edc06da | 244 | |
245 | // *** Define DIQU Volume and fill with air | |
246 | siqad[0] = sipmd[0] / 2. - 1.; | |
247 | siqad[1] = sipmd[1] / 2. - 1.; | |
248 | siqad[2] = sipmd[2]; | |
cfce8870 | 249 | gMC->Gsvolu("DIQU","BOX ", idtmed[698], siqad, 3); |
250 | gMC->Gsatt("DIQU", "SEEN", 1); | |
6edc06da | 251 | |
252 | ||
253 | // --- Place the modules in INSIDE PMD (DPMD) | |
254 | // --- FIRST CALCULATE THE COORDINATES OF THE MODULES WHICH CAN BE | |
255 | // --- ACCOMODATED. | |
256 | ||
257 | kdet = 1; | |
258 | Coordinates(); | |
259 | ||
260 | //inum = 0; | |
261 | zd = 0.; | |
262 | AliMatrix(idrotm[1], 90., 0., 90., 90., 0., 0.); | |
263 | AliMatrix(idrotm[2], 90., 180., 90., 90., 0., 0.); | |
264 | AliMatrix(idrotm[3], 90., 180., 90., 270., 0., 0.); | |
265 | AliMatrix(idrotm[4], 90., 0., 90., 270., 0., 0.); | |
266 | // **** Filling the DIQU Vol. (One Quadrant) | |
267 | inum2 = 0; | |
268 | inum3 = 0; | |
269 | inum4 = 0; | |
270 | for (i = 0; i < maxbox; ++i) { | |
271 | i2 = maxbox; | |
272 | for (j = 0; j < i2; ++j) { | |
273 | if (xbox[j][i] <= 0 && ybox[j][i] <= 0) continue; | |
274 | xd = xbox[j][i] - siqad[0]; | |
275 | yd = ybox[j][i] - siqad[1]; | |
276 | if (pindex[j][i] == 1) { | |
277 | ++inum2; | |
cfce8870 | 278 | gMC->Gsposp("DM11", inum2, "DIQU", xd, yd, zd, 0, "ONLY", smod2, 3); |
6edc06da | 279 | } |
280 | if (pindex[j][i] == 2) { | |
281 | ++inum3; | |
cfce8870 | 282 | gMC->Gsposp("DM12", inum3, "DIQU", xd, yd, zd, 0, "ONLY", smod3, 3); |
6edc06da | 283 | } |
284 | if (pindex[j][i] == 3) { | |
285 | ++inum4; | |
cfce8870 | 286 | gMC->Gsposp("DM13", inum4, "DIQU", xd, yd, zd, 0, "ONLY", smod4, 3); |
6edc06da | 287 | } |
288 | } | |
289 | } | |
290 | xiqa[0] = siqad[0]; | |
291 | xiqa[1] = -siqad[0]; | |
292 | xiqa[2] = xiqa[1]; | |
293 | xiqa[3] = xiqa[0]; | |
294 | yiqa[0] = siqad[0]; | |
295 | yiqa[1] = yiqa[0]; | |
296 | yiqa[2] = -siqad[0]; | |
297 | yiqa[3] = yiqa[2]; | |
298 | i2 = numqu; | |
299 | for (k = 1; k <= i2; ++k) { | |
cfce8870 | 300 | gMC->Gsposp("DIQU", k, "DPMD", xiqa[k-1], yiqa[k-1], zd, idrotm[k], "ONLY", siqad, 3); |
6edc06da | 301 | } |
302 | ||
303 | // --- Place the DPMD in ALICE with front edge 6.0m from vertex --- | |
304 | xp = 0.; | |
305 | yp = 0.; | |
306 | zp = zdist1; | |
cfce8870 | 307 | gMC->Gspos("DPMD", 1, "ALIC", xp, yp, zp, 0, "ONLY"); |
6edc06da | 308 | |
309 | } | |
310 | ||
311 | //_____________________________________________________________________________ | |
312 | void AliPMDv2::CreatePads() | |
313 | { | |
314 | // | |
315 | // Create the geometry of the pads | |
316 | // *** DEFINITION OF THE GEOMETRY OF THE PMD *** | |
317 | // *** DIFFERENT PADS WITH SIZES 8 MM, 10 MM, 12 MM AND 15 MM SQUARE | |
318 | // -- Author : Y.P. VIYOGI, 04/06/1997. | |
319 | // -- Modified: P.V.K.S.Baba(JU), 13-12-97. | |
320 | ||
6edc06da | 321 | Int_t npad1, npad2, npad3, npad4; |
322 | Float_t spad1[3], spad2[3], spad3[3], spad4[3]; | |
323 | Float_t scpv1[3], scpv2[3], scpv3[3], scpv4[3]; | |
324 | Int_t i, j; | |
325 | Float_t sstr1[3], spsw1[3], sstr2[3], spsw2[3], sstr3[3], spsw3[3], | |
326 | sstr4[3], spsw4[3]; | |
327 | Float_t xa, ya, za, xb, yb, zb, xc, sw[3], yc, zc; | |
328 | Float_t sfe[3]; | |
329 | Float_t spb[3], pad1, pad2, pad3, pad4; | |
330 | // VOLUMES Names : begining with D for all PMD volumes, | |
331 | // DMO1 : MODULE TYPE 1 ( 8 MM PADS) | |
332 | // DM11 : MODULE TYPE 2 (10 MM PADS) | |
333 | // DM12 : MODULE TYPE 3 (12 MM PADS) | |
334 | // DM13 : MODULE TYPE 4 (15 MM PADS) | |
335 | ||
336 | // The names of SIZE variables begin with S and have more meaningful | |
337 | // characters as shown below. | |
338 | ||
339 | // VOLUME SIZE MEDIUM : REMARKS | |
340 | // ------ ----- ------ : --------------------------- | |
341 | ||
342 | // DPPB SPB PB : PB Converter and its SIZE | |
343 | // DPFE SFE FE : FE Support Plate and its SIZE | |
344 | ||
345 | // DP11 SPAD2 GAS : PAD TYPE 2 (10 MM) | |
346 | // DP12 SPAD2 GAS : PAD TYPE 2 FOR CPV(10 MM) | |
347 | // DS11 SSTR2 FE : STRIP OF IRON | |
348 | // DW11 SPSW2 G10 : PRESHOWER | |
349 | // DV11 SCPV2 G10 : CPV | |
350 | ||
351 | // DP13 SPAD3 GAS : PAD TYPE 3 (12 MM) | |
352 | // DP14 SPAD3 GAS : PAD TYPE 3 FOR CPV(12 MM) | |
353 | // DS12 SSTR3 FE : STRIP OF IRON | |
354 | // DW12 SPSW3 G10 : PRESHOWER | |
355 | // DV12 SCPV3 G10 : CPV | |
356 | ||
357 | // DP15 SPAD4 GAS : PAD TYPE 4 (15 MM) | |
358 | // DP16 SPAD4 GAS : PAD TYPE 4 FOR CPV(15 MM) | |
359 | // DS13 SSTR4 FE : STRIP OF IRON | |
360 | // DW13 SPSW4 G10 : PRESHOWER | |
361 | // DV13 SCPV4 G10 : CPV | |
362 | ||
363 | // ****************** VOLUME TREE ****************** | |
364 | ||
365 | // DM11 (Module) | |
366 | // | | |
367 | // | | |
368 | // ------------------------------------------------- | |
369 | // | | | | | |
370 | // | | | | | |
371 | // DV11( CPV) DPFE DPPB DW11(Preshower) | |
372 | // | | | |
373 | // | | | |
374 | // DS12(Strip) DS11(Strip) | |
375 | // | | | |
376 | // | | | |
377 | // DP12(Pads) DP11(Pads) | |
378 | ||
379 | // ************************************************************ | |
380 | ||
381 | // --- The above gives the Volume Tree. PAD is a gas cell of size | |
382 | // --- given by PADSIZE in the input cards. STRIP is a collection of | |
383 | //--- PADs in a row. STRIPs are positioned in the PRESHOWER BOX. This is | |
384 | //--- then placed in the MODULE. The PSW and the MODULE have the same size | |
385 | // --- ; Lead converter, Iron support plate are also placed | |
386 | // --- in the MODULE. | |
387 | ||
388 | ||
389 | // DATA PAD1,PAD2,PAD3,PAD4/4*0.8/ | |
390 | // DATA NPAD1,NPAD2,NPAD3,NPAD4/4*30/ | |
391 | ||
ad51aeb0 | 392 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da | 393 | |
394 | // **** PAD SIZE 8 MM | |
395 | // pmdin = fPar[0]; | |
396 | // pmdout = fPar[1]; | |
397 | thgas = fPar[2]; | |
398 | thcell = fPar[3]; | |
399 | thmin = fIn[0]; | |
400 | thmax = fIn[1]; | |
401 | zdist1 = fIn[2]; | |
402 | zdist = TMath::Abs(zdist1); | |
403 | thlow = fIn[3]; | |
404 | thhigh = fIn[4]; | |
405 | // wafer = fGeo[0]; | |
406 | edge = fGeo[1]; | |
407 | numqu = Int_t(fGeo[2]); | |
408 | ||
409 | ||
410 | // *BABA | |
411 | pad1 = fPadSize[0]; | |
412 | pad2 = fPadSize[1]; | |
413 | pad3 = fPadSize[2]; | |
414 | pad4 = fPadSize[3]; | |
415 | npad1 = Int_t(24/fPadSize[0]); | |
416 | npad2 = Int_t(24/fPadSize[1]); | |
417 | npad3 = Int_t(24/fPadSize[2]); | |
418 | npad4 = Int_t(24/fPadSize[3]); | |
419 | // *BABA | |
420 | spad1[0] = (pad1 - thcell) / 2.; | |
421 | spad1[1] = spad1[0]; | |
422 | spad1[2] = thgas / 2; | |
cfce8870 | 423 | gMC->Gsvolu("DP21", "BOX ", idtmed[604], spad1, 3); |
424 | gMC->Gsatt("DP21", "SEEN", 1); | |
425 | gMC->Gsvolu("DP22", "BOX ", idtmed[604], spad1, 3); | |
426 | gMC->Gsatt("DP22", "SEEN", 1); | |
6edc06da | 427 | |
428 | sstr1[0] = npad1*pad1/2; | |
429 | sstr1[1] = pad1/2; | |
430 | sstr1[2] = thgas/2; | |
cfce8870 | 431 | gMC->Gsvolu("DS21", "BOX ", idtmed[605], sstr1, 3); |
432 | gMC->Gsatt("DS21", "SEEN", 1); | |
433 | gMC->Gsvolu("DS22", "BOX ", idtmed[605], sstr1, 3); | |
434 | gMC->Gsatt("DS22", "SEEN", 1); | |
6edc06da | 435 | |
436 | spsw1[0] = sstr1[0] + edge; | |
437 | spsw1[1] = spsw1[0]; | |
438 | spsw1[2] = (thgas + .4) / 2; | |
439 | // 2 mm G10 Plate cover (NMATE = 808) | |
440 | scpv1[0] = spsw1[0]; | |
441 | scpv1[1] = spsw1[1]; | |
442 | scpv1[2] = spsw1[2]; | |
cfce8870 | 443 | gMC->Gsvolu("DW21", "BOX ", idtmed[607], spsw1, 3); |
444 | gMC->Gsatt("DW21", "SEEN", 1); | |
445 | gMC->Gsvolu("DV21", "BOX ", idtmed[607], spsw1, 3); | |
446 | gMC->Gsatt("DV21", "SEEN", 1); | |
6edc06da | 447 | |
448 | // --- place pads in a strip | |
449 | xa = (-npad1 + 1.) * pad1 / 2.; | |
450 | ya = 0.; | |
451 | za = 0.; | |
452 | for (i = 1; i <= npad1; ++i) { | |
cfce8870 | 453 | gMC->Gsposp("DP21", i, "DS21", xa, ya, za, 0, "ONLY", spad1, 3); |
454 | gMC->Gsposp("DP22", i, "DS22", xa, ya, za, 0, "ONLY", spad1, 3); | |
6edc06da | 455 | xa += pad1; |
456 | } | |
457 | // --- place strips in the PRESHOWER AND CPV boxes | |
458 | xb = 0.; | |
459 | yb = (-npad1 + 1.) * pad1 / 2.; | |
460 | zb = 0.; | |
461 | for (j = 1; j <= npad1; ++j) { | |
cfce8870 | 462 | gMC->Gsposp("DS21", j, "DW21", xb, yb, zb, 0, "ONLY", sstr1, 3); |
463 | gMC->Gsposp("DS22", j, "DV21", xb, yb, zb, 0, "ONLY", sstr1, 3); | |
6edc06da | 464 | yb += pad1; |
465 | } | |
466 | ||
467 | // **** PAD SIZE 10 MM | |
468 | ||
469 | spad2[0] = (pad2 - thcell) / 2.; | |
470 | spad2[1] = spad2[0]; | |
471 | spad2[2] = thgas / 2; | |
cfce8870 | 472 | gMC->Gsvolu("DP11", "BOX ", idtmed[604], spad2, 3); |
473 | gMC->Gsatt("DP11", "SEEN", 1); | |
474 | gMC->Gsvolu("DP12", "BOX ", idtmed[604], spad2, 3); | |
475 | gMC->Gsatt("DP12", "SEEN", 1); | |
6edc06da | 476 | |
477 | sstr2[0] = npad2 * pad2 / 2; | |
478 | sstr2[1] = pad2 / 2; | |
479 | sstr2[2] = thgas / 2; | |
cfce8870 | 480 | gMC->Gsvolu("DS11", "BOX ", idtmed[605], sstr2, 3); |
481 | gMC->Gsatt("DS11", "SEEN", 1); | |
482 | gMC->Gsvolu("DS12", "BOX ", idtmed[605], sstr2, 3); | |
483 | gMC->Gsatt("DS12", "SEEN", 1); | |
6edc06da | 484 | |
485 | spsw2[0] = sstr2[0] + edge; | |
486 | spsw2[1] = spsw2[0]; | |
487 | spsw2[2] = (thgas + .4) / 2; | |
488 | // 2 mm G10 Plate cover (NMATE = 808) | |
489 | scpv2[0] = spsw2[0]; | |
490 | scpv2[1] = spsw2[1]; | |
491 | scpv2[2] = spsw2[2]; | |
cfce8870 | 492 | gMC->Gsvolu("DW11","BOX ", idtmed[607], spsw2, 3); |
493 | gMC->Gsatt("DW11", "SEEN", 1); | |
494 | gMC->Gsvolu("DV11","BOX ", idtmed[607], spsw2, 3); | |
495 | gMC->Gsatt("DV11", "SEEN", 1); | |
6edc06da | 496 | |
497 | // --- place pads in a strip | |
498 | xa = (-npad2 + 1.) * pad2 / 2.; | |
499 | ya = 0.; | |
500 | za = 0.; | |
501 | for (i = 1; i <= npad2; ++i) { | |
cfce8870 | 502 | gMC->Gsposp("DP11", i, "DS11", xa, ya, za, 0, "ONLY", spad2, 3); |
503 | gMC->Gsposp("DP12", i, "DS12", xa, ya, za, 0, "ONLY", spad2, 3); | |
6edc06da | 504 | xa += pad2; |
505 | } | |
506 | // --- place strips in the PRESHOWER AND CPV boxes | |
507 | xb = 0.; | |
508 | yb = (-npad2 + 1.) * pad2 / 2.; | |
509 | zb = 0.; | |
510 | for (j = 1; j <= npad2; ++j) { | |
cfce8870 | 511 | gMC->Gsposp("DS11", j, "DW11", xb, yb, zb, 0, "ONLY", sstr2, 3); |
512 | gMC->Gsposp("DS12", j, "DV11", xb, yb, zb, 0, "ONLY", sstr2, 3); | |
6edc06da | 513 | yb += pad2; |
514 | } | |
515 | ||
516 | // **** PAD SIZE 12 MM | |
517 | ||
518 | spad3[0] = (pad3 - thcell) / 2.; | |
519 | spad3[1] = spad3[0]; | |
520 | spad3[2] = thgas / 2; | |
cfce8870 | 521 | gMC->Gsvolu("DP13", "BOX ", idtmed[604], spad3, 3); |
522 | gMC->Gsatt("DP13", "SEEN", 1); | |
523 | gMC->Gsvolu("DP14", "BOX ", idtmed[604], spad3, 3); | |
524 | gMC->Gsatt("DP14", "SEEN", 1); | |
6edc06da | 525 | |
526 | sstr3[0] = npad3 * pad3 / 2; | |
527 | sstr3[1] = pad3 / 2; | |
528 | sstr3[2] = thgas / 2; | |
cfce8870 | 529 | gMC->Gsvolu("DS13", "BOX ", idtmed[605], sstr3, 3); |
530 | gMC->Gsatt("DS13", "SEEN", 1); | |
531 | gMC->Gsvolu("DS14", "BOX ", idtmed[605], sstr3, 3); | |
532 | gMC->Gsatt("DS14", "SEEN", 1); | |
6edc06da | 533 | |
534 | spsw3[0] = sstr3[0] + edge; | |
535 | spsw3[1] = spsw3[0]; | |
536 | spsw3[2] = (thgas + .4) / 2; | |
537 | // 2 mm G10 Plate cover (NMATE = 808) | |
538 | scpv3[0] = spsw3[0]; | |
539 | scpv3[1] = spsw3[1]; | |
540 | scpv3[2] = spsw3[2]; | |
cfce8870 | 541 | gMC->Gsvolu("DW12","BOX ", idtmed[607], spsw3, 3); |
542 | gMC->Gsatt("DW12", "SEEN", 1); | |
543 | gMC->Gsvolu("DV12","BOX ", idtmed[607], spsw3, 3); | |
544 | gMC->Gsatt("DV12", "SEEN", 1); | |
6edc06da | 545 | |
546 | // --- place pads in a strip | |
547 | xa = (-npad3 + 1.) * pad3 / 2.; | |
548 | ya = 0.; | |
549 | za = 0.; | |
550 | for (i = 1; i <= npad3; ++i) { | |
cfce8870 | 551 | gMC->Gsposp("DP13", i, "DS13", xa, ya, za, 0, "ONLY", spad3, 3); |
552 | gMC->Gsposp("DP14", i, "DS14", xa, ya, za, 0, "ONLY", spad3, 3); | |
6edc06da | 553 | xa += pad3; |
554 | } | |
555 | // --- place strips in the PRESHOWER AND CPV boxes | |
556 | xb = 0.; | |
557 | yb = (-npad3 + 1.) * pad3 / 2.; | |
558 | zb = 0.; | |
559 | for (j = 1; j <= npad3; ++j) { | |
cfce8870 | 560 | gMC->Gsposp("DS13", j, "DW12", xb, yb, zb, 0, "ONLY", sstr3, 3); |
561 | gMC->Gsposp("DS14", j, "DV12", xb, yb, zb, 0, "ONLY", sstr3, 3); | |
6edc06da | 562 | yb += pad3; |
563 | } | |
564 | ||
565 | // **** PAD SIZE 15 MM | |
566 | ||
567 | spad4[0] = (pad4 - thcell) / 2.; | |
568 | spad4[1] = spad4[0]; | |
569 | spad4[2] = thgas / 2; | |
cfce8870 | 570 | gMC->Gsvolu("DP15","BOX ", idtmed[604], spad4, 3); |
571 | gMC->Gsatt("DP15", "SEEN", 1); | |
572 | gMC->Gsvolu("DP16","BOX ", idtmed[604], spad4, 3); | |
573 | gMC->Gsatt("DP16", "SEEN", 1); | |
6edc06da | 574 | |
575 | sstr4[0] = npad4 * pad4 / 2; | |
576 | sstr4[1] = pad4 / 2; | |
577 | sstr4[2] = thgas / 2; | |
cfce8870 | 578 | gMC->Gsvolu("DS15","BOX ", idtmed[605], sstr4, 3); |
579 | gMC->Gsatt("DS15", "SEEN", 1); | |
580 | gMC->Gsvolu("DS16","BOX ", idtmed[605], sstr4, 3); | |
581 | gMC->Gsatt("DS16", "SEEN", 1); | |
6edc06da | 582 | |
583 | spsw4[0] = sstr4[0] + edge; | |
584 | spsw4[1] = spsw4[0]; | |
585 | spsw4[2] = (thgas + .4) / 2; | |
586 | // 2 mm G10 Plate cover (NMATE = 808) | |
587 | scpv4[0] = spsw4[0]; | |
588 | scpv4[1] = spsw4[1]; | |
589 | scpv4[2] = spsw4[2]; | |
cfce8870 | 590 | gMC->Gsvolu("DW13","BOX ", idtmed[607], spsw4, 3); |
591 | gMC->Gsatt("DW13", "SEEN", 1); | |
592 | gMC->Gsvolu("DV13","BOX ", idtmed[607], spsw4, 3); | |
593 | gMC->Gsatt("DV13", "SEEN", 1); | |
6edc06da | 594 | |
595 | // --- place pads in a strip | |
596 | xa = (-npad4 + 1.) * pad4 / 2.; | |
597 | ya = 0.; | |
598 | za = 0.; | |
599 | for (i = 1; i <= npad4; ++i) { | |
cfce8870 | 600 | gMC->Gsposp("DP15", i, "DS15", xa, ya, za, 0, "ONLY", spad4, 3); |
601 | gMC->Gsposp("DP16", i, "DS16", xa, ya, za, 0, "ONLY", spad4, 3); | |
6edc06da | 602 | xa += pad4; |
603 | } | |
604 | // --- place strips in the PRESHOWER AND CPV boxes | |
605 | xb = 0.; | |
606 | yb = (-npad4 + 1.) * pad4 / 2.; | |
607 | zb = 0.; | |
608 | for (j = 1; j <= npad4; ++j) { | |
cfce8870 | 609 | gMC->Gsposp("DS15", j, "DW13", xb, yb, zb, 0, "ONLY", sstr4, 3); |
610 | gMC->Gsposp("DS16", j, "DV13", xb, yb, zb, 0, "ONLY", sstr4, 3); | |
6edc06da | 611 | yb += pad4; |
612 | } | |
613 | ||
614 | ||
615 | // --- DEFINE MODULES, IRON, TUNGSTEN AND LEAD VOLUMES | |
616 | ||
617 | ||
618 | spb[0] = spsw1[0]; | |
619 | spb[1] = spsw1[1]; | |
620 | spb[2] = .75; | |
cfce8870 | 621 | gMC->Gsvolu("DPPB","BOX ", idtmed[600], spb, 3); |
622 | gMC->Gsatt("DPPB", "SEEN", 1); | |
6edc06da | 623 | |
624 | sw[0] = spsw1[0]; | |
625 | sw[1] = spsw1[1]; | |
626 | sw[2] = 0.9/2.; | |
cfce8870 | 627 | gMC->Gsvolu("DPW ","BOX ", idtmed[600], sw, 3); |
628 | gMC->Gsatt("DPW ", "SEEN", 1); | |
6edc06da | 629 | |
630 | sfe[0] = spsw1[0]; | |
631 | sfe[1] = spsw1[1]; | |
632 | sfe[2] = 0.6/2.; | |
cfce8870 | 633 | gMC->Gsvolu("DPFE","BOX ", idtmed[605], sfe, 3); |
634 | gMC->Gsatt("DPFE", "SEEN", 1); | |
6edc06da | 635 | |
636 | smod1[0] = spsw1[0]; | |
637 | smod1[1] = smod1[0]; | |
638 | // SMOD1(3)=SPSW1(3)+SFE(3)+SW (3)+SCPV1(3) | |
639 | smod1[2] = spsw1[2] + sfe[2] + spb[2] + scpv1[2]; | |
cfce8870 | 640 | gMC->Gsvolu("DM21", "BOX ", idtmed[698], smod1, 3); |
6edc06da | 641 | |
642 | smod2[0] = spsw2[0]; | |
643 | smod2[1] = smod2[0]; | |
644 | smod2[2] = spsw2[2] + sfe[2] + spb[2] + scpv2[2]; | |
cfce8870 | 645 | gMC->Gsvolu("DM11", "BOX ", idtmed[698], smod2, 3); |
6edc06da | 646 | |
647 | smod3[0] = spsw3[0]; | |
648 | smod3[1] = smod3[0]; | |
649 | smod3[2] = spsw3[2] + sfe[2] + spb[2] + scpv3[2]; | |
cfce8870 | 650 | gMC->Gsvolu("DM12", "BOX ", idtmed[698], smod3, 3); |
6edc06da | 651 | |
652 | smod4[0] = spsw4[0]; | |
653 | smod4[1] = smod4[0]; | |
654 | smod4[2] = spsw4[2] + sfe[2] + spb[2] + scpv4[2]; | |
cfce8870 | 655 | gMC->Gsvolu("DM13", "BOX ", idtmed[698], smod4, 3); |
6edc06da | 656 | |
657 | // **** MODULE TYPE 1 : ALWAYS WITH TUNSGTEN CONVERTER | |
658 | ||
659 | // *** try with PB once 8.6.97 | |
660 | ||
661 | // --- place gas box (as CPV), iron support, lead converter and gas box | |
662 | // --- (preshower) in the module | |
663 | xc = 0.; | |
664 | yc = 0.; | |
665 | // --- First the CPV box | |
666 | zc = -(spsw1[2] + sfe[2] + spb[2] + spsw1[2]) + spsw1[2]; | |
cfce8870 | 667 | gMC->Gspos("DV21", 1, "DM21", xc, yc, zc, 0, "ONLY"); |
6edc06da | 668 | // --- Then iron support plate |
669 | zc = zc + sfe[2] + spsw1[2]; | |
cfce8870 | 670 | gMC->Gspos("DPFE", 1, "DM21", xc, yc, zc, 0, "ONLY"); |
6edc06da | 671 | // --- Then converter plate |
672 | zc = zc + sfe[2] + spb[2]; | |
cfce8870 | 673 | gMC->Gspos("DPPB", 1, "DM21", xc, yc, zc, 0, "ONLY"); |
6edc06da | 674 | // --- Lastly the preshower box |
675 | zc = zc + spb[2] + spsw1[2]; | |
cfce8870 | 676 | gMC->Gspos("DW21", 1, "DM21", xc, yc, zc, 0, "ONLY"); |
6edc06da | 677 | |
678 | // **** MODULE TYPE 2 | |
679 | ||
680 | // --- place gas box (as CPV), iron support, lead converter and gas box | |
681 | // --- (preshower) in the module | |
682 | xc = 0.; | |
683 | yc = 0.; | |
684 | // --- First the CPV box | |
685 | zc = -(spsw2[2] + sfe[2] + spb[2] + spsw2[2]) + spsw2[2]; | |
cfce8870 | 686 | gMC->Gspos("DV11", 1, "DM11", xc, yc, zc, 0, "ONLY"); |
6edc06da | 687 | // --- Then iron support plate |
688 | zc = zc + sfe[2] + spsw2[2]; | |
cfce8870 | 689 | gMC->Gspos("DPFE", 1, "DM11", xc, yc, zc, 0, "ONLY"); |
6edc06da | 690 | // --- Then lead converter plate |
691 | zc = zc + sfe[2] + spb[2]; | |
cfce8870 | 692 | gMC->Gspos("DPPB", 1, "DM11", xc, yc, zc, 0, "ONLY"); |
6edc06da | 693 | // --- Lastly the preshower box |
694 | zc = zc + spb[2] + spsw2[2]; | |
cfce8870 | 695 | gMC->Gspos("DW11", 1, "DM11", xc, yc, zc, 0, "ONLY"); |
6edc06da | 696 | |
697 | ||
698 | // **** MODULE TYPE 3 | |
699 | ||
700 | // --- place gas box (as CPV), iron support, lead converter and gas box | |
701 | // --- (preshower) in the module | |
702 | xc = 0.; | |
703 | yc = 0.; | |
704 | // --- First the CPV box | |
705 | zc = -(spsw3[2] + sfe[2] + spb[2] + spsw3[2]) + spsw3[2]; | |
cfce8870 | 706 | gMC->Gspos("DV12", 1, "DM12", xc, yc, zc, 0, "ONLY"); |
6edc06da | 707 | // --- Then iron support plate |
708 | zc = zc + sfe[2] + spsw3[2]; | |
cfce8870 | 709 | gMC->Gspos("DPFE", 1, "DM12", xc, yc, zc, 0, "ONLY"); |
6edc06da | 710 | // --- Then lead converter plate |
711 | zc = zc + sfe[2] + spb[2]; | |
cfce8870 | 712 | gMC->Gspos("DPPB", 1, "DM12", xc, yc, zc, 0, "ONLY"); |
6edc06da | 713 | // --- Lastly the preshower box |
714 | zc = zc + spb[2] + spsw3[2]; | |
cfce8870 | 715 | gMC->Gspos("DW12", 1, "DM12", xc, yc, zc, 0, "ONLY"); |
6edc06da | 716 | |
717 | ||
718 | // **** MODULE TYPE 4 | |
719 | ||
720 | // --- place gas box (as CPV), iron support, lead converter and gas box | |
721 | // --- (preshower) in the module | |
722 | xc = 0.; | |
723 | yc = 0.; | |
724 | // --- First the CPV box | |
725 | zc = -(spsw4[2] + sfe[2] + spb[2] + spsw4[2]) + spsw4[2]; | |
cfce8870 | 726 | gMC->Gspos("DV13", 1, "DM13", xc, yc, zc, 0, "ONLY"); |
6edc06da | 727 | // --- Then iron support plate |
728 | zc = zc + sfe[2] + spsw4[2]; | |
cfce8870 | 729 | gMC->Gspos("DPFE", 1, "DM13", xc, yc, zc, 0, "ONLY"); |
6edc06da | 730 | // --- Then lead converter plate |
731 | zc = zc + sfe[2] + spb[2]; | |
cfce8870 | 732 | gMC->Gspos("DPPB", 1, "DM13", xc, yc, zc, 0, "ONLY"); |
6edc06da | 733 | // --- Lastly the preshower box |
734 | zc = zc + spb[2] + spsw4[2]; | |
cfce8870 | 735 | gMC->Gspos("DW13", 1, "DM13", xc, yc, zc, 0, "ONLY"); |
6edc06da | 736 | |
737 | } | |
738 | ||
739 | //_____________________________________________________________________________ | |
740 | void AliPMDv2::DrawModule() | |
741 | { | |
742 | // | |
743 | // Draw a shaded view of the Photon Multiplicity Detector | |
744 | // | |
745 | ||
cfce8870 | 746 | gMC->Gsatt("*", "seen", -1); |
747 | gMC->Gsatt("alic", "seen", 0); | |
6edc06da | 748 | // |
749 | // Set the visibility of the components | |
750 | // | |
cfce8870 | 751 | gMC->Gsatt("DP21","seen",0); |
752 | gMC->Gsatt("DP22","seen",0); | |
753 | gMC->Gsatt("DS21","seen",1); | |
754 | gMC->Gsatt("DS22","seen",1); | |
755 | gMC->Gsatt("DW21","seen",0); | |
756 | gMC->Gsatt("DV21","seen",0); | |
757 | gMC->Gsatt("DP11","seen",0); | |
758 | gMC->Gsatt("DP12","seen",0); | |
759 | gMC->Gsatt("DS11","seen",1); | |
760 | gMC->Gsatt("DS12","seen",1); | |
761 | gMC->Gsatt("DW11","seen",0); | |
762 | gMC->Gsatt("DV11","seen",0); | |
763 | gMC->Gsatt("DP13","seen",0); | |
764 | gMC->Gsatt("DP14","seen",0); | |
765 | gMC->Gsatt("DS13","seen",1); | |
766 | gMC->Gsatt("DS14","seen",1); | |
767 | gMC->Gsatt("DW12","seen",0); | |
768 | gMC->Gsatt("DV12","seen",0); | |
769 | gMC->Gsatt("DP15","seen",0); | |
770 | gMC->Gsatt("DP16","seen",0); | |
771 | gMC->Gsatt("DS15","seen",1); | |
772 | gMC->Gsatt("DS16","seen",1); | |
773 | gMC->Gsatt("DW13","seen",0); | |
774 | gMC->Gsatt("DV13","seen",0); | |
775 | gMC->Gsatt("DPPB","seen",1); | |
776 | gMC->Gsatt("DPW ","seen",1); | |
777 | gMC->Gsatt("DPFE","seen",1); | |
778 | gMC->Gsatt("DM21","seen",1); | |
779 | gMC->Gsatt("DM11","seen",1); | |
780 | gMC->Gsatt("DM12","seen",1); | |
781 | gMC->Gsatt("DM13","seen",1); | |
782 | gMC->Gsatt("DPMD","seen",0); | |
783 | gMC->Gsatt("DIQU","seen",0); | |
6edc06da | 784 | // |
cfce8870 | 785 | gMC->Gdopt("hide", "on"); |
786 | gMC->Gdopt("shad", "on"); | |
787 | gMC->Gsatt("*", "fill", 7); | |
788 | gMC->SetClipBox("."); | |
789 | gMC->SetClipBox("*", 0, 3000, -3000, 3000, -6000, 6000); | |
790 | gMC->DefaultRange(); | |
791 | gMC->Gdraw("alic", 40, 30, 0, 22, 15.5, .04, .04); | |
792 | gMC->Gdhead(1111, "Photon Multiplicity Detector Version 1"); | |
793 | gMC->Gdman(17, 5, "MAN"); | |
794 | gMC->Gdopt("hide", "off"); | |
6edc06da | 795 | } |
796 | ||
797 | //_____________________________________________________________________________ | |
798 | void AliPMDv2::CreateMaterials() | |
799 | { | |
800 | // | |
801 | // Create materials for the PMD version 1 | |
802 | // | |
803 | // ORIGIN : Y. P. VIYOGI | |
804 | // | |
805 | ||
6edc06da | 806 | // --- The Argon- CO2 mixture --- |
807 | Float_t ag[2] = { 39.95 }; | |
808 | Float_t zg[2] = { 18. }; | |
809 | Float_t wg[2] = { .8,.2 }; | |
810 | Float_t dar = .001782; // --- Ar density in g/cm3 --- | |
811 | // --- CO2 --- | |
812 | Float_t ac[2] = { 12.,16. }; | |
813 | Float_t zc[2] = { 6.,8. }; | |
814 | Float_t wc[2] = { 1.,2. }; | |
815 | Float_t dc = .001977; | |
816 | Float_t dco = .002; // --- CO2 density in g/cm3 --- | |
817 | ||
818 | Float_t absl, radl, a, d, z; | |
819 | Float_t dg; | |
820 | Float_t x0ar; | |
821 | Float_t buf[1]; | |
822 | Int_t nbuf; | |
823 | ||
ad51aeb0 | 824 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da | 825 | Int_t isxfld = gAlice->Field()->Integ(); |
826 | Float_t sxmgmx = gAlice->Field()->Max(); | |
827 | ||
828 | // --- Define the various materials for GEANT --- | |
829 | AliMaterial(1, "Pb $", 207.19, 82., 11.35, .56, 18.5); | |
830 | x0ar = 19.55 / dar; | |
831 | AliMaterial(2, "Argon$", 39.95, 18., dar, x0ar, 6.5e4); | |
832 | AliMixture(3, "CO2 $", ac, zc, dc, -2, wc); | |
833 | AliMaterial(4, "Al $", 26.98, 13., 2.7, 8.9, 18.5); | |
834 | AliMaterial(6, "Fe $", 55.85, 26., 7.87, 1.76, 18.5); | |
835 | AliMaterial(7, "W $", 183.85, 74., 19.3, .35, 10.3); | |
836 | AliMaterial(8, "G10 $", 20., 10., 1.7, 19.4, 999); | |
837 | AliMaterial(9, "SILIC$", 28.09, 14., 2.33, 9.36, 45.); | |
838 | AliMaterial(10, "Be $", 9.01, 4., 1.848, 35.3, 36.7); | |
839 | AliMaterial(15, "Cu $", 63.54, 29., 8.96, 1.43, 15.); | |
840 | AliMaterial(16, "C $", 12.01, 6., 2.265, 18.8, 49.9); | |
841 | ||
842 | AliMaterial(96, "MYLAR$", 8.73, 4.55, 1.39, 28.7, 62.); | |
843 | AliMaterial(97, "CONCR$", 20., 10., 2.5, 10.7, 40.); | |
844 | AliMaterial(98, "Vacum$", 1e-9, 1e-9, 1e-9, 1e16, 1e16); | |
845 | AliMaterial(99, "Air $", 14.61, 7.3, .0012, 30420., 67500.); | |
846 | ||
847 | // define gas-mixtures | |
848 | ||
849 | char namate[21]; | |
cfce8870 | 850 | gMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf); |
6edc06da | 851 | ag[1] = a; |
852 | zg[1] = z; | |
853 | dg = (dar * 4 + dco) / 5; | |
854 | AliMixture(5, "ArCO2$", ag, zg, dg, 2, wg); | |
855 | ||
856 | // Define tracking media | |
ad51aeb0 | 857 | AliMedium(1, "Pb conv.$", 1, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); |
858 | AliMedium(7, "W conv.$", 7, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
859 | AliMedium(8, "G10plate$", 8, 0, 0, isxfld, sxmgmx, 1., .1, .01, .1); | |
860 | AliMedium(4, "Al $", 4, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
861 | AliMedium(6, "Fe $", 6, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
862 | AliMedium(5, "ArCO2 $", 5, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); | |
863 | AliMedium(9, "SILICON $", 9, 1, 0, isxfld, sxmgmx, .1, .1, .1, .1); | |
864 | AliMedium(10, "Be $", 10, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
865 | AliMedium(98, "Vacuum $", 98, 0, 0, isxfld, sxmgmx, 1., .1, .1, 10); | |
866 | AliMedium(99, "Air gaps$", 99, 0, 0, isxfld, sxmgmx, 1., .1, .1, .1); | |
867 | AliMedium(15, "Cu $", 15, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
868 | AliMedium(16, "C $", 16, 0, 0, isxfld, sxmgmx, .1, .1, .01, .1); | |
6edc06da | 869 | |
870 | // --- Generate explicitly delta rays in the iron, aluminium and lead --- | |
cfce8870 | 871 | gMC->Gstpar(idtmed[600], "LOSS", 3.); |
872 | gMC->Gstpar(idtmed[600], "DRAY", 1.); | |
6edc06da | 873 | |
cfce8870 | 874 | gMC->Gstpar(idtmed[603], "LOSS", 3.); |
875 | gMC->Gstpar(idtmed[603], "DRAY", 1.); | |
6edc06da | 876 | |
cfce8870 | 877 | gMC->Gstpar(idtmed[604], "LOSS", 3.); |
878 | gMC->Gstpar(idtmed[604], "DRAY", 1.); | |
6edc06da | 879 | |
cfce8870 | 880 | gMC->Gstpar(idtmed[605], "LOSS", 3.); |
881 | gMC->Gstpar(idtmed[605], "DRAY", 1.); | |
6edc06da | 882 | |
cfce8870 | 883 | gMC->Gstpar(idtmed[606], "LOSS", 3.); |
884 | gMC->Gstpar(idtmed[606], "DRAY", 1.); | |
6edc06da | 885 | |
cfce8870 | 886 | gMC->Gstpar(idtmed[607], "LOSS", 3.); |
887 | gMC->Gstpar(idtmed[607], "DRAY", 1.); | |
6edc06da | 888 | |
889 | // --- Energy cut-offs in the Pb and Al to gain time in tracking --- | |
890 | // --- without affecting the hit patterns --- | |
cfce8870 | 891 | gMC->Gstpar(idtmed[600], "CUTGAM", 1e-4); |
892 | gMC->Gstpar(idtmed[600], "CUTELE", 1e-4); | |
893 | gMC->Gstpar(idtmed[600], "CUTNEU", 1e-4); | |
894 | gMC->Gstpar(idtmed[600], "CUTHAD", 1e-4); | |
895 | gMC->Gstpar(idtmed[605], "CUTGAM", 1e-4); | |
896 | gMC->Gstpar(idtmed[605], "CUTELE", 1e-4); | |
897 | gMC->Gstpar(idtmed[605], "CUTNEU", 1e-4); | |
898 | gMC->Gstpar(idtmed[605], "CUTHAD", 1e-4); | |
899 | gMC->Gstpar(idtmed[606], "CUTGAM", 1e-4); | |
900 | gMC->Gstpar(idtmed[606], "CUTELE", 1e-4); | |
901 | gMC->Gstpar(idtmed[606], "CUTNEU", 1e-4); | |
902 | gMC->Gstpar(idtmed[606], "CUTHAD", 1e-4); | |
903 | gMC->Gstpar(idtmed[603], "CUTGAM", 1e-4); | |
904 | gMC->Gstpar(idtmed[603], "CUTELE", 1e-4); | |
905 | gMC->Gstpar(idtmed[603], "CUTNEU", 1e-4); | |
906 | gMC->Gstpar(idtmed[603], "CUTHAD", 1e-4); | |
907 | gMC->Gstpar(idtmed[609], "CUTGAM", 1e-4); | |
908 | gMC->Gstpar(idtmed[609], "CUTELE", 1e-4); | |
909 | gMC->Gstpar(idtmed[609], "CUTNEU", 1e-4); | |
910 | gMC->Gstpar(idtmed[609], "CUTHAD", 1e-4); | |
6edc06da | 911 | |
912 | // --- Prevent particles stopping in the gas due to energy cut-off --- | |
cfce8870 | 913 | gMC->Gstpar(idtmed[604], "CUTGAM", 1e-5); |
914 | gMC->Gstpar(idtmed[604], "CUTELE", 1e-5); | |
915 | gMC->Gstpar(idtmed[604], "CUTNEU", 1e-5); | |
916 | gMC->Gstpar(idtmed[604], "CUTHAD", 1e-5); | |
917 | gMC->Gstpar(idtmed[604], "CUTMUO", 1e-5); | |
6edc06da | 918 | } |
919 | ||
920 | //_____________________________________________________________________________ | |
921 | void AliPMDv2::Init() | |
922 | { | |
923 | // | |
924 | // Initialises PMD detector after it has been built | |
925 | // | |
926 | Int_t i; | |
927 | kdet=1; | |
928 | // | |
929 | printf("\n"); | |
930 | for(i=0;i<35;i++) printf("*"); | |
931 | printf(" PMD_INIT "); | |
932 | for(i=0;i<35;i++) printf("*"); | |
933 | printf("\n"); | |
934 | printf(" PMD simulation package initialised\n"); | |
935 | printf(" parameters of pmd\n"); | |
936 | printf("%6d %10.2f %10.2f %10.2f %10.2f %10.2f\n",kdet,thmin,thmax,zdist,thlow,thhigh); | |
937 | // | |
938 | for(i=0;i<80;i++) printf("*"); | |
939 | printf("\n"); | |
940 | // | |
ad51aeb0 | 941 | Int_t *idtmed = fIdtmed->GetArray()-599; |
6edc06da | 942 | fMedSens=idtmed[605-1]; |
943 | } | |
944 | ||
945 | //_____________________________________________________________________________ | |
946 | void AliPMDv2::StepManager() | |
947 | { | |
948 | // | |
949 | // Called at each step in the PMD | |
950 | // | |
951 | Int_t copy; | |
952 | Float_t hits[4], destep; | |
953 | Float_t center[3] = {0,0,0}; | |
954 | Int_t vol[5]; | |
955 | Text_t namep[5]; | |
956 | ||
cfce8870 | 957 | if(gMC->GetMedium() == fMedSens && (destep = gMC->Edep())) { |
6edc06da | 958 | |
cfce8870 | 959 | gMC->CurrentVol(namep, copy); |
6edc06da | 960 | vol[0]=copy; |
cfce8870 | 961 | gMC->CurrentVolOff(1,namep,copy); |
6edc06da | 962 | vol[1]=copy; |
cfce8870 | 963 | gMC->CurrentVolOff(2,namep,copy); |
6edc06da | 964 | vol[2]=copy; |
965 | if(strncmp(namep,"DW11",4))vol[2]=1; | |
966 | if(strncmp(namep,"DV11",4))vol[2]=2; | |
cfce8870 | 967 | gMC->CurrentVolOff(3,namep,copy); |
6edc06da | 968 | vol[3]=copy; |
cfce8870 | 969 | gMC->CurrentVolOff(4,namep,copy); |
6edc06da | 970 | vol[4]=copy; |
cfce8870 | 971 | gMC->Gdtom(center,hits,1); |
6edc06da | 972 | hits[3] = destep*1e9; //Number in eV |
973 | AddHit(gAlice->CurrentTrack(), vol, hits); | |
974 | } | |
975 | } |