User correct weight for atomes making up Al2O3
[u/mrichter/AliRoot.git] / START / AliSTARTv1.cxx
CommitLineData
6ca40650 1/////////////////////////////////////////////////////////////////////
2// //
3// START ( T-zero) detector version 0 //
4//
5//Begin Html
6/*
7<img src="gif/AliSTARTv0Class.gif">
8*/
9//End Html
10// //
11// //
12//////////////////////////////////////////////////////////////////////
13
14#include <TMath.h>
15#include <TGeometry.h>
16#include <TTUBE.h>
17#include <TNode.h>
18
19#include "AliSTARTv0.h"
20#include "AliRun.h"
21#include "AliMC.h"
22
23#include <iostream.h>
24#include <fstream.h>
25
26#include "TGeant3.h"
27#include <stdlib.h>
28
29ClassImp(AliSTARTv0)
30
31//--------------------------------------------------------------------
32AliSTARTv1::AliSTARTv1(const char *name, const char *title):
33 AliSTART(name,title)
34{
35 //
36 // Standart constructor for START Detector version 0
37 //
38 fIdSens1=0;
39// setBufferSize(128000);
40}
41//-------------------------------------------------------------------------
42void AliSTARTv1::CreateGeometry()
43{
44 //
45 // Create the geometry of START Detector version 0
46 //
47 // begin Html
48 /*
49 <img src="gif/AliSTARTv0.gif">
50 */
51 //
52
53 AliMC* pMC = AliMC::GetMC();
54
55 Int_t *idtmed = gAlice->Idtmed();
56
57 Int_t is;
58 Int_t idrotm[999];
59 Float_t x,y,z;
60
61 Float_t pstart[3]={5.,10.2,5.3};
62 // Float_t pscin[3]={0.,2.54/2.,1.5};
63 Float_t ppmt[3]={0.,1.3,3.5};
64 Float_t pdivider[3]={0.,1.2,1.75};
65 Float_t pdiv2[3]={0.,1.2,1.25};
66 Float_t pdiv1[3]={0.6,1.2,0.5};
67 Float_t ptop[3]={0.,1.3,1.5};
68 Float_t pbot[3]={0.6,1.2,0.1};
69 Float_t pglass[3]={1.2,1.3,2.};
70 Float_t pcer[3]={0.9,1.1,0.09};
71 Float_t psteel[3]={0.9,1.1,0.01};
72 Float_t ppins[3]={0.6,1.2,0.014};
73 Float_t phole[3]={0.6,1.2,0.015};
74 Float_t pknob[3]={0.5,0.6,0.4};
75 Float_t pknob_vac[3]={0.,0.5,0.4};
76 Float_t pknob_bot[3]={0.,0.6,0.05};
77 Float_t pribber[3] = {0.,1.2,2.413/2.};
78 Float_t presist[3] = {0.,1.2,0.087/2.};
79
80 Float_t zdet=75.;
81 //-------------------------------------------------------------------
82 // START volume
83 //-------------------------------------------------------------------
84
85 AliMatrix(idrotm[901], 90., 0., 90., 90., 180., 0.);
86 pMC->Gsvolu("STRT","TUBE",idtmed[2101-1],pstart,3);
87 pMC->Gspos("STRT",1,"ALIC",0.,0.,zdet,0,"ONLY");
88 pMC->Gspos("STRT",2,"ALIC",0.,0.,-zdet,idrotm[901],"ONLY");
89
90//START interior
91 // pMC->Gsvolu("SCIN","TUBE",idtmed[2102-1],pscin,3);
92 pMC->Gsvolu("PMT ","TUBE",idtmed[2103-1],ppmt,3);
93 pMC->Gsvolu("DIVI","TUBE",idtmed[2103-1],pdivider,3);
94
95// first ring: 13 units of Scintillator+PMT+divider
96 for (is=1; is<=13; is++)
97 {
98 x=6*TMath::Sin(is*2*3.1415/13);
99 y=6*TMath::Cos(is*2*3.1415/13);
100 z=-pstart[2]+ppmt[2];
101 printf(" is %d, z PMT %f\n",is,z);
102 // pMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
103 // z=z+pscin[2]+ppmt[2];
104 pMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
105 z=ppmt[2]+pdivider[2];
106 printf(" is %d, z Divider %f\n",is,z);
107 pMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
108 }
109//second ring: 20 units of Scintillator+PMT+divider
110 for (is=14; is<=33;is++)
111 {
112 x=8.8*TMath::Sin(2.*3.1415/26+(is-13)*2*3.1415/20);
113 y=8.8*TMath::Cos(2.*3.1315/26+(is-13)*2*3.1415/20);
114 z=-pstart[2]+ppmt[2];
115 // pMC->Gspos("SCIN",is,"STRT",x,y,z,0,"ONLY");
116 //z=z+pscin[2]+ppmt[2];
117 pMC->Gspos("PMT ",is,"STRT",x,y,z,0,"ONLY");
118 z=ppmt[2]+pdiv2[2];
119 pMC->Gspos("DIVI",is,"STRT",x,y,z,0,"ONLY");
120 }
121// PMT
122
123// Entry window (glass)
124 pMC->Gsvolu("PTOP","TUBE",idtmed[2106-1],ptop,3);
125 z=-ppmt[2]+ptop[2];
126 pMC->Gspos("PTOP",1,"PMT ",0,0,z,0,"ONLY");
127 printf("Z PTOP %f -ppmt[2] %f ptop[2] %f\n",z,-ppmt[2],ptop[2]);
128// Bottom glass
129 pMC->Gsvolu("PBOT","TUBE",idtmed[2106-1],pbot,3);
130 z=ppmt[2]-pbot[2];
131 printf("Z bottom %f\n",z);
132 pMC->Gspos("PBOT",1,"PMT ",0,0,z,0,"ONLY");
133// Side cylinder glass
134 pMC->Gsvolu("POUT","TUBE",idtmed[2106-1],pglass,3);
135 z=ppmt[2]-pglass[2];
136 printf("Z glass %f\n",z);
137 pMC->Gspos("POUT",1,"PMT ",0,0,z,0,"ONLY");
138//PMT electrodes support structure
139 pMC->Gsvolu("PCER","TUBE",idtmed[2104-1],pcer,3);
140 pMC->Gsvolu("PSTE","TUBE",idtmed[2108-1],psteel,3);
141 z=-ppmt[2]+2*ptop[2]+0.3;;
142 printf("Z Cer 1 %f\n",z);
143 for (is=1; is<=15; is++)
144 {
145 z=z+psteel[2]+pcer[2];
146 pMC->Gspos("PCER",is,"PMT",0,0,z,0,"ONLY");
147 z=z+psteel[2]+pcer[2];
148 pMC->Gspos("PSTE",is,"PMT",0,0,z,0,"ONLY");
149 }
150
151// Divider
152// Knob at the bottom of PMT baloon
153 pMC->Gsvolu("KNOB","TUBE",idtmed[2106-1],pknob,3);
154 z=-pdivider[2]+pknob[2];
155// printf("zknob %f\n",z);
156 pMC->Gspos("KNOB",1,"DIVI",0,0,z,0,"ONLY");
157 pMC->Gsvolu("KNBO","TUBE",idtmed[2106-1],pknob_bot,3);
158 z=-pdivider[2]+2*pknob[2]+pknob_bot[2];
159// printf("knobbot %f\n",z);
160 pMC->Gspos("KNBO",1,"DIVI ",0,0,z,0,"ONLY");
161 pMC->Gsvolu("KNVA","TUBE",idtmed[2106-1],pknob_vac,3);
162 z=-pdivider[2]+pknob_vac[2];
163// printf("knobvac %f\n",z);
164 pMC->Gspos("KNVA",1,"DIVI",0,0,z,0,"ONLY");
165 //Steel pins + pin holes
166 pMC->Gsvolu("PINS","TUBE",idtmed[2108-1],ppins,3);
167 z=-pdivider[2]+ppins[2];
168 pMC->Gspos("PINS",1,"DIVI",0,0,z,0,"ONLY");
169 pMC->Gsvolu("HOLE","TUBE",idtmed[2111-1],phole,3);
170 z=-pdivider[2]+2*ppins[2]+phole[2];
171 pMC->Gspos("HOLE",1,"DIVI",0,0,z,0,"ONLY");
172
173//Socket
174 pMC->Gsvolu("DIV1","TUBE",idtmed[2104-1],pdiv1,3);
175 z=-pdivider[2]+pdiv1[2];
176 pMC->Gspos("DIV1",1,"DIVI",0,0,z,0,"ONLY");
177//Resistors
178 pMC->Gsvolu("DIV2","TUBE",idtmed[2101-1],pdiv2,3);
179 z=pdivider[2]-pdiv2[2];
180 pMC->Gspos("DIV2",1,"DIVI",0,0,z,0,"ONLY");
181 pMC->Gsvolu("DRES","TUBE",idtmed[2104-1],presist,3);
182 z=-pdiv2[2]+presist[2];
183 pMC->Gspos("DRES",1,"DIV2",0,0,z,0,"ONLY");
184 pMC->Gsvolu("DRIB","TUBE",idtmed[2109-1],pribber,3);
185 z=pdiv2[2]-pribber[2];
186 pMC->Gspos("DRIB",1,"DIV2",0,0,z,0,"ONLY");
187 printf("z DRIB %f\n",z);
188
189}
190//------------------------------------------------------------------------
191void AliSTARTv1::CreateMaterials()
192{
193 Int_t ISXFLD = gAlice->Field()->Integ();
194 Float_t SXMGMX = gAlice->Field()->Max();
195 Float_t a,z,d,radl,absl,buf[1];
196 Int_t nbuf;
197
198// Scintillator CH
199 // Float_t ascin[2]={1.01,12.01};
200 // Float_t zscin[2]={1,6};
201 // Float_t wscin[2]={1,1};
202 // Float_t denscin=1.03;
203// PMT glass SiO2
204 Float_t aglass[2]={28.0855,15.9994};
205 Float_t zglass[2]={14.,8.};
206 Float_t wglass[2]={1.,2.};
207 Float_t dglass=2.65;
208// Ceramic 97.2% Al2O3 , 2.8% SiO2
209 Float_t acer[2],zcer[2],wcer[2]={0.972,0.028};
210 Float_t aal2o3[2] = { 26.981539,15.9994 };
211 Float_t zal2o3[2] = { 13.,8. };
212 Float_t wal2o3[2] = { 2.,3. };
213 Float_t denscer = 3.6;
214
215// Brass 80% Cu, 20% Zn
216 Float_t abrass[2] = {63.546,65.39};
217 Float_t zbrass[2] = {29,30};
218 Float_t wbrass[2] = {0.8,0.2};
219 Float_t denbrass=8.96;
220
221//Ribber C6H12S
222 Float_t aribber[3] = {12.,1.,32.};
223 Float_t zribber[3] = {6.,1.,16.};
224 Float_t wribber[3] = {6.,12.,1.};
225 Float_t denribber=0.8;
226
227
228 AliMC* pMC = AliMC::GetMC();
229
230 Int_t *idtmed = gAlice->Idtmed();
231 Int_t imat;
232
233//*** Definition Of avaible START materials ***
234 AliMaterial(0, "START Steel$", 55.850,26.,7.87,1.76,999);
235 AliMaterial(1, "START Vacuum$", 1.e-16,1.e-16,1.e-16,1.e16,999);
236 AliMaterial(2, "START Air$", 14.61, 7.3, .001205, 30423.,999);
237
238 AliMixture( 3, "Al2O3 $", aal2o3, zal2o3, denscer, -2, wcer);
239 AliMixture( 4, "PMT glass $",aglass,zglass,dglass,-2,wglass);
240 char namate[21];
241 pMC->Gfmate((*fIdmate)[3], namate, a, z, d, radl, absl, buf, nbuf);
242 acer[0]=a;
243 zcer[0]=z;
244 pMC->Gfmate((*fIdmate)[4], namate, a, z, d, radl, absl, buf, nbuf);
245 acer[1]=a;
246 zcer[1]=z;
247
248 AliMixture( 9, "Ceramic $", acer, zcer, denscer, 2, wcer);
249 // AliMixture( 5, "Scintillator$",ascin,zscin,denscin,-2,wscin);
250 AliMixture( 6, "Brass $", abrass, zbrass, denbrass, 2, wbrass);
251
252 AliMixture( 7, "Ribber $",aribber,zribber,denribber,-3,wribber);
253
254
255
256//**
257 AliMedium(2101, "START Air$", 2, 0, ISXFLD, SXMGMX, 10., .1, 1., .003, .003);
258 // AliMedium(2102, "Scintillator$", 5, 1, ISXFLD, SXMGMX, 10., .01, 1., .003, .003);
259 AliMedium(2103, "Vacuum$", 1, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
260 AliMedium(2104, "Ceramic$", 9, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
261 AliMedium(2106, "Glass$", 4, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
262 AliMedium(2108, "Steel$", 0, 0, ISXFLD, SXMGMX, 1., .001, 1., .001, .001);
263 AliMedium(2111, "Brass $", 6, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
264 AliMedium(2109, "Ribber $", 7, 0, ISXFLD, SXMGMX, 10., .01, .1, .003, .003);
265
266
267}
268//---------------------------------------------------------------------
269void AliSTARTv1::DrawDetector()
270{
271//
272// Draw a shaded view of the Forward multiplicity detector version 0
273//
274
275AliMC* pMC = AliMC::GetMC();
276
277//Set ALIC mother transparent
278pMC->Gsatt("ALIC","SEEN",0);
279//
280//Set volumes visible
281pMC->Gsatt("STRT","SEEN",0);
282//pMC->Gsatt("SCIN","SEEN",1);
283pMC->Gsatt("PMT ","SEEN",1);
284pMC->Gsatt("DIVI","SEEN",1);
285//
286pMC->Gdopt("hide","on");
287pMC->Gdopt("shad","on");
288pMC->SetClipBox(".");
289pMC->SetClipBox("*",0,1000,-1000,1000,-1000,1000);
290pMC->DefaultRange();
291pMC->Gdraw("alic",40,30,0,12,9.5,.2,0.2);
292pMC->Gdhead(1111,"T-Zero detector");
293pMC->Gdopt("hide","off");
294}
295//-------------------------------------------------------------------
296void AliSTARTv1::Init()
297{
298// Initialises version 0 of the Forward Multiplicity Detector
299//
300AliMC* pMC=AliMC::GetMC();
301//Int_t *idtmed = gAlice->Idtmed();
302AliSTART::Init();
303fIdSens1=pMC->VolId("PTOP");
304printf("*** START version 0 initialized ***\n");
305
306}
307
308//-------------------------------------------------------------------
309
310void AliSTARTv1::StepManager()
311{
312 //
313 // Called for every step in the START Detector
314 //
315 Int_t id,copy,copy1,i;
316 static Float_t hits[7];
317 static Float_t edep;
318 static Int_t vol[2];
319
320 TClonesArray &lhits = *fHits;
321 AliMC* pMC=AliMC::GetMC();
322 TGeant3* geant3= (TGeant3*)pMC;
323
324 if(!pMC->TrackAlive()) return; // particle has disappeared
325 Float_t charge = pMC->TrackCharge();
326 if(TMath::Abs(charge)<=0.) return; //take only charged particles
327 // geant3->Gpcxyz();
328 id=pMC->CurrentVol(0,copy);
329
330
331// printf("igauto %d\n",pMC->ctrak->igauto);
332// printf("pMC->ckine->ipart %d",pMC->ckine->ipart);
333// Check the sensetive volume
334 if(id==fIdSens1 )
335 {
336 if(pMC->TrackEntering())
337 {
338 pMC->CurrentVolOff(2,0,copy);
339 vol[0]=copy;
340 pMC->CurrentVolOff(1,0,copy1);
341 vol[1]=copy1;
342 pMC->TrackPosition(hits);
343 Float_t etot=pMC->Etot();
344// printf("pMC->ctrak->ekin %f\n",pMC->ctrak->Ekin);
345 hits[4]=etot;
346 Int_t part= pMC->TrackPid();
347 hits[5]=part;
348 Float_t ttime=geant3->Gctrak()->tofg;
349 hits[6]=ttime*1e9;
350 edep=0;
351 // Float_t xV=geant3->Gckine()->vert[0];
352 //Float_t yV=geant3->Gckine()->vert[1];
353 //Float_t zV=geant3->Gckine()->vert[2];
354 //Float_t tl=pMC -> TrackLength();
355 // if(hits[6]<2.4){
356 // for (i=0; i<=6; i++){
357 // printf(" HITS on START entr %f\n",hits[i]);}
358 //}
359 }
360 if(pMC->TrackInside())
361 {
362 Float_t de=pMC->Edep();
363 edep=edep+de;
364// printf ("E deposition %f\n",edep);
365// for (i=0; i<=6; i++){
366// printf(" HITS on START inside %f\n",hits[i]); }
367 }
368 if(pMC->TrackExiting())
369 {
370 Float_t de=pMC->Edep();
371 edep=edep+de;
372 hits[3]=edep*1e3;
373 // for (i=0; i<=6; i++){
374 // printf(" HITS on START Exit %f\n",hits[i]); }
375 //for (i=0; i<=1; i++) { printf("START vol %d\n",vol[i]);}
376
377 new(lhits[fNhits++]) AliSTARThit(fIshunt,gAlice->CurrentTrack(),vol,hits); }
378 }
379//---------------------------------------------------------------------
380 }
381 //}
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