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Commit | Line | Data |
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642b80f3 | 1 | void Config() |
2 | { | |
3 | ||
4 | // | |
5 | // Set Random Number seed | |
6 | TDatime dt; | |
7 | UInt_t curtime=dt.Get(); | |
8 | UInt_t procid=gSystem->GetPid(); | |
9 | UInt_t seed=curtime-procid; | |
10 | ||
11 | gRandom->SetSeed(seed); | |
12 | cerr<<"Seed for random number generation= "<<seed<<endl; | |
13 | ||
c8921088 | 14 | // libraries required by geant321 |
15 | gSystem->Load("libgeant321"); | |
16 | ||
b9d0a01d | 17 | new TGeant3("C++ Interface to Geant3"); |
642b80f3 | 18 | |
19 | //======================================================================= | |
20 | // Create the output file | |
21 | ||
22 | TFile *rootfile = new TFile("galice.root","recreate"); | |
23 | rootfile->SetCompressionLevel(2); | |
642b80f3 | 24 | // |
25 | // Set External decayer | |
26 | AliDecayer* decayer = new AliDecayerPythia(); | |
27 | decayer->SetForceDecay(kAll); | |
28 | decayer->Init(); | |
29 | gMC->SetExternalDecayer(decayer); | |
30 | ||
642b80f3 | 31 | |
642b80f3 | 32 | // |
33 | //======================================================================= | |
34 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
35 | // --- Specify event type to be tracked through the ALICE setup | |
36 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
6a3df6c9 | 37 | |
38 | gMC->SetProcess("DCAY",1); | |
39 | gMC->SetProcess("PAIR",1); | |
40 | gMC->SetProcess("COMP",1); | |
41 | gMC->SetProcess("PHOT",1); | |
42 | gMC->SetProcess("PFIS",0); | |
43 | gMC->SetProcess("DRAY",0); | |
44 | gMC->SetProcess("ANNI",1); | |
45 | gMC->SetProcess("BREM",1); | |
46 | gMC->SetProcess("MUNU",1); | |
47 | gMC->SetProcess("CKOV",1); | |
48 | gMC->SetProcess("HADR",1); | |
49 | gMC->SetProcess("LOSS",2); | |
50 | gMC->SetProcess("MULS",1); | |
51 | gMC->SetProcess("RAYL",1); | |
52 | ||
53 | Float_t cut = 1.e-3; // 1MeV cut by default | |
54 | Float_t tofmax = 1.e10; | |
55 | ||
56 | gMC->SetCut("CUTGAM", cut); | |
57 | gMC->SetCut("CUTELE", cut); | |
58 | gMC->SetCut("CUTNEU", cut); | |
59 | gMC->SetCut("CUTHAD", cut); | |
60 | gMC->SetCut("CUTMUO", cut); | |
61 | gMC->SetCut("BCUTE", cut); | |
62 | gMC->SetCut("BCUTM", cut); | |
63 | gMC->SetCut("DCUTE", cut); | |
64 | gMC->SetCut("DCUTM", cut); | |
65 | gMC->SetCut("PPCUTM", cut); | |
66 | gMC->SetCut("TOFMAX", tofmax); | |
67 | ||
68 | ||
642b80f3 | 69 | // AliGenPythia *gener = new AliGenPythia(ntracks); |
70 | AliGenPythia *gener = new AliGenPythia(-1); | |
71 | ||
72 | gener->SetMomentumRange(0,999); | |
0ac28de4 | 73 | gener->SetPhiRange(0.,360.); |
642b80f3 | 74 | gener->SetThetaRange(0,180); |
75 | gener->SetYRange(-999,999); | |
76 | //gener->SetPtRange(0,100); | |
77 | gener->SetOrigin(0,0,0); // vertex position | |
78 | //gener->SetVertexSmear(kPerEvent); | |
79 | gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position | |
80 | gener->SetTrackingFlag(0); | |
81 | // gener->SetForceDecay(kHadronicD); | |
82 | ||
83 | // | |
84 | // The following settings select the Pythia parameters tuned to agree | |
85 | // with beauty NLO calculation for Pb-Pb @ 5.5 TeV with MNR code. | |
86 | // | |
87 | gener->SetProcess(kPyBeautyPbMNR); | |
88 | gener->SetStrucFunc(kCTEQ4L); | |
89 | gener->SetPtHard(2.75,-1.0); | |
90 | gener->SetEnergyCMS(5500.); | |
91 | gener->SetNuclei(208,208); // Pb-Pb collisions | |
92 | // Force no decay heavy quark mesons | |
93 | gener->SetForceDecay(kNoDecayHeavy); | |
94 | ||
95 | gener->Init(); | |
96 | // | |
97 | // Activate this line if you want the vertex smearing to happen | |
98 | // track by track | |
99 | // | |
100 | //gener->SetVertexSmear(perTrack); | |
101 | ||
102 | // Field (L3 0.4 T) | |
103 | AliMagFCM* field = new AliMagFCM( | |
104 | "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.); | |
105 | field->SetSolenoidField(4.); | |
106 | gAlice->SetField(field); | |
107 | ||
108 | Int_t iABSO=0; | |
b9d0a01d | 109 | Int_t iCRT=0; |
642b80f3 | 110 | Int_t iDIPO=0; |
111 | Int_t iFMD=0; | |
112 | Int_t iFRAME=0; | |
113 | Int_t iHALL=0; | |
114 | Int_t iITS=0; | |
115 | Int_t iMAG=0; | |
116 | Int_t iMUON=0; | |
117 | Int_t iPHOS=0; | |
118 | Int_t iPIPE=0; | |
119 | Int_t iPMD=0; | |
120 | Int_t iRICH=0; | |
121 | Int_t iSHIL=0; | |
122 | Int_t iSTART=0; | |
123 | Int_t iTOF=0; | |
124 | Int_t iTPC=0; | |
125 | Int_t iTRD=0; | |
126 | Int_t iZDC=0; | |
127 | ||
128 | //=================== Alice BODY parameters ============================= | |
129 | AliBODY *BODY = new AliBODY("BODY","Alice envelop"); | |
130 | ||
131 | if(iMAG) { | |
132 | //=================== MAG parameters ============================ | |
133 | // --- Start with Magnet since detector layouts may be depending --- | |
134 | // --- on the selected Magnet dimensions --- | |
135 | AliMAG *MAG = new AliMAG("MAG","Magnet"); | |
136 | } | |
137 | ||
138 | ||
139 | if(iABSO) { | |
140 | //=================== ABSO parameters ============================ | |
141 | AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber"); | |
142 | } | |
143 | ||
144 | if(iDIPO) { | |
145 | //=================== DIPO parameters ============================ | |
146 | ||
147 | AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2"); | |
148 | } | |
149 | ||
150 | if(iHALL) { | |
151 | //=================== HALL parameters ============================ | |
152 | ||
153 | AliHALL *HALL = new AliHALL("HALL","Alice Hall"); | |
154 | } | |
155 | ||
156 | ||
157 | if(iFRAME) { | |
158 | //=================== FRAME parameters ============================ | |
159 | ||
160 | AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame"); | |
161 | ||
162 | } | |
163 | ||
164 | if(iSHIL) { | |
165 | //=================== SHIL parameters ============================ | |
166 | ||
e0559846 | 167 | AliSHIL *SHIL = new AliSHILv2("SHIL","Shielding"); |
642b80f3 | 168 | } |
169 | ||
170 | ||
171 | if(iPIPE) { | |
172 | //=================== PIPE parameters ============================ | |
173 | ||
174 | AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe"); | |
175 | } | |
176 | ||
177 | ||
178 | if(iITS) { | |
179 | ||
180 | //=================== ITS parameters ============================ | |
181 | // | |
182 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
183 | // almost all other detectors. This involves the fact that the ITS geometry | |
184 | // still has several options to be followed in parallel in order to determine | |
185 | // the best set-up which minimizes the induced background. All the geometries | |
186 | // available to date are described in the following. Read carefully the comments | |
187 | // and use the default version (the only one uncommented) unless you are making | |
188 | // comparisons and you know what you are doing. In this case just uncomment the | |
189 | // ITS geometry you want to use and run Aliroot. | |
190 | // | |
191 | // Detailed geometries: | |
192 | // | |
193 | // | |
194 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); | |
195 | // | |
196 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
197 | // | |
198 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); | |
199 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
200 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
201 | ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
202 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300] | |
203 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300] | |
204 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [100,300] | |
205 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [100,300] | |
206 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
207 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
208 | // | |
209 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); | |
210 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
211 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
212 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer | |
213 | //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [150,300] | |
214 | //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [150,300] | |
215 | //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [100,300] | |
216 | //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [100,300] | |
217 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
218 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
219 | // | |
220 | // | |
221 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
222 | // for reconstruction !): | |
223 | // | |
224 | // | |
225 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
226 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
227 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
228 | // | |
229 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
230 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out | |
231 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
232 | // | |
233 | // | |
234 | // | |
235 | // Geant3 <-> EUCLID conversion | |
236 | // ============================ | |
237 | // | |
238 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
239 | // media to two ASCII files (called by default ITSgeometry.euc and | |
240 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
241 | // The default (=0) means that you dont want to use this facility. | |
242 | // | |
243 | ITS->SetEUCLID(0); | |
244 | } | |
245 | ||
246 | ||
247 | if(iTPC) { | |
248 | //============================ TPC parameters ================================ | |
249 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
250 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
251 | // --- sectors are specified, any value other than that requires at least one | |
252 | // --- sector (lower or upper)to be specified! | |
253 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
254 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
255 | // --- SecLows - number of lower sectors specified (up to 6) | |
256 | // --- SecUps - number of upper sectors specified (up to 12) | |
257 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
258 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
259 | // --- if SecAL or SecAU < 0 | |
260 | // | |
261 | // | |
262 | //----------------------------------------------------------------------------- | |
263 | ||
264 | // gROOT->LoadMacro("SetTPCParam.C"); | |
265 | // AliTPCParam *param = SetTPCParam(); | |
266 | AliTPC *TPC = new AliTPCv2("TPC","Default"); | |
267 | // All sectors included | |
268 | TPC->SetSecAL(-1); | |
269 | TPC->SetSecAU(-1); | |
270 | ||
271 | } | |
272 | ||
273 | ||
274 | if(iTOF) { | |
275 | //=================== TOF parameters ============================ | |
276 | AliTOF *TOF = new AliTOFv2("TOF","normal TOF"); | |
277 | } | |
278 | ||
279 | if(iRICH) { | |
280 | //=================== RICH parameters =========================== | |
281 | AliRICH *RICH = new AliRICHv1("RICH","normal RICH"); | |
282 | ||
283 | } | |
284 | ||
285 | ||
286 | if(iZDC) { | |
287 | //=================== ZDC parameters ============================ | |
288 | ||
289 | AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC"); | |
290 | } | |
291 | ||
b9d0a01d | 292 | if(iCRT) { |
293 | //=================== CRT parameters ============================ | |
642b80f3 | 294 | |
b9d0a01d | 295 | AliCRT *CRT = new AliCRTv1("CRT","normal CRT"); |
642b80f3 | 296 | } |
297 | ||
298 | if(iTRD) { | |
299 | //=================== TRD parameters ============================ | |
300 | ||
301 | AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator"); | |
302 | ||
303 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
304 | TRD->SetGasMix(1); | |
305 | ||
306 | // With hole in front of PHOS | |
307 | TRD->SetPHOShole(); | |
308 | // With hole in front of RICH | |
309 | TRD->SetRICHhole(); | |
310 | // Switch on TR | |
311 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
312 | } | |
313 | ||
314 | if(iFMD) { | |
315 | //=================== FMD parameters ============================ | |
316 | ||
317 | AliFMD *FMD = new AliFMDv0("FMD","normal FMD"); | |
318 | } | |
319 | ||
320 | if(iMUON) { | |
321 | //=================== MUON parameters =========================== | |
322 | AliMUON *MUON = new AliMUONv1("MUON","default"); | |
323 | } | |
324 | ||
325 | //=================== PHOS parameters =========================== | |
326 | ||
327 | if(iPHOS) { | |
328 | AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2"); | |
329 | } | |
330 | ||
331 | ||
332 | if(iPMD) { | |
333 | //=================== PMD parameters ============================ | |
334 | ||
335 | AliPMD *PMD = new AliPMDv1("PMD","normal PMD"); | |
336 | PMD->SetPAR(1., 1., 0.8, 0.02); | |
337 | PMD->SetIN(6., 18., -580., 27., 27.); | |
338 | PMD->SetGEO(0.0, 0.2, 4.); | |
339 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); | |
340 | ||
341 | } | |
342 | ||
343 | if(iSTART) { | |
344 | //=================== START parameters ============================ | |
345 | AliSTART *START = new AliSTARTv1("START","START Detector"); | |
346 | } | |
347 | ||
348 | ||
349 | } |