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1 | //------------------------------------------------------------// | |
2 | // Class for identification of pions,kaons and protons in ITS // | |
3 | // Prior particles population (probabilities) are taken from // | |
4 | // Hijing event generator. // | |
5 | //------------------------------------------------------------// | |
6 | // #include <stdlib.h> | |
7 | #include "AliITSPid.h" | |
8 | //#include "TMath.h" | |
9 | #include <Riostream.h> | |
10 | #include <TClonesArray.h> | |
11 | #include <TVector.h> | |
12 | #include "AliKalmanTrack.h" | |
13 | #include "AliITSIOTrack.h" | |
14 | #include "AliITStrackV2.h" | |
15 | #include <TF1.h> | |
16 | ||
17 | ClassImp(AliITSPid) | |
18 | ||
19 | ||
20 | AliITSPid::AliITSPid(const AliITSPid &source) : TObject(source), | |
21 | fMxtrs(source.fMxtrs), | |
22 | fTrs(source.fTrs), | |
23 | fWpi(source.fWpi), | |
24 | fWk(source.fWk), | |
25 | fWp(source.fWp), | |
26 | fRpik(source.fRpik), | |
27 | fRppi(source.fRppi), | |
28 | fRpka(source.fRpka), | |
29 | fRp(source.fRp), | |
30 | fPcode(source.fPcode), | |
31 | fSigmin(source.fSigmin), | |
32 | fSilent(source.fSilent), | |
33 | fCutKa(source.fCutKa), | |
34 | fCutPr(source.fCutPr), | |
35 | fggpi(source.fggpi), | |
36 | fggka(source.fggka), | |
37 | fggpr(source.fggpr){ | |
38 | // Copy constructor. This is a function which is not allowed to be | |
39 | ||
40 | ||
41 | } | |
42 | ||
43 | //______________________________________________________________________ | |
44 | AliITSPid& AliITSPid::operator=(const AliITSPid& source){ | |
45 | // Assignment operator. This is a function which is not allowed to be | |
46 | this->~AliITSPid(); | |
47 | new(this) AliITSPid(source); | |
48 | return *this; | |
49 | } | |
50 | ||
51 | // | |
52 | Float_t AliITSPid::Qtrm(Int_t track) { | |
53 | // | |
54 | // This calculates truncated mean signal for given track. | |
55 | // | |
56 | TVector q(*( this->GetVec(track) )); | |
57 | Int_t ml=(Int_t)q(0); | |
58 | if(ml<1)return 0.; | |
59 | if(ml>6)ml=6; | |
60 | float vf[6]; | |
61 | Int_t nl=0; for(Int_t i=0;i<ml;i++){if(q(i)>fSigmin){vf[nl]=q(i+1);nl++;}} | |
62 | if(nl==0)return 0.; | |
63 | switch(nl){ | |
64 | case 1:q(6)=q(1); break; | |
65 | case 2:q(6)=(q(1)+q(2))/2.; break; | |
66 | default: | |
67 | for(int fi=0;fi<2;fi++){ | |
68 | Int_t swap; | |
69 | do{ swap=0; float qmin=vf[fi]; | |
70 | for(int j=fi+1;j<nl;j++) | |
71 | if(qmin>vf[j]){qmin=vf[j];vf[j]=vf[fi];vf[fi]=qmin;swap=1;}; | |
72 | }while(swap==1); | |
73 | } | |
74 | q(6)= (vf[0]+vf[1])/2.; | |
75 | break; | |
76 | } | |
77 | for(Int_t i=0;i<nl;i++){q(i+1)=vf[i];} this->SetVec(track,q); | |
78 | return (q(6)); | |
79 | } | |
80 | ||
81 | Float_t AliITSPid::Qtrm(Float_t qarr[6],Int_t narr) const{ | |
82 | // | |
83 | //This calculates truncated mean signal for given signal set. | |
84 | // | |
85 | Float_t q[6],qm,qmin; | |
86 | Int_t nl,ml; | |
87 | if(narr>0&&narr<7){ml=narr;}else{return 0;}; | |
88 | nl=0; for(Int_t i=0;i<ml;i++){if(qarr[i]>fSigmin){q[nl]=qarr[i];nl++;}} | |
89 | if(nl==0)return 0.; | |
90 | switch(nl){ | |
91 | case 1:qm=q[0]; break; | |
92 | case 2:qm=(q[0]+q[1])/2.; break; | |
93 | default: | |
94 | Int_t swap; | |
95 | for(int fi=0;fi<2;fi++){ | |
96 | do{ swap=0; qmin=q[fi]; | |
97 | for(int j=fi+1;j<nl;j++) | |
98 | if(qmin>q[j]){qmin=q[j];q[j]=q[fi];q[fi]=qmin;swap=1;}; | |
99 | }while(swap==1); | |
100 | } | |
101 | qm= (q[0]+q[1])/2.; | |
102 | break; | |
103 | } | |
104 | return qm; | |
105 | } | |
106 | ||
107 | Int_t AliITSPid::Wpik(Float_t pm,Float_t q){ | |
108 | //Calcutates probabilityes of pions and kaons | |
109 | //Returns particle code for dominant probability. | |
110 | Double_t par[6]; | |
111 | for(int i=0;i<6;i++){par[i]=fGGpi[i]->Eval(pm);} | |
112 | fggpi->SetParameters(par); | |
113 | ||
114 | for(int i=0;i<3;i++){par[i]=fGGka[i]->Eval(pm);} | |
115 | fggka->SetParameters(par); | |
116 | ||
117 | Float_t ppi=fggpi->Eval(q); | |
118 | Float_t pka=fggka->Eval(q); | |
119 | Float_t p=ppi+pka; | |
120 | /* | |
121 | if(!fSilent){ | |
122 | fggka->Print(); | |
123 | fggpi->Print(); | |
124 | if(p>0)cout<<" ppi,pka="<<ppi/p<<" "<<pka/p<<endl; | |
125 | } | |
126 | */ | |
127 | ||
128 | if(p>0){ | |
129 | ppi=ppi/p; | |
130 | pka=pka/p; | |
131 | fWp=0.; fWpi=ppi; fWk=pka; | |
132 | if( pka>ppi){return fPcode=321;}else{return fPcode=211;} | |
133 | }else{return 0;} | |
134 | } | |
135 | //----------------------------------------------------------- | |
136 | Int_t AliITSPid::Wpikp(Float_t pm,Float_t q){ | |
137 | // | |
138 | //Calcutates probabilityes of pions,kaons and protons. | |
139 | //Returns particle code for dominant probability. | |
140 | Double_t par[6]; | |
141 | for(int i=0;i<6;i++){par[i]=fGGpi[i]->Eval(pm);} | |
142 | fggpi->SetParameters(par); | |
143 | ||
144 | for(int i=0;i<3;i++){par[i]=fGGka[i]->Eval(pm);} | |
145 | fggka->SetParameters(par); | |
146 | ||
147 | for(int i=0;i<3;i++){par[i]=fGGpr[i]->Eval(pm);} | |
148 | fggpr->SetParameters(par); | |
149 | ||
150 | Float_t p,ppi,pka,ppr; | |
151 | if( q>(fggpr->GetParameter(1)+fggpr->GetParameter(2)) ) | |
152 | { p=1.0; ppr=1.0; ppi=pka=0.0; | |
153 | }else{ | |
154 | ppi=fggpi->Eval(q); | |
155 | pka=fggka->Eval(q); | |
156 | ppr=fggpr->Eval(q); | |
157 | p=ppi+pka+ppr; | |
158 | } | |
159 | if(p>0){ | |
160 | ppi=ppi/p; | |
161 | pka=pka/p; | |
162 | ppr=ppr/p; | |
163 | fWp=ppr; fWpi=ppi; fWk=pka; | |
164 | //if(!fSilent)cout<<" ppi,pka,ppr="<<ppi<<" "<<pka<<" "<<ppr<<endl; | |
165 | ||
166 | if( ppi>pka&&ppi>ppr ) | |
167 | {return fPcode=211;} | |
168 | else{ if(pka>ppr){return fPcode=321;}else{return fPcode=2212;} | |
169 | } | |
170 | ||
171 | }else{return 0;} | |
172 | } | |
173 | //----------------------------------------------------------- | |
174 | Int_t AliITSPid::GetPcode(TClonesArray* rps,Float_t pm) | |
175 | { | |
176 | //Returns particle code | |
177 | Info("GetPcode","method not implemented - Inputs TClonesArray *%x , Float_t %f",rps,pm); | |
178 | return 0; | |
179 | } | |
180 | //----------------------------------------------------------- | |
181 | Int_t AliITSPid::GetPcode(AliKalmanTrack *track) | |
182 | { | |
183 | //Returns particle code for given track. | |
184 | Double_t xk,par[5]; track->GetExternalParameters(xk,par); | |
185 | Float_t phi=TMath::ASin(par[2]) + track->GetAlpha(); | |
186 | if (phi<-TMath::Pi()) phi+=2*TMath::Pi(); | |
187 | if (phi>=TMath::Pi()) phi-=2*TMath::Pi(); | |
188 | Float_t lam=TMath::ATan(par[3]); | |
189 | Float_t pt1=TMath::Abs(par[4]); | |
190 | Float_t mom=1./(pt1*TMath::Cos(lam)); | |
191 | Float_t dedx=track->GetPIDsignal(); | |
192 | Int_t pcode=GetPcode(dedx/40.,mom); | |
193 | // cout<<"TPCtrack dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; | |
194 | return pcode?pcode:211; | |
195 | } | |
196 | //------------------------------------------------------------ | |
197 | Int_t AliITSPid::GetPcode(AliITSIOTrack *track) | |
198 | { | |
199 | //Returns particle code for given track(V1). | |
200 | Double_t px,py,pz; | |
201 | px=track->GetPx(); | |
202 | py=track->GetPy(); | |
203 | pz=track->GetPz(); | |
204 | Float_t mom=TMath::Sqrt(px*px+py*py+pz*pz); | |
205 | //??????????????????? | |
206 | // Float_t dedx=1.0; | |
207 | Float_t dedx=track->GetdEdx(); | |
208 | //??????????????????? | |
209 | Int_t pcode=GetPcode(dedx,mom); | |
210 | // cout<<"ITSV1 dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; | |
211 | return pcode?pcode:211; | |
212 | } | |
213 | //----------------------------------------------------------- | |
214 | Int_t AliITSPid::GetPcode(AliITStrackV2 *track) | |
215 | { | |
216 | //Returns particle code for given track(V2). | |
217 | if(track==0)return 0; | |
218 | // track->Propagate(track->GetAlpha(),3.,0.1/65.19*1.848,0.1*1.848); | |
219 | track->PropagateTo(3.,0.0028,65.19); | |
220 | //track->PropagateToVertex(); Not needed. (I.B.) | |
221 | Double_t xk,par[5]; track->GetExternalParameters(xk,par); | |
222 | Float_t lam=TMath::ATan(par[3]); | |
223 | Float_t pt1=TMath::Abs(par[4]); | |
224 | Float_t mom=0.; | |
225 | if( (pt1*TMath::Cos(lam))!=0. ){ mom=1./(pt1*TMath::Cos(lam)); }else{mom=0.;}; | |
226 | Float_t dedx=track->GetdEdx(); | |
227 | // cout<<"lam,pt1,mom,dedx="<<lam<<","<<pt1<<","<<mom<<","<<dedx<<endl; | |
228 | Int_t pcode=GetPcode(dedx,mom); | |
229 | // cout<<"ITS V2 dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; | |
230 | return pcode?pcode:211; | |
231 | } | |
232 | //----------------------------------------------------------- | |
233 | Int_t AliITSPid::GetPcode(Float_t q,Float_t pm) | |
234 | { | |
235 | //Returns particle code for given signal and momentum. | |
236 | fWpi=fWk=fWp=0.; fPcode=0; | |
237 | ||
238 | if ( pm<=0.400 ) | |
239 | { if( q<fCutKa->Eval(pm) ) | |
240 | {return Pion();} | |
241 | else{ if( q<fCutPr->Eval(pm) ) | |
242 | {return Kaon();} | |
243 | else{return Proton();} | |
244 | } | |
245 | } | |
246 | if ( pm<=0.750 ){ | |
247 | if ( q>fCutPr->Eval(pm) ){ | |
248 | return Proton(); | |
249 | } | |
250 | else { | |
251 | return Wpik(pm,q); | |
252 | } | |
253 | } | |
254 | if( pm<=1.10 ){ return Wpikp(pm,q); } | |
255 | return fPcode; | |
256 | } | |
257 | //----------------------------------------------------------- | |
258 | void AliITSPid::SetCut(Int_t n,Float_t pm,Float_t pilo,Float_t pihi, | |
259 | Float_t klo,Float_t khi,Float_t plo,Float_t phi) | |
260 | { | |
261 | // The cut-table initializer method. | |
262 | fCut[n][0]=pm; | |
263 | fCut[n][1]=pilo; | |
264 | fCut[n][2]=pihi; | |
265 | fCut[n][3]=klo; | |
266 | fCut[n][4]=khi; | |
267 | fCut[n][5]=plo; | |
268 | fCut[n][6]=phi; | |
269 | return ; | |
270 | } | |
271 | //------------------------------------------------------------ | |
272 | void AliITSPid::SetVec(Int_t ntrack,const TVector& info) const | |
273 | { | |
274 | //Store track info in tracls table | |
275 | TClonesArray& arr=*fTrs; | |
276 | new( arr[ntrack] ) TVector(info); | |
277 | } | |
278 | //----------------------------------------------------------- | |
279 | TVector* AliITSPid::GetVec(Int_t ntrack) const | |
280 | { | |
281 | //Get given track from track table | |
282 | TClonesArray& arr=*fTrs; | |
283 | return (TVector*)arr[ntrack]; | |
284 | } | |
285 | //----------------------------------------------------------- | |
286 | void AliITSPid::SetEdep(Int_t track,Float_t Edep) | |
287 | { | |
288 | //Set dEdx for given track | |
289 | TVector xx(0,11); | |
290 | if( ((TVector*)fTrs->At(track))->IsValid() ) | |
291 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
292 | Int_t j=(Int_t)xx(0); if(j>4)return; | |
293 | xx(++j)=Edep;xx(0)=j; | |
294 | TClonesArray &arr=*fTrs; | |
295 | new(arr[track])TVector(xx); | |
296 | } | |
297 | //----------------------------------------------------------- | |
298 | void AliITSPid::SetPmom(Int_t track,Float_t Pmom) | |
299 | { | |
300 | //Set momentum for given track | |
301 | TVector xx(0,11); | |
302 | if( ((TVector*)fTrs->At(track))->IsValid() ) | |
303 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
304 | xx(10)=Pmom; | |
305 | TClonesArray &arr=*fTrs; | |
306 | new(arr[track])TVector(xx); | |
307 | } | |
308 | //----------------------------------------------------------- | |
309 | void AliITSPid::SetPcod(Int_t track,Int_t partcode) | |
310 | { | |
311 | //Set particle code for given track | |
312 | TVector xx(0,11); | |
313 | if( ((TVector*)fTrs->At(track))->IsValid() ) | |
314 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
315 | if(xx(11)==0) | |
316 | {xx(11)=partcode; fMxtrs++; | |
317 | TClonesArray &arr=*fTrs; | |
318 | new(arr[track])TVector(xx); | |
319 | } | |
320 | } | |
321 | //----------------------------------------------------------- | |
322 | void AliITSPid::Print(Int_t track) | |
323 | { | |
324 | //Prints information for given track | |
325 | cout<<fMxtrs<<" tracks in AliITSPid obj."<<endl; | |
326 | if( ((TVector*)fTrs->At(track))->IsValid() ) | |
327 | {TVector xx( *((TVector*)fTrs->At(track)) ); | |
328 | xx.Print(); | |
329 | } | |
330 | else | |
331 | {cout<<"No data for track "<<track<<endl;return;} | |
332 | } | |
333 | //----------------------------------------------------------- | |
334 | void AliITSPid::Tab(void) | |
335 | { | |
336 | //Make PID for tracks stored in tracks table | |
337 | if(fTrs->GetEntries()==0){cout<<"No entries in TAB"<<endl;return;} | |
338 | cout<<"------------------------------------------------------------------------"<<endl; | |
339 | cout<<"Nq"<<" q1 "<<" q2 "<<" q3 "<<" q4 "<<" q5 "<< | |
340 | " Qtrm " <<" Wpi "<<" Wk "<<" Wp "<<"Pmom "<<endl; | |
341 | cout<<"------------------------------------------------------------------------"<<endl; | |
342 | for(Int_t i=0;i<fTrs->GetEntries();i++) | |
343 | { | |
344 | TVector xxx( *((TVector*)fTrs->At(i)) ); | |
345 | if( xxx.IsValid() && xxx(0)>0 ) | |
346 | { | |
347 | TVector xx( *((TVector*)fTrs->At(i)) ); | |
348 | if(xx(0)>=2) | |
349 | { | |
350 | // 1)Calculate Qtrm | |
351 | xx(6)=(this->Qtrm(i)); | |
352 | ||
353 | }else{ | |
354 | xx(6)=xx(1); | |
355 | } | |
356 | // 2)Calculate Wpi,Wk,Wp | |
357 | this->GetPcode(xx(6),xx(10)/1000.); | |
358 | xx(7)=GetWpi(); | |
359 | xx(8)=GetWk(); | |
360 | xx(9)=GetWp(); | |
361 | // 3)Print table | |
362 | if(xx(0)>0){ | |
363 | // cout<<xx(0)<<" "; | |
364 | for(Int_t j=1;j<11;j++){ | |
365 | if(i<7){ cout.width(7);cout.precision(4);cout<<xx(j);} | |
366 | if(i>7){ cout.width(7);cout.precision(5);cout<<xx(j);} | |
367 | } | |
368 | cout<<endl; | |
369 | } | |
370 | // 4)Update data in TVector | |
371 | TClonesArray &arr=*fTrs; | |
372 | new(arr[i])TVector(xx); | |
373 | } | |
374 | else | |
375 | {/*cout<<"No data for track "<<i<<endl;*/} | |
376 | }// End loop for tracks | |
377 | } | |
378 | void AliITSPid::Reset(void) | |
379 | { | |
380 | //Reset tracks table | |
381 | for(Int_t i=0;i<fTrs->GetEntries();i++){ | |
382 | TVector xx(0,11); | |
383 | TClonesArray &arr=*fTrs; | |
384 | new(arr[i])TVector(xx); | |
385 | } | |
386 | } | |
387 | //----------------------------------------------------------- | |
388 | AliITSPid::AliITSPid(Int_t ntrack): | |
389 | fMxtrs(0), | |
390 | fTrs(0), | |
391 | fWpi(0), | |
392 | fWk(0), | |
393 | fWp(0), | |
394 | fRpik(0), | |
395 | fRppi(0), | |
396 | fRpka(0), | |
397 | fRp(0), | |
398 | fPcode(0), | |
399 | fSigmin(0.01), | |
400 | fSilent(0), | |
401 | fCutKa(0), | |
402 | fCutPr(0), | |
403 | fggpi(0), | |
404 | fggka(0), | |
405 | fggpr(0){ | |
406 | //Constructor for AliITSPid class | |
407 | ||
408 | fTrs = new TClonesArray("TVector",ntrack); | |
409 | TClonesArray &arr=*fTrs; | |
410 | for(Int_t i=0;i<ntrack;i++)new(arr[i])TVector(0,11); | |
411 | // | |
412 | fCutKa=new TF1("fcutka","pol4",0.05,0.4); | |
413 | Double_t ka[5]={25.616, -161.59, 408.97, -462.17, 192.86}; | |
414 | fCutKa->SetParameters(ka); | |
415 | // | |
416 | fCutPr=new TF1("fcutpr","[0]/x/x+[1]",0.05,1.1); | |
417 | Double_t pr[2]={0.70675,0.4455}; | |
418 | fCutPr->SetParameters(pr); | |
419 | // | |
420 | //---------- signal fit ---------- | |
421 | {//Pions | |
422 | fGGpi[0]=new TF1("fp1pi","pol4",0.34,1.2); | |
423 | Double_t parpi0[10]={ -1.9096471071e+03, 4.5354331545e+04, -1.1860738840e+05, | |
424 | 1.1405329025e+05, -3.8289694496e+04 }; | |
425 | fGGpi[0]->SetParameters(parpi0); | |
426 | fGGpi[1]=new TF1("fp2pi","[0]/x/x+[1]",0.34,1.2); | |
427 | Double_t parpi1[10]={ 1.0791668283e-02, 9.7347716496e-01 }; | |
428 | fGGpi[1]->SetParameters(parpi1); | |
429 | fGGpi[2]=new TF1("fp3pi","[0]/x/x+[1]",0.34,1.2); | |
430 | Double_t parpi2[10]={ 5.8191602279e-04, 9.7285601334e-02 }; | |
431 | fGGpi[2]->SetParameters(parpi2); | |
432 | fGGpi[3]=new TF1("fp4pi","pol4",0.34,1.2); | |
433 | Double_t parpi3[10]={ 6.6267353195e+02, 7.1595101104e+02, -5.3095111914e+03, | |
434 | 6.2900977606e+03, -2.2935862292e+03 }; | |
435 | fGGpi[3]->SetParameters(parpi3); | |
436 | fGGpi[4]=new TF1("fp5pi","[0]/x/x+[1]",0.34,1.2); | |
437 | Double_t parpi4[10]={ 9.0419011783e-03, 1.1628922525e+00 }; | |
438 | fGGpi[4]->SetParameters(parpi4); | |
439 | fGGpi[5]=new TF1("fp6pi","[0]/x/x+[1]",0.34,1.2); | |
440 | Double_t parpi5[10]={ 1.8324872519e-03, 2.1503968838e-01 }; | |
441 | fGGpi[5]->SetParameters(parpi5); | |
442 | }//End Pions | |
443 | {//Kaons | |
444 | fGGka[0]=new TF1("fp1ka","pol4",0.24,1.2); | |
445 | Double_t parka0[20]={ | |
446 | -1.1204243395e+02,4.6716191428e+01,2.2584059281e+03, | |
447 | -3.7123338009e+03,1.6003647641e+03 }; | |
448 | fGGka[0]->SetParameters(parka0); | |
449 | fGGka[1]=new TF1("fp2ka","[0]/x/x+[1]",0.24,1.2); | |
450 | Double_t parka1[20]={ | |
451 | 2.5181172905e-01,8.7566001814e-01 }; | |
452 | fGGka[1]->SetParameters(parka1); | |
453 | fGGka[2]=new TF1("fp3ka","pol6",0.24,1.2); | |
454 | Double_t parka2[20]={ | |
455 | 8.6236021573e+00,-7.0970427531e+01,2.4846827669e+02, | |
456 | -4.6094401290e+02,4.7546751408e+02,-2.5807112462e+02, | |
457 | 5.7545491696e+01 }; | |
458 | fGGka[2]->SetParameters(parka2); | |
459 | }//End Kaons | |
460 | {//Protons | |
461 | fGGpr[0]=new TF1("fp1pr","pol4",0.4,1.2); | |
462 | Double_t parpr0[10]={ | |
463 | 6.0150106543e+01,-8.8176206410e+02,3.1222644604e+03, | |
464 | -3.5269200901e+03,1.2859128345e+03 }; | |
465 | fGGpr[0]->SetParameters(parpr0); | |
466 | fGGpr[1]=new TF1("fp2pr","[0]/x/x+[1]",0.4,1.2); | |
467 | Double_t parpr1[10]={ | |
468 | 9.4970837607e-01,7.3573504201e-01 }; | |
469 | fGGpr[1]->SetParameters(parpr1); | |
470 | fGGpr[2]=new TF1("fp3pr","[0]/x/x+[1]",0.4,1.2); | |
471 | Double_t parpr2[10]={ | |
472 | 1.2498403757e-01,2.7845072306e-02 }; | |
473 | fGGpr[2]->SetParameters(parpr2); | |
474 | }//End Protons | |
475 | //----------- end fit ----------- | |
476 | ||
477 | fggpr=new TF1("ggpr","gaus",0.4,1.2); | |
478 | fggpi=new TF1("ggpi","gaus+gaus(3)",0.4,1.2); | |
479 | fggka=new TF1("ggka","gaus",0.4,1.2); | |
480 | ||
481 | //------------------------------------------------- | |
482 | const int kInf=10; | |
483 | // Ncut Pmom pilo pihi klo khi plo phi | |
484 | // cut[j] [0] [1] [2] [3] [4] [5] [6] | |
485 | //---------------------------------------------------------------- | |
486 | SetCut( 1, 0.12 , 0. , 0. , kInf , kInf , kInf , kInf ); | |
487 | SetCut( 2, 0.20 , 0. , 6.0 , 6.0 , kInf , kInf , kInf ); | |
488 | SetCut( 3, 0.30 , 0. , 3.5 , 3.5 , 9.0 , 9.0 , kInf ); | |
489 | SetCut( 4, 0.41 , 0. , 1.9 , 1.9 , 4.0 , 4.0 , kInf ); | |
490 | //---------------------------------------------------------------- | |
491 | SetCut( 5, 0.47 , 0.935, 0.139, 1.738 , 0.498 , 3.5 , kInf ); //410-470 | |
492 | SetCut( 6, 0.53 , 0.914, 0.136, 1.493 , 0.436 , 3.0 , kInf ); //470-530 | |
493 | //---------------------------------------------------------------- | |
494 | SetCut( 7, 0.59 , 0.895, 0.131, 1.384 , 0.290 , 2.7 , kInf ); //530-590 | |
495 | SetCut( 8, 0.65 , 0.887, 0.121, 1.167 , 0.287 , 2.5 , kInf ); //590-650 | |
496 | SetCut( 9, 0.73 , 0.879, 0.120, 1.153 , 0.257 , 2.0 , kInf ); //650-730 | |
497 | //---------------------------------------------------------------- | |
498 | SetCut( 10, 0.83 , 0.880, 0.126, 1.164 , 0.204 , 2.308 , 0.297 ); //730-830 | |
499 | SetCut( 11, 0.93 , 0.918, 0.145, 1.164 , 0.204 , 2.00 , 0.168 ); //830-930 | |
500 | SetCut( 12, 1.03 , 0.899, 0.128, 1.164 , 0.204 ,1.80 , 0.168); | |
501 | //------------------------ pi,K --------------------- | |
502 | fAprob[0][0]=1212; fAprob[1][0]=33.; // fAprob[0][i] - const for pions,cut[i+5] | |
503 | fAprob[0][1]=1022; fAprob[1][1]=46.2 ; // fAprob[1][i] - kaons | |
504 | //--------------------------------------------------- | |
505 | fAprob[0][2]= 889.7; fAprob[1][2]=66.58; fAprob[2][2]=14.53; | |
506 | fAprob[0][3]= 686.; fAprob[1][3]=88.8; fAprob[2][3]=19.27; | |
507 | fAprob[0][4]= 697.; fAprob[1][4]=125.6; fAprob[2][4]=28.67; | |
508 | //------------------------ pi,K,p ------------------- | |
509 | fAprob[0][5]= 633.7; fAprob[1][5]=100.1; fAprob[2][5]=37.99; // fAprob[2][i] - protons | |
510 | fAprob[0][6]= 469.5; fAprob[1][6]=20.74; fAprob[2][6]=25.43; | |
511 | fAprob[0][7]= 355.; fAprob[1][7]= | |
512 | 355.*(20.74/469.5); fAprob[2][7]=34.08; | |
513 | } | |
514 | //End AliITSPid.cxx |