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Commit | Line | Data |
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8057c644 | 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> | |
23efe5f1 | 7 | #include "AliITSPid.h" |
8 | #include "TMath.h" | |
4ae5bbc4 | 9 | #include <Riostream.h> |
e75c69cd | 10 | #include <TClonesArray.h> |
11 | #include <TVector.h> | |
5aa865de | 12 | #include "AliKalmanTrack.h" |
8057c644 | 13 | #include "AliITSIOTrack.h" |
e75c69cd | 14 | #include "AliITStrackV2.h" |
15 | #include <TF1.h> | |
16 | ||
23efe5f1 | 17 | ClassImp(AliITSPid) |
8057c644 | 18 | |
19 | ||
20 | AliITSPid::AliITSPid(const AliITSPid &source) : TObject(source){ | |
21 | // Copy constructor. This is a function which is not allowed to be | |
22 | // done: protected It exits with an error. | |
23 | // Inputs: | |
24 | // AliITSPid &source An AliITSPid class. | |
25 | // Outputs: | |
26 | // none. | |
27 | // Return: | |
28 | // none. | |
29 | ||
30 | Error("AliITSPid","You are not allowed to make a copy of the AliITSPid\n"); | |
31 | } | |
32 | //______________________________________________________________________ | |
33 | AliITSPid& AliITSPid::operator=(const AliITSPid& /* source */){ | |
34 | // Assignment operator. This is a function which is not allowed to be | |
35 | // done to the ITS. It exits with an error. | |
36 | // Inputs: | |
37 | // AliITSPid &source An AliITSPid class. | |
38 | // Outputs: | |
39 | // none. | |
40 | // Return: | |
41 | // none. | |
42 | ||
43 | Error("=operator","Assignment operator not allowed for this class\n"); | |
44 | return *this; | |
45 | } | |
46 | ||
47 | // | |
48 | Float_t AliITSPid::Qtrm(Int_t track) { | |
49 | // | |
50 | // This calculates truncated mean signal for given track. | |
11b3ae13 | 51 | // |
23efe5f1 | 52 | TVector q(*( this->GetVec(track) )); |
38f7c306 | 53 | Int_t ml=(Int_t)q(0); |
54 | if(ml<1)return 0.; | |
55 | if(ml>6)ml=6; | |
56 | float vf[6]; | |
57 | Int_t nl=0; for(Int_t i=0;i<ml;i++){if(q(i)>fSigmin){vf[nl]=q(i+1);nl++;}} | |
58 | if(nl==0)return 0.; | |
23efe5f1 | 59 | switch(nl){ |
60 | case 1:q(6)=q(1); break; | |
61 | case 2:q(6)=(q(1)+q(2))/2.; break; | |
62 | default: | |
38f7c306 | 63 | for(int fi=0;fi<2;fi++){ |
64 | Int_t swap; | |
65 | do{ swap=0; float qmin=vf[fi]; | |
66 | for(int j=fi+1;j<nl;j++) | |
67 | if(qmin>vf[j]){qmin=vf[j];vf[j]=vf[fi];vf[fi]=qmin;swap=1;}; | |
68 | }while(swap==1); | |
69 | } | |
23efe5f1 | 70 | q(6)= (vf[0]+vf[1])/2.; |
71 | break; | |
72 | } | |
73 | for(Int_t i=0;i<nl;i++){q(i+1)=vf[i];} this->SetVec(track,q); | |
74 | return (q(6)); | |
75 | } | |
38f7c306 | 76 | |
8057c644 | 77 | Float_t AliITSPid::Qtrm(Float_t qarr[6],Int_t narr) const{ |
78 | // | |
79 | //This calculates truncated mean signal for given signal set. | |
80 | // | |
38f7c306 | 81 | Float_t q[6],qm,qmin; |
79b921e1 | 82 | Int_t nl,ml; |
38f7c306 | 83 | if(narr>0&&narr<7){ml=narr;}else{return 0;}; |
84 | nl=0; for(Int_t i=0;i<ml;i++){if(qarr[i]>fSigmin){q[nl]=qarr[i];nl++;}} | |
79b921e1 | 85 | if(nl==0)return 0.; |
79b921e1 | 86 | switch(nl){ |
87 | case 1:qm=q[0]; break; | |
88 | case 2:qm=(q[0]+q[1])/2.; break; | |
89 | default: | |
38f7c306 | 90 | Int_t swap; |
91 | for(int fi=0;fi<2;fi++){ | |
92 | do{ swap=0; qmin=q[fi]; | |
93 | for(int j=fi+1;j<nl;j++) | |
94 | if(qmin>q[j]){qmin=q[j];q[j]=q[fi];q[fi]=qmin;swap=1;}; | |
95 | }while(swap==1); | |
96 | } | |
97 | qm= (q[0]+q[1])/2.; | |
79b921e1 | 98 | break; |
99 | } | |
100 | return qm; | |
101 | } | |
11b3ae13 | 102 | |
8057c644 | 103 | Int_t AliITSPid::Wpik(Float_t pm,Float_t q){ |
104 | //Calcutates probabilityes of pions and kaons | |
105 | //Returns particle code for dominant probability. | |
11b3ae13 | 106 | Double_t par[6]; |
107 | for(int i=0;i<6;i++){par[i]=fGGpi[i]->Eval(pm);} | |
108 | fggpi->SetParameters(par); | |
23efe5f1 | 109 | |
11b3ae13 | 110 | for(int i=0;i<3;i++){par[i]=fGGka[i]->Eval(pm);} |
111 | fggka->SetParameters(par); | |
38f7c306 | 112 | |
11b3ae13 | 113 | Float_t ppi=fggpi->Eval(q); |
114 | Float_t pka=fggka->Eval(q); | |
115 | Float_t p=ppi+pka; | |
116 | /* | |
117 | if(!fSilent){ | |
118 | fggka->Print(); | |
119 | fggpi->Print(); | |
120 | if(p>0)cout<<" ppi,pka="<<ppi/p<<" "<<pka/p<<endl; | |
121 | } | |
122 | */ | |
38f7c306 | 123 | |
11b3ae13 | 124 | if(p>0){ |
125 | ppi=ppi/p; | |
126 | pka=pka/p; | |
127 | fWp=0.; fWpi=ppi; fWk=pka; | |
128 | if( pka>ppi){return fPcode=321;}else{return fPcode=211;} | |
129 | }else{return 0;} | |
23efe5f1 | 130 | } |
131 | //----------------------------------------------------------- | |
8057c644 | 132 | Int_t AliITSPid::Wpikp(Float_t pm,Float_t q){ |
133 | // | |
134 | //Calcutates probabilityes of pions,kaons and protons. | |
135 | //Returns particle code for dominant probability. | |
11b3ae13 | 136 | Double_t par[6]; |
137 | for(int i=0;i<6;i++){par[i]=fGGpi[i]->Eval(pm);} | |
138 | fggpi->SetParameters(par); | |
23efe5f1 | 139 | |
11b3ae13 | 140 | for(int i=0;i<3;i++){par[i]=fGGka[i]->Eval(pm);} |
141 | fggka->SetParameters(par); | |
23efe5f1 | 142 | |
11b3ae13 | 143 | for(int i=0;i<3;i++){par[i]=fGGpr[i]->Eval(pm);} |
144 | fggpr->SetParameters(par); | |
38f7c306 | 145 | |
11b3ae13 | 146 | Float_t p,ppi,pka,ppr; |
147 | if( q>(fggpr->GetParameter(1)+fggpr->GetParameter(2)) ) | |
148 | { p=1.0; ppr=1.0; ppi=pka=0.0; | |
149 | }else{ | |
150 | ppi=fggpi->Eval(q); | |
151 | pka=fggka->Eval(q); | |
152 | ppr=fggpr->Eval(q); | |
153 | p=ppi+pka+ppr; | |
154 | } | |
155 | if(p>0){ | |
156 | ppi=ppi/p; | |
157 | pka=pka/p; | |
158 | ppr=ppr/p; | |
159 | fWp=ppr; fWpi=ppi; fWk=pka; | |
160 | //if(!fSilent)cout<<" ppi,pka,ppr="<<ppi<<" "<<pka<<" "<<ppr<<endl; | |
38f7c306 | 161 | |
11b3ae13 | 162 | if( ppi>pka&&ppi>ppr ) |
163 | {return fPcode=211;} | |
164 | else{ if(pka>ppr){return fPcode=321;}else{return fPcode=2212;} | |
165 | } | |
38f7c306 | 166 | |
11b3ae13 | 167 | }else{return 0;} |
23efe5f1 | 168 | } |
169 | //----------------------------------------------------------- | |
170 | Int_t AliITSPid::GetPcode(TClonesArray* rps,Float_t pm) | |
171 | { | |
8057c644 | 172 | //Returns particle code |
088e0b8d | 173 | Info("GetPcode","method not implemented - Inputs TClonesArray *%x , Float_t %f",rps,pm); |
23efe5f1 | 174 | return 0; |
175 | } | |
176 | //----------------------------------------------------------- | |
5aa865de | 177 | Int_t AliITSPid::GetPcode(AliKalmanTrack *track) |
79b921e1 | 178 | { |
8057c644 | 179 | //Returns particle code for given track. |
79b921e1 | 180 | Double_t xk,par[5]; track->GetExternalParameters(xk,par); |
181 | Float_t phi=TMath::ASin(par[2]) + track->GetAlpha(); | |
182 | if (phi<-TMath::Pi()) phi+=2*TMath::Pi(); | |
183 | if (phi>=TMath::Pi()) phi-=2*TMath::Pi(); | |
184 | Float_t lam=TMath::ATan(par[3]); | |
e75c69cd | 185 | Float_t pt1=TMath::Abs(par[4]); |
186 | Float_t mom=1./(pt1*TMath::Cos(lam)); | |
79b921e1 | 187 | Float_t dedx=track->GetdEdx(); |
188 | Int_t pcode=GetPcode(dedx/40.,mom); | |
def162f4 | 189 | // cout<<"TPCtrack dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; |
79b921e1 | 190 | return pcode?pcode:211; |
191 | } | |
192 | //------------------------------------------------------------ | |
79b921e1 | 193 | Int_t AliITSPid::GetPcode(AliITSIOTrack *track) |
194 | { | |
8057c644 | 195 | //Returns particle code for given track(V1). |
79b921e1 | 196 | Double_t px,py,pz; |
197 | px=track->GetPx(); | |
198 | py=track->GetPy(); | |
199 | pz=track->GetPz(); | |
200 | Float_t mom=TMath::Sqrt(px*px+py*py+pz*pz); | |
201 | //??????????????????? | |
def162f4 | 202 | // Float_t dedx=1.0; |
203 | Float_t dedx=track->GetdEdx(); | |
79b921e1 | 204 | //??????????????????? |
205 | Int_t pcode=GetPcode(dedx,mom); | |
def162f4 | 206 | // cout<<"ITSV1 dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; |
79b921e1 | 207 | return pcode?pcode:211; |
208 | } | |
79b921e1 | 209 | //----------------------------------------------------------- |
210 | Int_t AliITSPid::GetPcode(AliITStrackV2 *track) | |
211 | { | |
8057c644 | 212 | //Returns particle code for given track(V2). |
79b921e1 | 213 | if(track==0)return 0; |
38f7c306 | 214 | // track->Propagate(track->GetAlpha(),3.,0.1/65.19*1.848,0.1*1.848); |
79b921e1 | 215 | track->PropagateTo(3.,0.0028,65.19); |
79b921e1 | 216 | track->PropagateToVertex(); |
217 | Double_t xk,par[5]; track->GetExternalParameters(xk,par); | |
218 | Float_t lam=TMath::ATan(par[3]); | |
e75c69cd | 219 | Float_t pt1=TMath::Abs(par[4]); |
79b921e1 | 220 | Float_t mom=0.; |
e75c69cd | 221 | if( (pt1*TMath::Cos(lam))!=0. ){ mom=1./(pt1*TMath::Cos(lam)); }else{mom=0.;}; |
79b921e1 | 222 | Float_t dedx=track->GetdEdx(); |
e75c69cd | 223 | // cout<<"lam,pt1,mom,dedx="<<lam<<","<<pt1<<","<<mom<<","<<dedx<<endl; |
79b921e1 | 224 | Int_t pcode=GetPcode(dedx,mom); |
def162f4 | 225 | // cout<<"ITS V2 dedx,mom,pcode="<<dedx<<","<<mom<<","<<pcode<<endl; |
79b921e1 | 226 | return pcode?pcode:211; |
227 | } | |
228 | //----------------------------------------------------------- | |
23efe5f1 | 229 | Int_t AliITSPid::GetPcode(Float_t q,Float_t pm) |
230 | { | |
8057c644 | 231 | //Returns particle code for given signal and momentum. |
38f7c306 | 232 | fWpi=fWk=fWp=0.; fPcode=0; |
23efe5f1 | 233 | |
11b3ae13 | 234 | if ( pm<=0.400 ) |
235 | { if( q<fCutKa->Eval(pm) ) | |
e75c69cd | 236 | {return Pion();} |
11b3ae13 | 237 | else{ if( q<fCutPr->Eval(pm) ) |
e75c69cd | 238 | {return Kaon();} |
239 | else{return Proton();} | |
11b3ae13 | 240 | } |
241 | } | |
242 | if ( pm<=0.750 ) | |
243 | if ( q>fCutPr->Eval(pm) ) | |
e75c69cd | 244 | {return Proton();} else {return Wpik(pm,q);}; |
245 | if( pm<=1.10 ){ return Wpikp(pm,q); } | |
23efe5f1 | 246 | return fPcode; |
247 | } | |
248 | //----------------------------------------------------------- | |
249 | void AliITSPid::SetCut(Int_t n,Float_t pm,Float_t pilo,Float_t pihi, | |
250 | Float_t klo,Float_t khi,Float_t plo,Float_t phi) | |
251 | { | |
8057c644 | 252 | // The cut-table initializer method. |
e75c69cd | 253 | fCut[n][0]=pm; |
254 | fCut[n][1]=pilo; | |
255 | fCut[n][2]=pihi; | |
256 | fCut[n][3]=klo; | |
257 | fCut[n][4]=khi; | |
258 | fCut[n][5]=plo; | |
259 | fCut[n][6]=phi; | |
23efe5f1 | 260 | return ; |
261 | } | |
38f7c306 | 262 | //------------------------------------------------------------ |
8057c644 | 263 | void AliITSPid::SetVec(Int_t ntrack,TVector info) |
23efe5f1 | 264 | { |
8057c644 | 265 | //Store track info in tracls table |
e75c69cd | 266 | TClonesArray& arr=*fTrs; |
23efe5f1 | 267 | new( arr[ntrack] ) TVector(info); |
268 | } | |
269 | //----------------------------------------------------------- | |
8057c644 | 270 | TVector* AliITSPid::GetVec(Int_t ntrack) const |
23efe5f1 | 271 | { |
8057c644 | 272 | //Get given track from track table |
e75c69cd | 273 | TClonesArray& arr=*fTrs; |
23efe5f1 | 274 | return (TVector*)arr[ntrack]; |
275 | } | |
276 | //----------------------------------------------------------- | |
277 | void AliITSPid::SetEdep(Int_t track,Float_t Edep) | |
278 | { | |
8057c644 | 279 | //Set dEdx for given track |
23efe5f1 | 280 | TVector xx(0,11); |
e75c69cd | 281 | if( ((TVector*)fTrs->At(track))->IsValid() ) |
282 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
23efe5f1 | 283 | Int_t j=(Int_t)xx(0); if(j>4)return; |
284 | xx(++j)=Edep;xx(0)=j; | |
e75c69cd | 285 | TClonesArray &arr=*fTrs; |
23efe5f1 | 286 | new(arr[track])TVector(xx); |
287 | } | |
288 | //----------------------------------------------------------- | |
289 | void AliITSPid::SetPmom(Int_t track,Float_t Pmom) | |
290 | { | |
8057c644 | 291 | //Set momentum for given track |
23efe5f1 | 292 | TVector xx(0,11); |
e75c69cd | 293 | if( ((TVector*)fTrs->At(track))->IsValid() ) |
294 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
23efe5f1 | 295 | xx(10)=Pmom; |
e75c69cd | 296 | TClonesArray &arr=*fTrs; |
23efe5f1 | 297 | new(arr[track])TVector(xx); |
298 | } | |
299 | //----------------------------------------------------------- | |
300 | void AliITSPid::SetPcod(Int_t track,Int_t partcode) | |
301 | { | |
8057c644 | 302 | //Set particle code for given track |
23efe5f1 | 303 | TVector xx(0,11); |
e75c69cd | 304 | if( ((TVector*)fTrs->At(track))->IsValid() ) |
305 | {TVector yy( *((TVector*)fTrs->At(track)) );xx=yy; } | |
23efe5f1 | 306 | if(xx(11)==0) |
e75c69cd | 307 | {xx(11)=partcode; fMxtrs++; |
308 | TClonesArray &arr=*fTrs; | |
23efe5f1 | 309 | new(arr[track])TVector(xx); |
310 | } | |
311 | } | |
312 | //----------------------------------------------------------- | |
313 | void AliITSPid::Print(Int_t track) | |
8057c644 | 314 | { |
315 | //Prints information for given track | |
316 | cout<<fMxtrs<<" tracks in AliITSPid obj."<<endl; | |
e75c69cd | 317 | if( ((TVector*)fTrs->At(track))->IsValid() ) |
318 | {TVector xx( *((TVector*)fTrs->At(track)) ); | |
23efe5f1 | 319 | xx.Print(); |
320 | } | |
321 | else | |
322 | {cout<<"No data for track "<<track<<endl;return;} | |
323 | } | |
324 | //----------------------------------------------------------- | |
325 | void AliITSPid::Tab(void) | |
326 | { | |
8057c644 | 327 | //Make PID for tracks stored in tracks table |
e75c69cd | 328 | if(fTrs->GetEntries()==0){cout<<"No entries in TAB"<<endl;return;} |
23efe5f1 | 329 | cout<<"------------------------------------------------------------------------"<<endl; |
330 | cout<<"Nq"<<" q1 "<<" q2 "<<" q3 "<<" q4 "<<" q5 "<< | |
331 | " Qtrm " <<" Wpi "<<" Wk "<<" Wp "<<"Pmom "<<endl; | |
332 | cout<<"------------------------------------------------------------------------"<<endl; | |
e75c69cd | 333 | for(Int_t i=0;i<fTrs->GetEntries();i++) |
23efe5f1 | 334 | { |
e75c69cd | 335 | TVector xx( *((TVector*)fTrs->At(i)) ); |
23efe5f1 | 336 | if( xx.IsValid() && xx(0)>0 ) |
337 | { | |
e75c69cd | 338 | TVector xx( *((TVector*)fTrs->At(i)) ); |
23efe5f1 | 339 | if(xx(0)>=2) |
340 | { | |
341 | // 1)Calculate Qtrm | |
e75c69cd | 342 | xx(6)=(this->Qtrm(i)); |
23efe5f1 | 343 | |
344 | }else{ | |
345 | xx(6)=xx(1); | |
346 | } | |
347 | // 2)Calculate Wpi,Wk,Wp | |
348 | this->GetPcode(xx(6),xx(10)/1000.); | |
349 | xx(7)=GetWpi(); | |
350 | xx(8)=GetWk(); | |
351 | xx(9)=GetWp(); | |
352 | // 3)Print table | |
353 | if(xx(0)>0){ | |
def162f4 | 354 | // cout<<xx(0)<<" "; |
23efe5f1 | 355 | for(Int_t j=1;j<11;j++){ |
38f7c306 | 356 | if(i<7){ cout.width(7);cout.precision(4);cout<<xx(j);} |
357 | if(i>7){ cout.width(7);cout.precision(5);cout<<xx(j);} | |
23efe5f1 | 358 | } |
359 | cout<<endl; | |
360 | } | |
361 | // 4)Update data in TVector | |
e75c69cd | 362 | TClonesArray &arr=*fTrs; |
23efe5f1 | 363 | new(arr[i])TVector(xx); |
364 | } | |
365 | else | |
366 | {/*cout<<"No data for track "<<i<<endl;*/} | |
367 | }// End loop for tracks | |
368 | } | |
369 | void AliITSPid::Reset(void) | |
370 | { | |
8057c644 | 371 | //Reset tracks table |
e75c69cd | 372 | for(Int_t i=0;i<fTrs->GetEntries();i++){ |
23efe5f1 | 373 | TVector xx(0,11); |
e75c69cd | 374 | TClonesArray &arr=*fTrs; |
23efe5f1 | 375 | new(arr[i])TVector(xx); |
376 | } | |
377 | } | |
378 | //----------------------------------------------------------- | |
379 | AliITSPid::AliITSPid(Int_t ntrack) | |
380 | { | |
8057c644 | 381 | //Constructor for AliITSPid class |
38f7c306 | 382 | fSigmin=0.01; |
e75c69cd | 383 | fTrs = new TClonesArray("TVector",ntrack); |
384 | TClonesArray &arr=*fTrs; | |
23efe5f1 | 385 | for(Int_t i=0;i<ntrack;i++)new(arr[i])TVector(0,11); |
e75c69cd | 386 | fMxtrs=0; |
11b3ae13 | 387 | // |
388 | fCutKa=new TF1("fcutka","pol4",0.05,0.4); | |
389 | Double_t ka[5]={25.616, -161.59, 408.97, -462.17, 192.86}; | |
390 | fCutKa->SetParameters(ka); | |
391 | // | |
392 | fCutPr=new TF1("fcutpr","[0]/x/x+[1]",0.05,1.1); | |
393 | Double_t pr[2]={0.70675,0.4455}; | |
394 | fCutPr->SetParameters(pr); | |
395 | // | |
396 | //---------- signal fit ---------- | |
397 | {//Pions | |
398 | fGGpi[0]=new TF1("fp1pi","pol4",0.34,1.2); | |
e75c69cd | 399 | Double_t parpi0[10]={ -1.9096471071e+03, 4.5354331545e+04, -1.1860738840e+05, |
11b3ae13 | 400 | 1.1405329025e+05, -3.8289694496e+04 }; |
e75c69cd | 401 | fGGpi[0]->SetParameters(parpi0); |
11b3ae13 | 402 | fGGpi[1]=new TF1("fp2pi","[0]/x/x+[1]",0.34,1.2); |
e75c69cd | 403 | Double_t parpi1[10]={ 1.0791668283e-02, 9.7347716496e-01 }; |
404 | fGGpi[1]->SetParameters(parpi1); | |
11b3ae13 | 405 | fGGpi[2]=new TF1("fp3pi","[0]/x/x+[1]",0.34,1.2); |
e75c69cd | 406 | Double_t parpi2[10]={ 5.8191602279e-04, 9.7285601334e-02 }; |
407 | fGGpi[2]->SetParameters(parpi2); | |
11b3ae13 | 408 | fGGpi[3]=new TF1("fp4pi","pol4",0.34,1.2); |
e75c69cd | 409 | Double_t parpi3[10]={ 6.6267353195e+02, 7.1595101104e+02, -5.3095111914e+03, |
11b3ae13 | 410 | 6.2900977606e+03, -2.2935862292e+03 }; |
e75c69cd | 411 | fGGpi[3]->SetParameters(parpi3); |
11b3ae13 | 412 | fGGpi[4]=new TF1("fp5pi","[0]/x/x+[1]",0.34,1.2); |
e75c69cd | 413 | Double_t parpi4[10]={ 9.0419011783e-03, 1.1628922525e+00 }; |
414 | fGGpi[4]->SetParameters(parpi4); | |
11b3ae13 | 415 | fGGpi[5]=new TF1("fp6pi","[0]/x/x+[1]",0.34,1.2); |
e75c69cd | 416 | Double_t parpi5[10]={ 1.8324872519e-03, 2.1503968838e-01 }; |
417 | fGGpi[5]->SetParameters(parpi5); | |
11b3ae13 | 418 | }//End Pions |
419 | {//Kaons | |
420 | fGGka[0]=new TF1("fp1ka","pol4",0.24,1.2); | |
e75c69cd | 421 | Double_t parka0[20]={ |
11b3ae13 | 422 | -1.1204243395e+02,4.6716191428e+01,2.2584059281e+03, |
423 | -3.7123338009e+03,1.6003647641e+03 }; | |
e75c69cd | 424 | fGGka[0]->SetParameters(parka0); |
11b3ae13 | 425 | fGGka[1]=new TF1("fp2ka","[0]/x/x+[1]",0.24,1.2); |
e75c69cd | 426 | Double_t parka1[20]={ |
11b3ae13 | 427 | 2.5181172905e-01,8.7566001814e-01 }; |
e75c69cd | 428 | fGGka[1]->SetParameters(parka1); |
11b3ae13 | 429 | fGGka[2]=new TF1("fp3ka","pol6",0.24,1.2); |
e75c69cd | 430 | Double_t parka2[20]={ |
11b3ae13 | 431 | 8.6236021573e+00,-7.0970427531e+01,2.4846827669e+02, |
432 | -4.6094401290e+02,4.7546751408e+02,-2.5807112462e+02, | |
433 | 5.7545491696e+01 }; | |
e75c69cd | 434 | fGGka[2]->SetParameters(parka2); |
11b3ae13 | 435 | }//End Kaons |
436 | {//Protons | |
437 | fGGpr[0]=new TF1("fp1pr","pol4",0.4,1.2); | |
e75c69cd | 438 | Double_t parpr0[10]={ |
11b3ae13 | 439 | 6.0150106543e+01,-8.8176206410e+02,3.1222644604e+03, |
440 | -3.5269200901e+03,1.2859128345e+03 }; | |
e75c69cd | 441 | fGGpr[0]->SetParameters(parpr0); |
11b3ae13 | 442 | fGGpr[1]=new TF1("fp2pr","[0]/x/x+[1]",0.4,1.2); |
e75c69cd | 443 | Double_t parpr1[10]={ |
11b3ae13 | 444 | 9.4970837607e-01,7.3573504201e-01 }; |
e75c69cd | 445 | fGGpr[1]->SetParameters(parpr1); |
11b3ae13 | 446 | fGGpr[2]=new TF1("fp3pr","[0]/x/x+[1]",0.4,1.2); |
e75c69cd | 447 | Double_t parpr2[10]={ |
11b3ae13 | 448 | 1.2498403757e-01,2.7845072306e-02 }; |
e75c69cd | 449 | fGGpr[2]->SetParameters(parpr2); |
11b3ae13 | 450 | }//End Protons |
451 | //----------- end fit ----------- | |
452 | ||
453 | fggpr=new TF1("ggpr","gaus",0.4,1.2); | |
454 | fggpi=new TF1("ggpi","gaus+gaus(3)",0.4,1.2); | |
455 | fggka=new TF1("ggka","gaus",0.4,1.2); | |
456 | ||
457 | //------------------------------------------------- | |
e75c69cd | 458 | const int kInf=10; |
23efe5f1 | 459 | // Ncut Pmom pilo pihi klo khi plo phi |
460 | // cut[j] [0] [1] [2] [3] [4] [5] [6] | |
461 | //---------------------------------------------------------------- | |
e75c69cd | 462 | SetCut( 1, 0.12 , 0. , 0. , kInf , kInf , kInf , kInf ); |
463 | SetCut( 2, 0.20 , 0. , 6.0 , 6.0 , kInf , kInf , kInf ); | |
464 | SetCut( 3, 0.30 , 0. , 3.5 , 3.5 , 9.0 , 9.0 , kInf ); | |
465 | SetCut( 4, 0.41 , 0. , 1.9 , 1.9 , 4.0 , 4.0 , kInf ); | |
23efe5f1 | 466 | //---------------------------------------------------------------- |
e75c69cd | 467 | SetCut( 5, 0.47 , 0.935, 0.139, 1.738 , 0.498 , 3.5 , kInf ); //410-470 |
468 | SetCut( 6, 0.53 , 0.914, 0.136, 1.493 , 0.436 , 3.0 , kInf ); //470-530 | |
23efe5f1 | 469 | //---------------------------------------------------------------- |
e75c69cd | 470 | SetCut( 7, 0.59 , 0.895, 0.131, 1.384 , 0.290 , 2.7 , kInf ); //530-590 |
471 | SetCut( 8, 0.65 , 0.887, 0.121, 1.167 , 0.287 , 2.5 , kInf ); //590-650 | |
472 | SetCut( 9, 0.73 , 0.879, 0.120, 1.153 , 0.257 , 2.0 , kInf ); //650-730 | |
23efe5f1 | 473 | //---------------------------------------------------------------- |
38f7c306 | 474 | SetCut( 10, 0.83 , 0.880, 0.126, 1.164 , 0.204 , 2.308 , 0.297 ); //730-830 |
475 | SetCut( 11, 0.93 , 0.918, 0.145, 1.164 , 0.204 , 2.00 , 0.168 ); //830-930 | |
476 | SetCut( 12, 1.03 , 0.899, 0.128, 1.164 , 0.204 ,1.80 , 0.168); | |
477 | //------------------------ pi,K --------------------- | |
e75c69cd | 478 | fAprob[0][0]=1212; fAprob[1][0]=33.; // fAprob[0][i] - const for pions,cut[i+5] |
479 | fAprob[0][1]=1022; fAprob[1][1]=46.2 ; // fAprob[1][i] - kaons | |
38f7c306 | 480 | //--------------------------------------------------- |
e75c69cd | 481 | fAprob[0][2]= 889.7; fAprob[1][2]=66.58; fAprob[2][2]=14.53; |
482 | fAprob[0][3]= 686.; fAprob[1][3]=88.8; fAprob[2][3]=19.27; | |
483 | fAprob[0][4]= 697.; fAprob[1][4]=125.6; fAprob[2][4]=28.67; | |
38f7c306 | 484 | //------------------------ pi,K,p ------------------- |
e75c69cd | 485 | fAprob[0][5]= 633.7; fAprob[1][5]=100.1; fAprob[2][5]=37.99; // fAprob[2][i] - protons |
486 | fAprob[0][6]= 469.5; fAprob[1][6]=20.74; fAprob[2][6]=25.43; | |
487 | fAprob[0][7]= 355.; fAprob[1][7]= | |
488 | 355.*(20.74/469.5); fAprob[2][7]=34.08; | |
23efe5f1 | 489 | } |
11b3ae13 | 490 | //End AliITSPid.cxx |