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e3d40058 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ///////////////////////////////////////////////////////////// | |
17 | // | |
18 | // Class for cuts on AOD reconstructed D+->Kpipi | |
19 | // | |
20 | // Author: R. Bala, bala@to.infn.it | |
21 | // G. Ortona, ortona@to.infn.it | |
22 | ///////////////////////////////////////////////////////////// | |
23 | ||
24 | #include <TDatabasePDG.h> | |
25 | #include <Riostream.h> | |
26 | ||
27 | #include "AliRDHFCutsDplustoKpipi.h" | |
28 | #include "AliAODRecoDecayHF3Prong.h" | |
29 | #include "AliAODTrack.h" | |
30 | #include "AliESDtrack.h" | |
31 | ||
32 | ClassImp(AliRDHFCutsDplustoKpipi) | |
33 | ||
34 | //-------------------------------------------------------------------------- | |
a9b75906 | 35 | AliRDHFCutsDplustoKpipi::AliRDHFCutsDplustoKpipi(const char* name) : |
36 | AliRDHFCuts(name) | |
e3d40058 | 37 | { |
38 | // | |
39 | // Default Constructor | |
40 | // | |
41 | Int_t nvars=12; | |
42 | SetNVars(nvars); | |
43 | TString varNames[12]={"inv. mass [GeV]", | |
44 | "pTK [GeV/c]", | |
45 | "pTPi [GeV/c]", | |
46 | "d0K [cm] lower limit!", | |
47 | "d0Pi [cm] lower limit!", | |
48 | "dist12 (cm)", | |
49 | "sigmavert (cm)", | |
50 | "dist prim-sec (cm)", | |
51 | "pM=Max{pT1,pT2,pT3} (GeV/c)", | |
52 | "cosThetaPoint", | |
53 | "Sum d0^2 (cm^2)", | |
54 | "dca cut (cm)"}; | |
55 | Bool_t isUpperCut[12]={kTRUE, | |
56 | kFALSE, | |
57 | kFALSE, | |
58 | kFALSE, | |
59 | kFALSE, | |
60 | kFALSE, | |
61 | kTRUE, | |
62 | kFALSE, | |
63 | kFALSE, | |
64 | kFALSE, | |
65 | kFALSE, | |
66 | kTRUE}; | |
67 | SetVarNames(nvars,varNames,isUpperCut); | |
4755453e | 68 | Bool_t forOpt[12]={kFALSE, |
e3d40058 | 69 | kFALSE, |
70 | kFALSE, | |
71 | kFALSE, | |
72 | kFALSE, | |
73 | kFALSE, | |
74 | kTRUE, | |
75 | kTRUE, | |
76 | kTRUE, | |
77 | kTRUE, | |
78 | kTRUE, | |
79 | kFALSE}; | |
4755453e | 80 | SetVarsForOpt(5,forOpt); |
e3d40058 | 81 | Float_t limits[2]={0,999999999.}; |
82 | SetPtBins(2,limits); | |
83 | } | |
84 | //-------------------------------------------------------------------------- | |
85 | AliRDHFCutsDplustoKpipi::AliRDHFCutsDplustoKpipi(const AliRDHFCutsDplustoKpipi &source) : | |
86 | AliRDHFCuts(source) | |
87 | { | |
88 | // | |
89 | // Copy constructor | |
90 | // | |
91 | ||
92 | } | |
93 | //-------------------------------------------------------------------------- | |
94 | AliRDHFCutsDplustoKpipi &AliRDHFCutsDplustoKpipi::operator=(const AliRDHFCutsDplustoKpipi &source) | |
95 | { | |
96 | // | |
97 | // assignment operator | |
98 | // | |
99 | if(&source == this) return *this; | |
100 | ||
101 | AliRDHFCuts::operator=(source); | |
102 | ||
103 | return *this; | |
104 | } | |
105 | ||
106 | ||
107 | //--------------------------------------------------------------------------- | |
108 | void AliRDHFCutsDplustoKpipi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters) { | |
109 | // | |
110 | // Fills in vars the values of the variables | |
111 | // | |
112 | ||
113 | ||
114 | if(nvars!=fnVarsForOpt) { | |
115 | printf("AliRDHFCutsDplustoKpipi::GetCutsVarsForOpt: wrong number of variables\n"); | |
116 | return; | |
117 | } | |
118 | ||
119 | AliAODRecoDecayHF3Prong *dd = (AliAODRecoDecayHF3Prong*)d; | |
e3d40058 | 120 | |
e3d40058 | 121 | Int_t iter=-1; |
122 | if(fVarsForOpt[0]){ | |
123 | iter++; | |
124 | vars[iter]=dd->InvMassDplus(); | |
125 | } | |
126 | if(fVarsForOpt[1]){ | |
127 | iter++; | |
128 | for(Int_t iprong=0;iprong<3;iprong++){ | |
129 | if(TMath::Abs(pdgdaughters[iprong])==321) { | |
130 | vars[iter]=dd->PtProng(iprong); | |
131 | } | |
132 | } | |
133 | } | |
134 | if(fVarsForOpt[2]){ | |
135 | iter++; | |
4755453e | 136 | Float_t minPtDau=1000000.0; |
e3d40058 | 137 | for(Int_t iprong=0;iprong<3;iprong++){ |
138 | if(TMath::Abs(pdgdaughters[iprong])==211) { | |
4755453e | 139 | if(dd->PtProng(iprong)<minPtDau){ |
140 | minPtDau=dd->PtProng(iprong); | |
141 | } | |
e3d40058 | 142 | } |
143 | } | |
4755453e | 144 | vars[iter]=minPtDau; |
e3d40058 | 145 | } |
146 | if(fVarsForOpt[3]){ | |
147 | iter++; | |
148 | for(Int_t iprong=0;iprong<3;iprong++){ | |
149 | if(TMath::Abs(pdgdaughters[iprong])==321) { | |
150 | vars[iter]=dd->Getd0Prong(iprong); | |
151 | } | |
152 | } | |
153 | } | |
154 | if(fVarsForOpt[4]){ | |
155 | iter++; | |
4755453e | 156 | Float_t minImpParDau=1000000.0; |
e3d40058 | 157 | for(Int_t iprong=0;iprong<3;iprong++){ |
158 | if(TMath::Abs(pdgdaughters[iprong])==211) { | |
4755453e | 159 | if(dd->Getd0Prong(iprong)<minImpParDau){ |
160 | minImpParDau=dd->Getd0Prong(iprong); | |
161 | } | |
e3d40058 | 162 | } |
163 | } | |
4755453e | 164 | vars[iter]=minImpParDau; |
e3d40058 | 165 | } |
166 | if(fVarsForOpt[5]){ | |
167 | iter++; | |
4755453e | 168 | Float_t dist12 = dd->GetDist12toPrim(); |
169 | Float_t dist23 = dd->GetDist23toPrim(); | |
170 | if(dist12<dist23)vars[iter]=dist12; | |
171 | else vars[iter]=dist23; | |
e3d40058 | 172 | } |
173 | if(fVarsForOpt[6]){ | |
174 | iter++; | |
175 | vars[iter]=dd->GetSigmaVert(); | |
176 | } | |
177 | if(fVarsForOpt[7]){ | |
178 | iter++; | |
179 | vars[iter] = dd->DecayLength(); | |
180 | } | |
181 | if(fVarsForOpt[8]){ | |
182 | iter++; | |
183 | Float_t ptmax=0; | |
184 | for(Int_t i=0;i<3;i++){ | |
185 | if(dd->PtProng(i)>ptmax)ptmax=dd->PtProng(i); | |
186 | } | |
187 | vars[iter]=ptmax; | |
188 | } | |
189 | if(fVarsForOpt[9]){ | |
190 | iter++; | |
191 | vars[iter]=dd->CosPointingAngle(); | |
192 | } | |
193 | if(fVarsForOpt[10]){ | |
194 | iter++; | |
195 | vars[iter]=dd->Getd0Prong(0)*dd->Getd0Prong(0)+dd->Getd0Prong(1)*dd->Getd0Prong(1)+dd->Getd0Prong(2)*dd->Getd0Prong(2); | |
196 | } | |
197 | if(fVarsForOpt[11]){ | |
198 | iter++; | |
4755453e | 199 | Float_t maxDCA=0; |
200 | for(Int_t iprong=0;iprong<3;iprong++){ | |
201 | if(dd->GetDCA(iprong)<maxDCA){ | |
202 | maxDCA=dd->GetDCA(iprong); | |
203 | } | |
204 | } | |
205 | vars[iter]=maxDCA; | |
e3d40058 | 206 | } |
207 | return; | |
208 | } | |
209 | //--------------------------------------------------------------------------- | |
210 | Int_t AliRDHFCutsDplustoKpipi::IsSelected(TObject* obj,Int_t selectionLevel) { | |
211 | // | |
212 | // Apply selection | |
213 | // | |
214 | ||
215 | if(!fCutsRD){ | |
4755453e | 216 | cout<<"Cut matrix not inizialized. Exit..."<<endl; |
e3d40058 | 217 | return 0; |
218 | } | |
219 | //PrintAll(); | |
220 | AliAODRecoDecayHF3Prong* d=(AliAODRecoDecayHF3Prong*)obj; | |
221 | ||
222 | ||
223 | if(!d){ | |
224 | cout<<"AliAODRecoDecayHF3Prong null"<<endl; | |
225 | return 0; | |
226 | } | |
227 | ||
228 | ||
229 | ||
230 | // selection on daughter tracks | |
231 | if(selectionLevel==AliRDHFCuts::kAll || | |
232 | selectionLevel==AliRDHFCuts::kTracks) { | |
233 | if(!AreDaughtersSelected(d)) return 0; | |
234 | } | |
235 | ||
236 | // selection on candidate | |
237 | if(selectionLevel==AliRDHFCuts::kAll || | |
238 | selectionLevel==AliRDHFCuts::kCandidate) { | |
239 | ||
240 | Double_t pt=d->Pt(); | |
4755453e | 241 | |
e3d40058 | 242 | Int_t ptbin=PtBin(pt); |
4755453e | 243 | |
e3d40058 | 244 | Double_t mDplusPDG = TDatabasePDG::Instance()->GetParticle(411)->Mass(); |
245 | Double_t mDplus=d->InvMassDplus(); | |
246 | if(TMath::Abs(mDplus-mDplusPDG)>fCutsRD[GetGlobalIndex(0,ptbin)])return 0; | |
247 | // if(d->PtProng(1) < fCutsRD[GetGlobalIndex(3,ptbin)] || d->PtProng(0) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0; | |
248 | if(TMath::Abs(d->PtProng(1)) < fCutsRD[GetGlobalIndex(1,ptbin)] || TMath::Abs(d->Getd0Prong(1))<fCutsRD[GetGlobalIndex(3,ptbin)])return 0;//Kaon | |
249 | if(TMath::Abs(d->PtProng(0)) < fCutsRD[GetGlobalIndex(2,ptbin)] || TMath::Abs(d->Getd0Prong(0))<fCutsRD[GetGlobalIndex(4,ptbin)])return 0;//Pion1 | |
250 | if(TMath::Abs(d->PtProng(2)) < fCutsRD[GetGlobalIndex(2,ptbin)] || TMath::Abs(d->Getd0Prong(2))<fCutsRD[GetGlobalIndex(4,ptbin)])return 0;//Pion2 | |
251 | ||
252 | ||
253 | ||
4755453e | 254 | //2track cuts |
255 | if(d->GetDist12toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)]|| d->GetDist23toPrim()<fCutsRD[GetGlobalIndex(5,ptbin)])return 0; | |
256 | if(d->Getd0Prong(0)*d->Getd0Prong(1)<0. && d->Getd0Prong(2)*d->Getd0Prong(1)<0.)return 0; | |
e3d40058 | 257 | |
4755453e | 258 | //sec vert |
259 | if(d->GetSigmaVert()>fCutsRD[GetGlobalIndex(6,ptbin)])return 0; | |
260 | ||
261 | if(d->DecayLength()<fCutsRD[GetGlobalIndex(7,ptbin)])return 0; | |
262 | ||
263 | if(TMath::Abs(d->PtProng(0))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(1))<fCutsRD[GetGlobalIndex(8,ptbin)] && TMath::Abs(d->PtProng(2))<fCutsRD[GetGlobalIndex(8,ptbin)])return 0; | |
264 | if(d->CosPointingAngle()< fCutsRD[GetGlobalIndex(9,ptbin)])return 0; | |
265 | Double_t sum2=d->Getd0Prong(0)*d->Getd0Prong(0)+d->Getd0Prong(1)*d->Getd0Prong(1)+d->Getd0Prong(2)*d->Getd0Prong(2); | |
266 | if(sum2<fCutsRD[GetGlobalIndex(10,ptbin)])return 0; | |
267 | ||
268 | //DCA | |
269 | for(Int_t i=0;i<3;i++) if(d->GetDCA(i)>fCutsRD[GetGlobalIndex(11,ptbin)]) return 0; | |
270 | ||
271 | return 1; | |
e3d40058 | 272 | } |
273 | return 1; | |
274 | } | |
275 | //--------------------------------------------------------------------------- |