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4755453e | 1 | /**************************************************************************\r |
2 | * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *\r | |
3 | * *\r | |
4 | * Author: The ALICE Off-line Project. *\r | |
5 | * Contributors are mentioned in the code where appropriate. *\r | |
6 | * *\r | |
7 | * Permission to use, copy, modify and distribute this software and its *\r | |
8 | * documentation strictly for non-commercial purposes is hereby granted *\r | |
9 | * without fee, provided that the above copyright notice appears in all *\r | |
10 | * copies and that both the copyright notice and this permission notice *\r | |
11 | * appear in the supporting documentation. The authors make no claims *\r | |
12 | * about the suitability of this software for any purpose. It is *\r | |
13 | * provided "as is" without express or implied warranty. *\r | |
14 | **************************************************************************/\r | |
15 | \r | |
16 | /////////////////////////////////////////////////////////////\r | |
17 | //\r | |
18 | // Class for cuts on AOD reconstructed D0->Kpipipi\r | |
19 | //\r | |
20 | // Author: r.romita@gsi.de, andrea.dainese@pd.infn.it\r | |
21 | /////////////////////////////////////////////////////////////\r | |
22 | \r | |
23 | #include <TDatabasePDG.h>\r | |
24 | #include <Riostream.h>\r | |
25 | \r | |
26 | #include "AliRDHFCutsD0toKpipipi.h"\r | |
27 | #include "AliAODRecoDecayHF4Prong.h"\r | |
28 | #include "AliAODTrack.h"\r | |
29 | #include "AliESDtrack.h"\r | |
30 | \r | |
31 | ClassImp(AliRDHFCutsD0toKpipipi)\r | |
32 | \r | |
33 | //--------------------------------------------------------------------------\r | |
a9b75906 | 34 | AliRDHFCutsD0toKpipipi::AliRDHFCutsD0toKpipipi(const char* name) : \r |
35 | AliRDHFCuts(name)\r | |
4755453e | 36 | {\r |
37 | //\r | |
38 | // Default Constructor\r | |
39 | //\r | |
40 | Int_t nvars=9;\r | |
41 | SetNVars(nvars);\r | |
42 | TString varNames[9]={"inv. mass [GeV]", \r | |
43 | "dca [cm]",\r | |
44 | "Dist 2-trk Vtx to PrimVtx [cm]",\r | |
45 | "Dist 3-trk Vtx to PrimVtx [cm]",\r | |
46 | "Dist 4-trk Vtx to PrimVtx [cm]",\r | |
47 | "cosThetaPoint",\r | |
48 | "pt [GeV/c]",\r | |
49 | "rho mass [GeV]",\r | |
50 | "PID cut"};\r | |
51 | Bool_t isUpperCut[9]={kTRUE,\r | |
52 | kTRUE,\r | |
53 | kFALSE,\r | |
54 | kFALSE,\r | |
55 | kFALSE,\r | |
56 | kFALSE,\r | |
57 | kFALSE,\r | |
58 | kTRUE,\r | |
59 | kFALSE};\r | |
60 | SetVarNames(nvars,varNames,isUpperCut);\r | |
61 | Bool_t forOpt[9]={kFALSE,\r | |
62 | kTRUE,\r | |
63 | kTRUE,\r | |
64 | kTRUE,\r | |
65 | kTRUE,\r | |
66 | kTRUE,\r | |
67 | kFALSE,\r | |
68 | kFALSE,\r | |
69 | kFALSE};\r | |
70 | SetVarsForOpt(5,forOpt);\r | |
71 | Float_t limits[2]={0,999999999.};\r | |
72 | SetPtBins(2,limits);\r | |
73 | }\r | |
74 | //--------------------------------------------------------------------------\r | |
75 | AliRDHFCutsD0toKpipipi::AliRDHFCutsD0toKpipipi(const AliRDHFCutsD0toKpipipi &source) :\r | |
76 | AliRDHFCuts(source)\r | |
77 | {\r | |
78 | //\r | |
79 | // Copy constructor\r | |
80 | //\r | |
81 | \r | |
82 | }\r | |
83 | //--------------------------------------------------------------------------\r | |
84 | AliRDHFCutsD0toKpipipi &AliRDHFCutsD0toKpipipi::operator=(const AliRDHFCutsD0toKpipipi &source)\r | |
85 | {\r | |
86 | //\r | |
87 | // assignment operator\r | |
88 | //\r | |
89 | if(&source == this) return *this;\r | |
90 | \r | |
91 | AliRDHFCuts::operator=(source);\r | |
92 | \r | |
93 | return *this;\r | |
94 | }\r | |
95 | \r | |
96 | \r | |
97 | //---------------------------------------------------------------------------\r | |
98 | void AliRDHFCutsD0toKpipipi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters) {\r | |
99 | // \r | |
100 | // Fills in vars the values of the variables \r | |
101 | //\r | |
102 | \r | |
103 | if(nvars!=fnVarsForOpt) {\r | |
104 | printf("AliRDHFCutsD0toKpipipi::GetCutsVarsForOpt: wrong number of variables\n");\r | |
105 | return;\r | |
106 | }\r | |
107 | \r | |
108 | AliAODRecoDecayHF4Prong *dd = (AliAODRecoDecayHF4Prong*)d;\r | |
109 | \r | |
110 | Int_t iter=-1;\r | |
111 | \r | |
112 | if(fVarsForOpt[0]) {\r | |
113 | iter++;\r | |
114 | Double_t mD0[2],mD0bar[2];\r | |
115 | if(TMath::Abs(pdgdaughters[1])==321 || TMath::Abs(pdgdaughters[3])==321) {\r | |
116 | dd->InvMassD0(mD0);\r | |
117 | if(TMath::Abs(pdgdaughters[1])==321) {\r | |
118 | vars[iter]=mD0[0];\r | |
119 | }else{\r | |
120 | vars[iter]=mD0[1];\r | |
121 | }\r | |
122 | } else {\r | |
123 | dd->InvMassD0bar(mD0bar);\r | |
124 | if(TMath::Abs(pdgdaughters[0])==321) {\r | |
125 | vars[iter]=mD0[0];\r | |
126 | }else{\r | |
127 | vars[iter]=mD0[1];\r | |
128 | }\r | |
129 | }\r | |
130 | }\r | |
131 | \r | |
132 | if(fVarsForOpt[1]){\r | |
133 | iter++;\r | |
134 | vars[iter]=dd->GetDCA();\r | |
135 | }\r | |
136 | \r | |
137 | if(fVarsForOpt[2]){\r | |
138 | iter++;\r | |
139 | vars[iter]=dd->GetDist12toPrim();\r | |
140 | }\r | |
141 | if(fVarsForOpt[3]){\r | |
142 | iter++;\r | |
143 | vars[iter]=dd->GetDist3toPrim();\r | |
144 | }\r | |
145 | if(fVarsForOpt[4]){\r | |
146 | iter++;\r | |
147 | vars[iter]=dd->GetDist4toPrim();\r | |
148 | }\r | |
149 | if(fVarsForOpt[5]){\r | |
150 | iter++;\r | |
151 | vars[iter]=dd->CosPointingAngle();\r | |
152 | }\r | |
153 | if(fVarsForOpt[6]){\r | |
154 | iter++;\r | |
155 | vars[iter]=dd->Pt();\r | |
156 | }\r | |
157 | if(fVarsForOpt[7]){\r | |
158 | iter++;\r | |
159 | vars[iter]=999999999.;\r | |
160 | printf("ERROR: optmization for rho mass cut not implemented\n");\r | |
161 | }\r | |
162 | if(fVarsForOpt[8]){\r | |
163 | iter++;\r | |
164 | vars[iter]=999999999.;\r | |
165 | printf("ERROR: optmization for PID cut not implemented\n");\r | |
166 | }\r | |
167 | \r | |
168 | return;\r | |
169 | }\r | |
170 | //---------------------------------------------------------------------------\r | |
171 | Int_t AliRDHFCutsD0toKpipipi::IsSelected(TObject* obj,Int_t selectionLevel) {\r | |
172 | //\r | |
173 | // Apply selection\r | |
174 | //\r | |
175 | \r | |
176 | if(!fCutsRD){\r | |
177 | cout<<"Cut matrix not inizialized. Exit..."<<endl;\r | |
178 | return 0;\r | |
179 | }\r | |
180 | //PrintAll();\r | |
181 | AliAODRecoDecayHF4Prong* d=(AliAODRecoDecayHF4Prong*)obj;\r | |
182 | \r | |
183 | if(!d){\r | |
184 | cout<<"AliAODRecoDecayHF4Prong null"<<endl;\r | |
185 | return 0;\r | |
186 | }\r | |
187 | \r | |
188 | \r | |
189 | // selection on daughter tracks \r | |
190 | if(selectionLevel==AliRDHFCuts::kAll || \r | |
191 | selectionLevel==AliRDHFCuts::kTracks) {\r | |
192 | if(!AreDaughtersSelected(d)) return 0;\r | |
193 | }\r | |
194 | \r | |
195 | \r | |
196 | Int_t returnvalue=1;\r | |
197 | \r | |
198 | // selection on candidate\r | |
199 | if(selectionLevel==AliRDHFCuts::kAll || \r | |
200 | selectionLevel==AliRDHFCuts::kCandidate) {\r | |
201 | \r | |
202 | Int_t ptbin=PtBin(d->Pt());\r | |
203 | \r | |
204 | Int_t okD0=1,okD0bar=1; \r | |
205 | Double_t mD0[2],mD0bar[2];\r | |
206 | Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();\r | |
207 | \r | |
208 | d->InvMassD0(mD0);\r | |
209 | if(TMath::Abs(mD0[0]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)] &&\r | |
210 | TMath::Abs(mD0[1]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0;\r | |
211 | d->InvMassD0bar(mD0bar);\r | |
212 | if(TMath::Abs(mD0bar[0]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)] &&\r | |
213 | TMath::Abs(mD0bar[1]-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0;\r | |
214 | if(!okD0 && !okD0bar) return 0;\r | |
215 | \r | |
216 | if(d->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) return 0;\r | |
217 | if(d->GetDist12toPrim() < fCutsRD[GetGlobalIndex(2,ptbin)]) return 0;\r | |
218 | if(d->GetDist3toPrim() < fCutsRD[GetGlobalIndex(3,ptbin)]) return 0;\r | |
219 | if(d->GetDist4toPrim() < fCutsRD[GetGlobalIndex(4,ptbin)]) return 0;\r | |
220 | if(d->CosPointingAngle() < fCutsRD[GetGlobalIndex(5,ptbin)]) return 0;\r | |
221 | if(d->Pt() < fCutsRD[GetGlobalIndex(6,ptbin)]) return 0;\r | |
222 | if(!d->CutRhoMass(mD0,mD0bar,fCutsRD[GetGlobalIndex(0,ptbin)],fCutsRD[GetGlobalIndex(7,ptbin)])) return 0;\r | |
223 | \r | |
224 | if (okD0) returnvalue=1; //cuts passed as D0\r | |
225 | if (okD0bar) returnvalue=2; //cuts passed as D0bar\r | |
226 | if (okD0 && okD0bar) returnvalue=3; //cuts passed as D0 and D0bar\r | |
227 | }\r | |
228 | \r | |
229 | return returnvalue;\r | |
230 | }\r | |
231 | //---------------------------------------------------------------------------\r |