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Commit | Line | Data |
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110620ce | 1 | // |
4e4fb2f6 | 2 | // This cut implements all the checks done to accept a track as a Kaon |
3 | // for the pp analysis using 2010 runs. | |
4 | // It is based on standard cuts on track quality and nsigma cuts | |
5 | // with respect to the TPC and TOF signals for the PID. | |
110620ce | 6 | // |
7 | ||
8 | #include <Riostream.h> | |
9 | ||
10 | #include "AliPID.h" | |
11 | #include "AliPIDResponse.h" | |
de767d44 | 12 | #include "AliESDpid.h" |
13 | #include "AliAODpidUtil.h" | |
14 | ||
110620ce | 15 | #include "AliRsnCutKaonForPhi2010PP.h" |
16 | ||
17 | ClassImp(AliRsnCutKaonForPhi2010PP) | |
18 | ||
19 | //__________________________________________________________________________________________________ | |
20 | AliRsnCutKaonForPhi2010PP::AliRsnCutKaonForPhi2010PP(const char *name) : | |
21 | AliRsnCut(name, AliRsnTarget::kDaughter, -3.0, 3.0), | |
22 | fNSigmaTPCLow(5.0), | |
23 | fNSigmaTPCHigh(3.0), | |
24 | fLimitTPC(0.350), | |
25 | fNSigmaTOF(3.0), | |
de767d44 | 26 | fMyPID(0x0), |
110620ce | 27 | fCutQuality(Form("%sQuality", name)) |
28 | { | |
29 | // | |
30 | // Constructor | |
31 | // Initialize the contained cuts and sets defaults | |
32 | // | |
33 | ||
34 | // track quality | |
35 | //fCutQuality.AddStatusFlag(AliESDtrack::kTPCin , kTRUE); | |
36 | //fCutQuality.AddStatusFlag(AliESDtrack::kTPCrefit, kTRUE); | |
37 | //fCutQuality.AddStatusFlag(AliESDtrack::kITSrefit, kTRUE); | |
38 | fCutQuality.SetPtRange(0.15, 1E+20); | |
39 | fCutQuality.SetEtaRange(-0.8, 0.8); | |
40 | fCutQuality.SetDCARPtFormula("0.0182+0.0350/pt^1.01"); | |
41 | fCutQuality.SetDCAZmax(2.0); | |
42 | fCutQuality.SetSPDminNClusters(1); | |
43 | fCutQuality.SetITSminNClusters(0); | |
44 | fCutQuality.SetITSmaxChi2(1E+20); | |
45 | fCutQuality.SetTPCminNClusters(70); | |
46 | fCutQuality.SetTPCmaxChi2(4.0); | |
47 | fCutQuality.SetRejectKinkDaughters(); | |
48 | fCutQuality.SetAODTestFilterBit(5); | |
49 | } | |
50 | ||
de767d44 | 51 | //__________________________________________________________________________________________________ |
52 | AliRsnCutKaonForPhi2010PP::AliRsnCutKaonForPhi2010PP(const AliRsnCutKaonForPhi2010PP ©) : | |
53 | AliRsnCut(copy), | |
54 | fNSigmaTPCLow(copy.fNSigmaTPCLow), | |
55 | fNSigmaTPCHigh(copy.fNSigmaTPCHigh), | |
56 | fLimitTPC(copy.fLimitTPC), | |
57 | fNSigmaTOF(copy.fNSigmaTOF), | |
58 | fMyPID(copy.fMyPID), | |
59 | fCutQuality(copy.fCutQuality) | |
60 | { | |
61 | // | |
62 | // Copy constructor | |
63 | // | |
64 | } | |
65 | ||
66 | //__________________________________________________________________________________________________ | |
67 | AliRsnCutKaonForPhi2010PP& AliRsnCutKaonForPhi2010PP::operator=(const AliRsnCutKaonForPhi2010PP ©) | |
68 | { | |
69 | // | |
70 | // Assignment operator | |
71 | // | |
72 | ||
73 | AliRsnCut::operator=(copy); | |
74 | ||
75 | fNSigmaTPCLow = copy.fNSigmaTPCLow; | |
76 | fNSigmaTPCHigh = copy.fNSigmaTPCHigh; | |
77 | fLimitTPC = copy.fLimitTPC; | |
78 | fNSigmaTOF = copy.fNSigmaTOF; | |
79 | fMyPID = copy.fMyPID; | |
80 | fCutQuality = copy.fCutQuality; | |
81 | ||
82 | return *this; | |
83 | } | |
84 | ||
85 | //__________________________________________________________________________________________________ | |
86 | void AliRsnCutKaonForPhi2010PP::InitMyPID(Bool_t isMC, Bool_t isESD) | |
87 | { | |
88 | // | |
89 | // Initialize manual PID object | |
90 | // | |
91 | ||
92 | if (isESD) | |
93 | fMyPID = new AliESDpid(isMC); | |
94 | else | |
95 | fMyPID = new AliAODpidUtil(isMC); | |
96 | } | |
97 | ||
110620ce | 98 | //__________________________________________________________________________________________________ |
99 | Bool_t AliRsnCutKaonForPhi2010PP::IsSelected(TObject *obj) | |
100 | { | |
101 | // | |
102 | // Global check | |
103 | // | |
104 | ||
105 | // coherence check | |
106 | if (!TargetOK(obj)) return kFALSE; | |
107 | ||
108 | // check track | |
a2455d2a | 109 | AliVTrack *track = dynamic_cast<AliVTrack*>(fDaughter->GetRef()); |
110 | if (!track) return kFALSE; | |
110620ce | 111 | |
112 | // check flags | |
113 | if ((track->GetStatus() & AliESDtrack::kTPCin ) == 0) return kFALSE; | |
114 | if ((track->GetStatus() & AliESDtrack::kTPCrefit) == 0) return kFALSE; | |
115 | if ((track->GetStatus() & AliESDtrack::kITSrefit) == 0) return kFALSE; | |
116 | ||
117 | // quality | |
118 | if (!fCutQuality.IsSelected(obj)) return kFALSE; | |
119 | ||
120 | // check initialization of PID object | |
121 | AliPIDResponse *pid = fEvent->GetPIDResponse(); | |
122 | if (!pid) { | |
123 | AliFatal("NULL PID response"); | |
124 | return kFALSE; | |
125 | } | |
126 | ||
127 | // PID TPC : | |
128 | // depends on momentum | |
de767d44 | 129 | // and if local PID object is initialized, it is used instead of that got from manager |
c31027eb | 130 | Double_t mom = track->GetTPCmomentum(); |
131 | mom = TMath::Abs(mom); | |
a2455d2a | 132 | if (mom < fLimitTPC) |
110620ce | 133 | SetRangeD(0.0, fNSigmaTPCLow); |
134 | else | |
135 | SetRangeD(0.0, fNSigmaTPCHigh); | |
de767d44 | 136 | if (fMyPID) |
137 | fCutValueD = TMath::Abs(fMyPID->NumberOfSigmasTPC(track, AliPID::kKaon)); | |
138 | else | |
139 | fCutValueD = TMath::Abs(pid->NumberOfSigmasTPC(track, AliPID::kKaon)); | |
110620ce | 140 | if (!OkRangeD()) return kFALSE; |
141 | ||
142 | // if TOF is not matched, end here | |
143 | // otherwise check TOF | |
144 | if (!MatchTOF(track)) | |
145 | return kTRUE; | |
146 | else { | |
147 | SetRangeD(0.0, fNSigmaTOF); | |
148 | fCutValueD = TMath::Abs(pid->NumberOfSigmasTOF(track, AliPID::kKaon)); | |
149 | return OkRangeD(); | |
150 | } | |
151 | } |