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cf32f0e9 | 1 | //////////////////////////////////////////////////////////////////////////// |
2 | // // | |
3 | // AliFemtoAnalysisReactionPlane - Femtoscopic analysis which mixes event // | |
4 | // with respect to the z position of the primary vertex and event total // | |
5 | // multiplicity and uses only events in certain reaction plane angle bin // | |
6 | // // | |
7 | //////////////////////////////////////////////////////////////////////////// | |
8 | ||
9 | #include <TMath.h> | |
10 | #include "AliFemtoAnalysisReactionPlane.h" | |
11 | #include "AliFemtoParticleCollection.h" | |
12 | #include "AliFemtoTrackCut.h" | |
13 | #include "AliFemtoV0Cut.h" | |
14 | #include "AliFemtoKinkCut.h" | |
15 | #include "AliFemtoPicoEventCollectionVector.h" | |
16 | #include "AliFemtoPicoEventCollectionVectorHideAway.h" | |
17 | ||
18 | #ifdef __ROOT__ | |
19 | ClassImp(AliFemtoAnalysisReactionPlane) | |
20 | #endif | |
21 | ||
22 | extern void FillHbtParticleCollection(AliFemtoParticleCut* partCut, | |
23 | AliFemtoEvent* hbtEvent, | |
24 | AliFemtoParticleCollection* partCollection); | |
25 | ||
26 | ||
27 | //____________________________ | |
28 | AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(unsigned int binsVertex, double minVertex, double maxVertex, | |
29 | unsigned int binsMult, double minMult, double maxMult, unsigned short binsRP) | |
30 | : | |
31 | fVertexZBins(binsVertex), | |
32 | fOverFlowVertexZ(0), | |
33 | fUnderFlowVertexZ(0), | |
34 | fMultBins(binsMult) , | |
35 | fOverFlowMult(0), | |
36 | fUnderFlowMult(0), | |
37 | fRPBins(binsRP), | |
38 | fCurrentRP(0) | |
39 | { | |
40 | // mControlSwitch = 0; | |
41 | fEventCut = 0; | |
42 | fFirstParticleCut = 0; | |
43 | fSecondParticleCut = 0; | |
44 | fPairCut = 0; | |
45 | fCorrFctnCollection= 0; | |
46 | fCorrFctnCollection = new AliFemtoCorrFctnCollection; | |
47 | fVertexZ[0] = minVertex; | |
48 | fVertexZ[1] = maxVertex; | |
49 | fUnderFlowVertexZ = 0; | |
50 | fOverFlowVertexZ = 0; | |
51 | fMult[0] = minMult; | |
52 | fMult[1] = maxMult; | |
53 | fUnderFlowMult = 0; | |
54 | fOverFlowMult = 0; | |
55 | if (fMixingBuffer) delete fMixingBuffer; | |
56 | fPicoEventCollectionVectorHideAway = new AliFemtoPicoEventCollectionVectorHideAway(fVertexZBins,fVertexZ[0],fVertexZ[1], | |
57 | fMultBins,fMult[0],fMult[1], | |
58 | fRPBins,0.0,TMath::Pi()); | |
59 | } | |
60 | //____________________________ | |
61 | ||
62 | AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) : | |
63 | AliFemtoSimpleAnalysis(), | |
64 | fVertexZBins(a.fVertexZBins), | |
65 | fOverFlowVertexZ(0), | |
66 | fUnderFlowVertexZ(0), | |
67 | fMultBins(a.fMultBins) , | |
68 | fOverFlowMult(0), | |
69 | fUnderFlowMult(0), | |
70 | fRPBins(a.fRPBins), | |
71 | fCurrentRP(0) | |
72 | { | |
73 | //AliFemtoAnalysisReactionPlane(); | |
74 | fEventCut = 0; | |
75 | fFirstParticleCut = 0; | |
76 | fSecondParticleCut = 0; | |
77 | fPairCut = 0; | |
78 | fCorrFctnCollection= 0; | |
79 | fCorrFctnCollection = new AliFemtoCorrFctnCollection; | |
80 | fVertexZ[0] = a.fVertexZ[0]; | |
81 | fVertexZ[1] = a.fVertexZ[1]; | |
82 | fUnderFlowVertexZ = 0; | |
83 | fOverFlowVertexZ = 0; | |
84 | fMult[0] = a.fMult[0]; | |
85 | fMult[1] = a.fMult[1]; | |
86 | fUnderFlowMult = 0; | |
87 | fOverFlowMult = 0; | |
88 | if (fMixingBuffer) delete fMixingBuffer; | |
89 | fPicoEventCollectionVectorHideAway = new AliFemtoPicoEventCollectionVectorHideAway(fVertexZBins,fVertexZ[0],fVertexZ[1], | |
90 | fMultBins,fMult[0],fMult[1], | |
91 | fRPBins,0.0,TMath::Pi()); | |
92 | ||
93 | // find the right event cut | |
94 | fEventCut = a.fEventCut->Clone(); | |
95 | // find the right first particle cut | |
96 | fFirstParticleCut = a.fFirstParticleCut->Clone(); | |
97 | // find the right second particle cut | |
98 | if (a.fFirstParticleCut==a.fSecondParticleCut) | |
99 | SetSecondParticleCut(fFirstParticleCut); // identical particle hbt | |
100 | else | |
101 | fSecondParticleCut = a.fSecondParticleCut->Clone(); | |
102 | ||
103 | fPairCut = a.fPairCut->Clone(); | |
104 | ||
105 | if ( fEventCut ) { | |
106 | SetEventCut(fEventCut); // this will set the myAnalysis pointer inside the cut | |
107 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - event cut set " << endl; | |
108 | } | |
109 | if ( fFirstParticleCut ) { | |
110 | SetFirstParticleCut(fFirstParticleCut); // this will set the myAnalysis pointer inside the cut | |
111 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - first particle cut set " << endl; | |
112 | } | |
113 | if ( fSecondParticleCut ) { | |
114 | SetSecondParticleCut(fSecondParticleCut); // this will set the myAnalysis pointer inside the cut | |
115 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - second particle cut set " << endl; | |
116 | } if ( fPairCut ) { | |
117 | SetPairCut(fPairCut); // this will set the myAnalysis pointer inside the cut | |
118 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - pair cut set " << endl; | |
119 | } | |
120 | ||
121 | AliFemtoCorrFctnIterator iter; | |
122 | for (iter=a.fCorrFctnCollection->begin(); iter!=a.fCorrFctnCollection->end();iter++){ | |
123 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - looking for correlation functions " << endl; | |
124 | AliFemtoCorrFctn* fctn = (*iter)->Clone(); | |
125 | if (fctn) AddCorrFctn(fctn); | |
126 | else cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - correlation function not found " << endl; | |
127 | } | |
128 | ||
129 | fNumEventsToMix = a.fNumEventsToMix; | |
130 | ||
131 | cout << " AliFemtoAnalysisReactionPlane::AliFemtoAnalysisReactionPlane(const AliFemtoAnalysisReactionPlane& a) - analysis copied " << endl; | |
132 | ||
133 | } | |
134 | //____________________________ | |
135 | AliFemtoAnalysisReactionPlane::~AliFemtoAnalysisReactionPlane(){ | |
136 | // now delete every PicoEvent in the EventMixingBuffer and then the Buffer itself | |
137 | delete fPicoEventCollectionVectorHideAway; | |
138 | } | |
139 | ||
140 | //____________________________ | |
141 | AliFemtoString AliFemtoAnalysisReactionPlane::Report() | |
142 | { | |
143 | // Prepare a report of the execution | |
144 | cout << "AliFemtoAnalysisReactionPlane - constructing Report..."<<endl; | |
145 | char ctemp[200]; | |
146 | AliFemtoString temp = "-----------\nHbt AliFemtoAnalysisReactionPlane Report:\n"; | |
147 | sprintf(ctemp,"Events are mixed in %d VertexZ bins in the range %E cm to %E cm.\n",fVertexZBins,fVertexZ[0],fVertexZ[1]); | |
148 | temp += ctemp; | |
149 | sprintf(ctemp,"Events underflowing: %d\n",fUnderFlowVertexZ); | |
150 | temp += ctemp; | |
151 | sprintf(ctemp,"Events overflowing: %d\n",fOverFlowVertexZ); | |
152 | temp += ctemp; | |
153 | sprintf(ctemp,"Events are mixed in %d Mult bins in the range %E cm to %E cm.\n",fMultBins,fMult[0],fMult[1]); | |
154 | temp += ctemp; | |
155 | sprintf(ctemp,"Events underflowing: %d\n",fUnderFlowMult); | |
156 | temp += ctemp; | |
157 | sprintf(ctemp,"Events overflowing: %d\n",fOverFlowMult); | |
158 | temp += ctemp; | |
159 | sprintf(ctemp,"Now adding AliFemtoSimpleAnalysis(base) Report\n"); | |
160 | temp += ctemp; | |
161 | temp += AliFemtoSimpleAnalysis::Report(); | |
162 | AliFemtoString returnThis=temp; | |
163 | return returnThis; | |
164 | } | |
165 | //_________________________ | |
166 | void AliFemtoAnalysisReactionPlane::ProcessEvent(const AliFemtoEvent* hbtEvent) { | |
167 | // Perform event processing | |
168 | // in bins of z vertex and multiplicity | |
169 | ||
170 | // cout << " AliFemtoAnalysisReactionPlane::ProcessEvent(const AliFemtoEvent* hbtEvent) " << endl; | |
171 | // get right mixing buffer | |
172 | double vertexZ = hbtEvent->PrimVertPos().z(); | |
173 | double mult = hbtEvent->UncorrectedNumberOfPrimaries(); | |
fee52126 | 174 | fCurrentRP = hbtEvent->ReactionPlaneAngle(); |
cf32f0e9 | 175 | |
176 | fMixingBuffer = fPicoEventCollectionVectorHideAway->PicoEventCollection(vertexZ,mult,fCurrentRP); | |
177 | if (!fMixingBuffer) { | |
178 | if ( vertexZ < fVertexZ[0] ) fUnderFlowVertexZ++; | |
179 | if ( vertexZ > fVertexZ[1] ) fOverFlowVertexZ++; | |
180 | if ( mult < fMult[0] ) fUnderFlowMult++; | |
181 | if ( mult > fMult[1] ) fOverFlowMult++; | |
182 | return; | |
183 | } | |
184 | // call ProcessEvent() from AliFemtoSimpleAnalysis-base | |
185 | AliFemtoSimpleAnalysis::ProcessEvent(hbtEvent); | |
186 | } | |
187 | ||
fee52126 | 188 | double AliFemtoAnalysisReactionPlane::GetCurrentReactionPlane() |
cf32f0e9 | 189 | { |
190 | return fCurrentRP; | |
191 | } |