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[u/mrichter/AliRoot.git] / PWGCF / FEMTOSCOPY / AliFemto / AliFemtoModelWeightGenerator.h
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76ce4b5b 1////////////////////////////////////////////////////////////////////////////////
2/// ///
3/// AliFemtoModelWeightGenerator - abstract base class for femtoscopic ///
4/// weight generator ///
5/// Authors: Adam Kisiel kisiel@mps.ohio-state.edu ///
6/// ///
7////////////////////////////////////////////////////////////////////////////////
8#ifndef ALIFEMTOMODELWEIGHTGENERATOR_H
9#define ALIFEMTOMODELWEIGHTGENERATOR_H
10
11#include "TRandom2.h"
12class AliFemtoPair;
13
14class AliFemtoModelWeightGenerator
15{
16 public:
17 AliFemtoModelWeightGenerator();
18 AliFemtoModelWeightGenerator(const AliFemtoModelWeightGenerator &aModel);
19 virtual ~AliFemtoModelWeightGenerator();
20 AliFemtoModelWeightGenerator& operator=(const AliFemtoModelWeightGenerator &aModel);
21 virtual Double_t GenerateWeight(AliFemtoPair *aPair) = 0;
22
23 virtual void SetPairType(Int_t aPairType);
24 virtual void SetPairTypeFromPair(AliFemtoPair *aPair);
25 virtual Int_t GetPairType() const;
26 virtual Int_t GetPairTypeFromPair(AliFemtoPair *aPair);
27
28 virtual Double_t GetKStar() const;
29 virtual Double_t GetKStarOut() const;
30 virtual Double_t GetKStarSide() const;
31 virtual Double_t GetKStarLong() const;
32 virtual Double_t GetRStar() const;
33 virtual Double_t GetRStarOut() const;
34 virtual Double_t GetRStarSide() const;
35 virtual Double_t GetRStarLong() const;
36
37 virtual AliFemtoModelWeightGenerator* Clone() const;
38
39 static Int_t PionPlusPionPlus();
40 static Int_t PionPlusPionMinus();
41 static Int_t KaonPlusKaonPlus();
42 static Int_t KaonPlusKaonMinus();
43 static Int_t ProtonProton();
44 static Int_t ProtonAntiproton();
45 static Int_t PionPlusKaonPlus();
46 static Int_t PionPlusKaonMinus();
47 static Int_t PionPlusProton();
48 static Int_t PionPlusAntiproton();
49 static Int_t KaonPlusProton();
50 static Int_t KaonPlusAntiproton();
51 static Int_t PairTypeNone();
52
53 protected:
54 static const Int_t fgkPairTypeNone; // no pair type set - read from model
55 static const Int_t fgkPionPlusPionPlus; // identical pion pair
56 static const Int_t fgkPionPlusPionMinus; // non-identical pion pair
57 static const Int_t fgkKaonPlusKaonPlus; // identical kaon pair
58 static const Int_t fgkKaonPlusKaonMinus; // non-identical kaon pair
59 static const Int_t fgkProtonProton; // identical proton pair
60 static const Int_t fgkProtonAntiproton; // non-identical proton pair
61 static const Int_t fgkPionPlusKaonPlus; // same-charge pion kaon pair
62 static const Int_t fgkPionPlusKaonMinus; // opposite-charge pion kaon pair
63 static const Int_t fgkPionPlusProton; // same-charge pion proton pair
64 static const Int_t fgkPionPlusAntiproton;// opposite-chare pion proton pair
65 static const Int_t fgkKaonPlusProton; // same-charge kaon proton pair
66 static const Int_t fgkKaonPlusAntiproton;// opposite-charge kaon proton pair
67
68 Int_t fPairType; // Type of the pair for which the calculation is done
69
70 Double_t fKStarOut; // relative momentum out component in PRF
71 Double_t fKStarSide; // relative momentum side component in PRF
72 Double_t fKStarLong; // relative momentum long component in PRF
73 Double_t fKStar; // relative momentum magnitude
74
75 Double_t fRStarOut; // relative separation out component in PRF
76 Double_t fRStarSide; // relative separation side component in PRF
77 Double_t fRStarLong; // relative separation long component in PRF
78 Double_t fRStar; // relative separation magnitude
79 private:
80
81#ifdef __ROOT__
82 ClassDef(AliFemtoModelWeightGenerator, 1)
83#endif
84
85 };
86
87inline Double_t AliFemtoModelWeightGenerator::GetKStar() const { return fKStar; }
88inline Double_t AliFemtoModelWeightGenerator::GetKStarOut() const { return fKStarOut; }
89inline Double_t AliFemtoModelWeightGenerator::GetKStarSide() const { return fKStarSide; }
90inline Double_t AliFemtoModelWeightGenerator::GetKStarLong() const { return fKStarLong; }
91inline Double_t AliFemtoModelWeightGenerator::GetRStar() const { return fRStar; }
92inline Double_t AliFemtoModelWeightGenerator::GetRStarOut() const { return fRStarOut; }
93inline Double_t AliFemtoModelWeightGenerator::GetRStarSide() const { return fRStarSide; }
94inline Double_t AliFemtoModelWeightGenerator::GetRStarLong() const { return fRStarLong; }
95
96inline Int_t AliFemtoModelWeightGenerator::PairTypeNone() { return fgkPairTypeNone; }
97inline Int_t AliFemtoModelWeightGenerator::PionPlusPionPlus() { return fgkPionPlusPionPlus; }
98inline Int_t AliFemtoModelWeightGenerator::PionPlusPionMinus() { return fgkPionPlusPionMinus; }
99inline Int_t AliFemtoModelWeightGenerator::KaonPlusKaonPlus() { return fgkKaonPlusKaonPlus; }
100inline Int_t AliFemtoModelWeightGenerator::KaonPlusKaonMinus() { return fgkKaonPlusKaonMinus; }
101inline Int_t AliFemtoModelWeightGenerator::ProtonProton() { return fgkProtonProton; }
102inline Int_t AliFemtoModelWeightGenerator::ProtonAntiproton() { return fgkProtonAntiproton; }
103inline Int_t AliFemtoModelWeightGenerator::PionPlusKaonPlus() { return fgkPionPlusKaonPlus; }
104inline Int_t AliFemtoModelWeightGenerator::PionPlusKaonMinus() { return fgkPionPlusKaonMinus; }
105inline Int_t AliFemtoModelWeightGenerator::PionPlusProton() { return fgkPionPlusProton; }
106inline Int_t AliFemtoModelWeightGenerator::PionPlusAntiproton() { return fgkPionPlusAntiproton; }
107inline Int_t AliFemtoModelWeightGenerator::KaonPlusProton() { return fgkKaonPlusProton; }
108inline Int_t AliFemtoModelWeightGenerator::KaonPlusAntiproton() { return fgkKaonPlusAntiproton; }
109
110#endif
111
112