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4966b266 | 1 | #ifndef AliGenAfterBurnerFlow_h |
2 | #define AliGenAfterBurnerFlow_h | |
3 | ||
4 | //////////////////////////////////////////////////////////////////////////////////////////////////// | |
5 | // | |
6 | // AliGenAfterBurnerFlow is a After Burner event generator applying flow. | |
7 | // The generator changes Phi coordinate of the particle momentum. | |
8 | // Flow (directed and elliptical) can be defined on particle type level | |
9 | // | |
10 | // For examples, parameters and testing macros refer to: | |
11 | // http:/home.cern.ch/radomski | |
12 | // | |
13 | // Author: | |
14 | // Sylwester Radomski, | |
15 | // GSI, April 2002 | |
16 | // | |
17 | // S.Radomski@gsi.de | |
18 | // | |
19 | //////////////////////////////////////////////////////////////////////////////////////////////////// | |
20 | ||
21 | ||
22 | #include "AliGenerator.h" | |
23 | ||
24 | class TObjArray; | |
25 | ||
26 | class AliGenAfterBurnerFlow : public AliGenerator { | |
27 | ||
28 | public: | |
29 | ||
30 | AliGenAfterBurnerFlow(); | |
31 | AliGenAfterBurnerFlow(Float_t reactionPlane); | |
32 | ||
33 | ~AliGenAfterBurnerFlow(); | |
34 | ||
35 | void SetDirected(Int_t pdg, Float_t v11, Float_t v12 = 0, Float_t v13 = 1, Float_t v14 = 0); | |
36 | void SetElliptic(Int_t pdg, Float_t v21, Float_t v22 = 0, Float_t v23 = 0); | |
37 | ||
38 | void SetDefDirected(Float_t v11, Float_t v12 = 0, Float_t v13 = 1, Float_t v14 = 0); | |
39 | void SetDefElliptic(Float_t v21, Float_t v22 = 0, Float_t v23 = 0); | |
40 | ||
41 | void Init(); | |
42 | void Generate(); | |
43 | ||
44 | private: | |
45 | ||
46 | static const Int_t kN = 30; | |
47 | ||
48 | Float_t GetCoeff(Int_t pdg, Int_t n, Float_t Pt, Float_t Y); | |
49 | void SetFlowParameters(Int_t pdg, Int_t order, Float_t v1, Float_t v2, Float_t v3, Float_t v4); | |
50 | ||
51 | Float_t fReactionPlane; // Reaction plane angle (in rad) | |
52 | Float_t fParams[kN][6]; // parameters (0: pdg, 1: order, 2-5: actual parameters) | |
53 | Int_t fCounter; // counter | |
54 | ||
55 | public: | |
56 | ||
57 | ClassDef(AliGenAfterBurnerFlow,1) | |
58 | ||
59 | }; | |
60 | ||
61 | //////////////////////////////////////////////////////////////////////////////////////////////////// | |
62 | ||
63 | #endif |