Line data Source code
1 : #ifndef ALICOLLISIONGEOMETRY_H
2 : #define ALICOLLISIONGEOMETRY_H
3 : /* Copyright(c) 198-1999, ALICE Experiment at CERN, All rights reserved. *
4 : * See cxx source for full Copyright notice */
5 :
6 : /* $Id$ */
7 : //-------------------------------------------------------------------------
8 : // Class AliCollisionGeometry
9 : // This is a class to handle the collison geometry defined by
10 : // the generator
11 : //-------------------------------------------------------------------------
12 :
13 : #include <Rtypes.h>
14 :
15 : class AliCollisionGeometry
16 : {
17 : public:
18 : AliCollisionGeometry();
19 : AliCollisionGeometry(const AliCollisionGeometry& cgeo);
20 0 : virtual ~AliCollisionGeometry(){;}
21 : // Getters
22 0 : Float_t ImpactParameter() const {return fImpactParameter;}
23 0 : Float_t ReactionPlaneAngle() const {return fReactionPlaneAngle;}
24 0 : Int_t HardScatters() const {return fNHardScatters;}
25 0 : Int_t ProjectileParticipants() const {return fNProjectileParticipants;}
26 0 : Int_t TargetParticipants() const {return fNTargetParticipants;}
27 0 : Int_t ProjSpectatorsn() const {return fProjectileSpecn;}
28 0 : Int_t ProjSpectatorsp() const {return fProjectileSpecp;}
29 0 : Int_t TargSpectatorsn() const {return fTargetSpecn; }
30 0 : Int_t TargSpectatorsp() const {return fTargetSpecp; }
31 0 : Int_t NN() const {return fNNColl;}
32 0 : Int_t NNw() const {return fNNwColl;}
33 0 : Int_t NwN() const {return fNwNColl;}
34 0 : Int_t NwNw() const {return fNwNwColl;}
35 0 : void SetNDiffractive(Int_t sd1, Int_t sd2, Int_t sdd) {fNSD1 = sd1; fNSD2 = sd2; fNDD = sdd;}
36 : // Setters
37 0 : void SetImpactParameter(Float_t b) {fImpactParameter=b;}
38 0 : void SetReactionPlaneAngle(Float_t phi) {fReactionPlaneAngle = phi;}
39 0 : void SetHardScatters(Int_t n) {fNHardScatters=n;}
40 : void SetParticipants(Int_t np, Int_t nt)
41 0 : {fNProjectileParticipants=np, fNTargetParticipants=nt;}
42 : void SetCollisions(Int_t nn, Int_t nnw, Int_t nwn, Int_t nwnw)
43 0 : {fNNColl=nn, fNNwColl=nnw, fNwNColl=nwn, fNwNwColl=nwnw;}
44 : void SetSpectators(Int_t nprojspecn, Int_t nprojspecp, Int_t ntargspecn, Int_t ntargspecp)
45 0 : {fProjectileSpecn=nprojspecn, fProjectileSpecp=nprojspecp,
46 0 : fTargetSpecn=ntargspecn, fTargetSpecp=ntargspecp;}
47 0 : void GetNDiffractive(Int_t& sd1, Int_t& sd2, Int_t& sdd) {sd1 = fNSD1; sd2 = fNSD2; sdd = fNDD;}
48 : protected:
49 : Int_t fNHardScatters; // Number of hard scatterings
50 : Int_t fNProjectileParticipants; // Number of projectiles participants
51 : Int_t fNTargetParticipants; // Number of target participants
52 : Int_t fNNColl; // Number of N-N collisions
53 : Int_t fNNwColl; // Number of N-Nwounded collisions
54 : Int_t fNwNColl; // Number of Nwounded-N collisons
55 : Int_t fNwNwColl; // Number of Nwounded-Nwounded collisions
56 : Int_t fProjectileSpecn; // Num. of spectator neutrons from projectile nucleus
57 : Int_t fProjectileSpecp; // Num. of spectator protons from projectile nucleus
58 : Int_t fTargetSpecn; // Num. of spectator neutrons from target nucleus
59 : Int_t fTargetSpecp; // Num. of spectator protons from target nucleus
60 : Float_t fImpactParameter; // Impact Parameter
61 : Float_t fReactionPlaneAngle; // Reaction plane angle
62 : Int_t fNSD1; // number of SD1 in pA, AA
63 : Int_t fNSD2; // number of SD2 in pA, AA
64 : Int_t fNDD; // number of DD in pA, AA
65 : private:
66 : AliCollisionGeometry& operator=(const AliCollisionGeometry& cg); //Not implemented
67 176 : ClassDef(AliCollisionGeometry,4) // Collision Geometry
68 : };
69 : #endif
70 :
71 :
72 :
73 :
74 :
75 :
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