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1 | #ifndef ALIGENHALO_H | |
2 | #define ALIGENHALO_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | ||
9 | #include "AliGenerator.h" | |
10 | #include <TString.h> | |
11 | ||
12 | // Read beam halo background particles from a boundary source | |
13 | // Boundary source is in the LHCb format | |
14 | // http://www.hep.manchester.ac.uk/u/robert/LHC_backgrounds/Note-MIBStudies.pdf | |
15 | // and has been provided by Robert Appleby | |
16 | // Author: andreas.morsch@cern.ch | |
17 | ||
18 | class AliGenHalo : public AliGenerator | |
19 | { | |
20 | public: | |
21 | enum constants{kY1Day0, kY1Day70, kY2D0, kY2D10, kY3D90, kLHCPR674Startup, kLHCPR674Conditioned}; | |
22 | AliGenHalo(); | |
23 | AliGenHalo(Int_t npart); | |
24 | virtual ~AliGenHalo(); | |
25 | virtual void Init(); | |
26 | virtual void SetFileName(TString filename) {fFileName=TString(filename);} | |
27 | virtual void Generate(); | |
28 | virtual Float_t GasPressureWeight(Float_t zPrimary); | |
29 | virtual void SetSide(Int_t flag = 1) {fSide = flag;} | |
30 | virtual void SetNskip(Int_t nskip) {fNskip = nskip;} | |
31 | virtual void SetRunPeriod(Int_t t = kY3D90) {fRunPeriod = t;} | |
32 | virtual void SetTimePerEvent(Float_t t = 1.e-4) {fTimePerEvent = t;} | |
33 | virtual void Draw(Option_t * opt=""); | |
34 | virtual void CountEvents(); | |
35 | private: | |
36 | virtual void SkipEvents(); | |
37 | virtual Int_t ReadNextParticle(); | |
38 | protected: | |
39 | FILE* fFile; // ! Pointer to file | |
40 | TString fFileName; // Choose the file | |
41 | Int_t fSide; // Muon arm side (1) / Castor side (-1) | |
42 | Int_t fRunPeriod; // LHC Running Period | |
43 | Float_t fTimePerEvent; // Time corresponding to one event [s] | |
44 | Int_t fNskip; // Number of entries to skip | |
45 | Float_t* fZ1; // ! z-positions for gas pressure tables | |
46 | Float_t* fZ2; // ! z-positions for gas pressure tables | |
47 | Float_t* fG1; // ! gas pressures | |
48 | Float_t* fG2; // ! gas pressures | |
49 | Int_t fGPASize; // ! Size of arrays | |
50 | Int_t fLossID; // ! unique loss ID | |
51 | Int_t fLossA; // ! atomic number of scatterer | |
52 | Int_t fPdg; // ! pdg code | |
53 | Float_t fLossT0; // ! relative time | |
54 | Float_t fLossZ; // ! scaterring position | |
55 | Float_t fLossW; // ! weight of proton loss | |
56 | Float_t fXS; // ! x-position on scoring plane | |
57 | Float_t fYS; // ! y-position on scoring plane | |
58 | Float_t fZS; // ! z-position on scoring plane | |
59 | Float_t fDX; // ! direction cosine x | |
60 | Float_t fDY; // ! direction cosine y | |
61 | Float_t fEkin; // ! kinetic energy | |
62 | Float_t fTS; // ! relative arrival time | |
63 | Float_t fWS; // ! weight | |
64 | private: | |
65 | AliGenHalo(const AliGenHalo &Halo); | |
66 | AliGenHalo & operator=(const AliGenHalo & rhs); | |
67 | ||
68 | ClassDef(AliGenHalo,1) // LHC beam halo boundary source | |
69 | }; | |
70 | #endif | |
71 | ||
72 | ||
73 | ||
74 | ||
75 | ||
76 |