1 #ifndef ALILHCPROCESSIBS_H
2 #define ALILHCPROCESSIBS_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
9 // Realisation of AliLhcProcess for the fast simulation of the
10 // Intra Beam Scattering process
11 // in transverse and longitudinal direction.
12 // Author: Andreas Morsch
13 // andreas.morsch@cern.ch
16 #include "AliLhcProcess.h"
20 class AliLhcProcessIBS : public AliLhcProcess
23 AliLhcProcessIBS(AliLHC* lhc, const char* name, const char* title);
24 AliLhcProcessIBS(const AliLhcProcessIBS& ibs);
25 virtual ~AliLhcProcessIBS();
26 virtual void SetCrossSection(Float_t sig) {fCrossSection = sig*1.e-24;}
28 virtual void Evolve(Float_t dt);
29 virtual void SetMonitor(Int_t n);
30 virtual void Record();
31 virtual void DrawPlots();
32 AliLhcProcessIBS & operator=(const AliLhcProcessIBS & rhs);
34 Float_t fCrossSection; // Interaction cross section
35 TList * fIRegions; // Interaction Regions
36 AliLhcBeam* fBeam[2]; // Beams
37 Float_t fR[2]; // elem. ion radius
38 Float_t fE[2]; // ion radius
39 Float_t fTaux; // transverse time constant
40 Float_t fTaue; // longitudinal time constant
41 Float_t* fTauxArray; // [fNmax]
42 Float_t* fTaueArray; // [fNmax]
45 ClassDef(AliLhcProcessIBS,1) // LHC Process: Intra Beam Scattering