1 #ifndef ALIGENCOSMICSPARAM_H
2 #define ALIGENCOSMICSPARAM_H
3 /* Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
6 // Generator for muons according to kinematic parametrizations at ALICE
7 // (not at the surface).
8 // Origin: andrea.dainese@lnl.infn.it
12 #include "AliGenerator.h"
14 class AliGenCosmicsParam : public AliGenerator
19 virtual ~AliGenCosmicsParam() {}
20 virtual void Generate();
22 void SetParamMI() { fParamMI=kTRUE; fParamACORDE=kFALSE; return; }
23 void SetParamACORDE() { fParamMI=kFALSE; fParamACORDE=kTRUE; return; }
24 void SetYOrigin(Float_t y=600.) { fYOrigin=y; return; }
25 void SetMaxAngleWRTVertical(Float_t max=45.) {
26 if(max<0. || max>90.) AliFatal("angle must be in [0,pi/2]");
27 fMaxAngleWRTVertical=max; return; }
28 void SetBkG(Float_t b) { fBkG=b; return; }
29 void SetInTPC() { fTPC=kTRUE; return; }
30 void SetInITS() { fITS=kTRUE; return; }
31 void SetInSPDouter() { fSPDouter=kTRUE; return; }
32 void SetInSPDinner() { fSPDinner=kTRUE; return; }
36 Bool_t IntersectCylinder(Float_t r,Float_t z,Int_t pdg,
37 Float_t o[3],Float_t p[3]) const;
39 Bool_t fParamMI; // parametrization from M.Ivanov
40 Bool_t fParamACORDE; // parametrization from AliGenACORDE
41 // (parametrized at ALICE y)
42 Float_t fYOrigin; // y of muon origin
43 Float_t fMaxAngleWRTVertical; // maximum angle between momentum and y axis
44 Float_t fBkG; // field in kGauss
45 Bool_t fTPC; // acceptance cuts
46 Bool_t fITS; // acceptance cuts
47 Bool_t fSPDouter; // acceptance cuts
48 Bool_t fSPDinner; // acceptance cuts
50 ClassDef(AliGenCosmicsParam,1) // parametrized cosmics generator