Line data    Source code

       1             : #ifndef ALIGENITSULIB_H
       2             : #define ALIGENITSULIB_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : // Library class for particle pt and y distributions used for 
       7             : // LambdaB simulations.
       8             : // To be used with AliGenParam.
       9             : //
      10             : // Author: Annalisa Mastroserio <Annalisa.Mastroserio@cern.ch>
      11             : 
      12             : #include "AliGenLib.h"
      13             : 
      14             : class TRandom;
      15             : 
      16           0 : class AliGenITSULib :public AliGenLib {
      17             : 
      18             :  public:
      19             : 
      20             :   enum EPartId {kLb=5122,kLc=4122,kXi_c = 4232,kBplus = 521,kBzero = 511,kDs=431,kDplus=411};
      21             : 
      22             :   //Getters
      23             :     
      24             :   GenFunc   GetPt(Int_t iPID, const char * sForm=0) const;
      25             :   GenFunc   GetY (Int_t iPID, const char * sForm=0) const;
      26             :   GenFuncIp GetIp(Int_t iPID, const char * sForm=0) const;    
      27             : 
      28             :  private:
      29             : 
      30           0 :   static Int_t IpLcPlus(TRandom * /*ran*/)  {return     (int)kLc;}
      31           0 :   static Int_t IpLcMinus(TRandom * /*ran*/) {return    -(int)kLc;}
      32           0 :   static Int_t IpLb(TRandom * /*ran*/)      {return     (int)kLb;}
      33           0 :   static Int_t IpLbBar(TRandom * /*ran*/)   {return    -(int)kLb;}
      34           0 :   static Int_t IpXic(TRandom * /*ran*/)     {return   (int)kXi_c;}
      35           0 :   static Int_t IpXicBar(TRandom * /*ran*/)  {return  -(int)kXi_c;}
      36           0 :   static Int_t IpBPlus(TRandom * /*ran*/)   {return      (int)kBplus;}
      37           0 :   static Int_t IpBMinus(TRandom * /*ran*/)  {return     -(int)kBplus;}
      38           0 :   static Int_t IpB0(TRandom * /*ran*/)  {return         (int)kBzero;}
      39           0 :   static Int_t IpB0Bar(TRandom * /*ran*/)  {return         -(int)kBzero;}
      40           0 :   static Int_t IpDsPlus(TRandom * /*ran*/)  {return     (int)kDs;}
      41           0 :   static Int_t IpDsMinus(TRandom * /*ran*/) {return    -(int)kDs;}
      42           0 :   static Int_t IpDPlus(TRandom * /*ran*/)   {return  (int)kDplus;}
      43           0 :   static Int_t IpDMinus(TRandom * /*ran*/)  {return -(int)kDplus;}
      44             : 
      45           0 :   static Double_t PtFlat(const Double_t * /*px*/, const Double_t * /*dummy*/) {return 1;}
      46           0 :   static Double_t YFlat (const Double_t * /*py*/, const Double_t * /*dummy*/) {return 1;}
      47             : 
      48             :   static Double_t PtLbDist (const Double_t *px, const Double_t *dummy);
      49             :   static Double_t PtLcDist (const Double_t *px, const Double_t *dummy);
      50             :   static Double_t PtBDist  (const Double_t *px, const Double_t *dummy);
      51             : 
      52             : 
      53             : 
      54           6 :   ClassDef(AliGenITSULib,1)
      55             :     };
      56             : 
      57             : #endif
      58             : 
      59             : 
      60             : 
      61             : 
      62             : 
      63             : 
      64             :