Line data    Source code

       1             : #ifndef ALIGENHMPIDLIB_H
       2             : #define ALIGENHMPIDLIB_H
       3             : /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
       4             :  * See cxx source for full Copyright notice                               */
       5             : 
       6             : 
       7             : /* $Id$ */
       8             : 
       9             : // Library class for particle pt and y distributions used for 
      10             : // HMPIDsimulations.
      11             : // To be used with AliGenParam.
      12             : //
      13             : // Author: Annalisa Mastroserio <Annalisa.Mastroserio@ba.infn.it>
      14             : 
      15             : #include "AliGenLib.h"
      16             : 
      17             : class TRandom;
      18             : 
      19           0 : class AliGenHMPIDlib :public AliGenLib {
      20             : 
      21             :  public:
      22             :   enum EPartId {kPhi=333};
      23             : 
      24             :   //Getters
      25             :     
      26             :   GenFunc   GetPt(Int_t iPID, const char * sForm=0) const;
      27             :   GenFunc   GetY (Int_t iPID, const char * sForm=0) const;
      28             :   GenFuncIp GetIp(Int_t iPID, const char * sForm=0) const;    
      29             :  private:
      30             : 
      31             : //Pi+
      32             :   static Int_t IpPiPlus(TRandom *ran);
      33             :   static Double_t PtPiPlusFlat(const Double_t *px, const Double_t *dummy);
      34             :   static Double_t PtPiPlusExp (const Double_t *px, const Double_t *dummy);
      35             :   static Double_t YPiPlusFlat (const Double_t *py, const Double_t *dummy);
      36             : 
      37             : //Pi-
      38             :   static Int_t IpPiMinus(TRandom *ran);
      39             :   static Double_t PtPiMinusFlat(const Double_t *px, const Double_t *dummy);
      40             :   static Double_t PtPiMinusExp (const Double_t *px, const Double_t *dummy);
      41             :   static Double_t YPiMinusFlat (const Double_t *py, const Double_t *dummy);
      42             : 
      43             : //K+
      44             :   static Int_t IpKPlus(TRandom *ran);
      45             :   static Double_t PtKPlusFlat(const Double_t *px, const Double_t *dummy);
      46             :   static Double_t PtKPlusExp (const Double_t *px, const Double_t *dummy);
      47             :   static Double_t YKPlusFlat (const Double_t *py, const Double_t *dummy);
      48             : 
      49             : //K-
      50             :   static Int_t IpKMinus(TRandom *ran);
      51             :   static Double_t PtKMinusFlat(const Double_t *px, const Double_t *dummy);
      52             :   static Double_t PtKMinusExp (const Double_t *px, const Double_t *dummy);
      53             :   static Double_t YKMinusFlat (const Double_t *py, const Double_t *dummy);
      54             : 
      55             : // K0_s
      56             :   static Int_t IpK0s(TRandom *ran);
      57             :   static Double_t PtK0sFlat(const Double_t *px, const Double_t *dummy);
      58             :   static Double_t PtK0sExp (const Double_t *px, const Double_t *dummy);
      59             :   static Double_t YK0sFlat (const Double_t *py, const Double_t *dummy);
      60             : 
      61             : // Phi(1020)
      62             :   static Int_t IpPhi(TRandom *ran);
      63             :   static Double_t PtPhiFlat(const Double_t *px, const Double_t *dummy);
      64             :   static Double_t PtPhiExp (const Double_t *px, const Double_t *dummy);
      65             :   static Double_t YPhiFlat (const Double_t *py, const Double_t *dummy);
      66             : 
      67             : //Proton
      68             :   static Int_t IpProton(TRandom *ran);
      69             :   static Double_t PtProtonFlat(const Double_t *px, const Double_t *dummy);
      70             :   static Double_t PtProtonExp (const Double_t *px, const Double_t *dummy);
      71             :   static Double_t YProtonFlat (const Double_t *py, const Double_t *dummy);
      72             : 
      73             : //ProtonBar
      74             :   static Int_t IpProtonBar(TRandom *ran);
      75             :   static Double_t PtProtonBarFlat(const Double_t *px, const Double_t *dummy);
      76             :   static Double_t PtProtonBarExp (const Double_t *px, const Double_t *dummy);
      77             :   static Double_t YProtonBarFlat (const Double_t *py, const Double_t *dummy);
      78             : 
      79             : // Lambda
      80             :   static Int_t IpLambda(TRandom *ran);
      81             :   static Double_t PtLambdaFlat(const Double_t *px, const Double_t *dummy);
      82             :   static Double_t PtLambdaExp (const Double_t *px, const Double_t *dummy);
      83             :   static Double_t YLambdaFlat (const Double_t *py, const Double_t *dummy);
      84             : 
      85             : // LambdaBar
      86             :   static Int_t IpLambdaBar(TRandom *ran);
      87             :   static Double_t PtLambdaBarFlat(const Double_t *px, const Double_t *dummy);
      88             :   static Double_t PtLambdaBarExp (const Double_t *px, const Double_t *dummy);
      89             :   static Double_t YLambdaBarFlat (const Double_t *py, const Double_t *dummy);
      90             : 
      91           6 :   ClassDef(AliGenHMPIDlib,0)
      92             : };
      93             : 
      94             : #endif
      95             : 
      96             : 
      97             : 
      98             : 
      99             : 
     100             : 
     101             :