/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
-#include <TPDGCode.h>
-#include <AliGenLib.h>
+
+/* $Id$ */
+
+// Library class for particle pt and y distributions used for
+// HMPIDsimulations.
+// To be used with AliGenParam.
+//
+// Author: Annalisa Mastroserio <Annalisa.Mastroserio@ba.infn.it>
+
+#include "AliGenLib.h"
class TRandom;
class AliGenRICHlib :public AliGenLib {
public:
- enum EPartId {kPhi=333};
+ enum EPartId {kPhi=333};
+
+ //Getters
+
+ GenFunc GetPt(Int_t iPID, const char * sForm=0) const;
+ GenFunc GetY (Int_t iPID, const char * sForm=0) const;
+ GenFuncIp GetIp(Int_t iPID, const char * sForm=0) const;
+ private:
+
+//Pi+
+ static Int_t IpPiPlus(TRandom *ran);
+ static Double_t PtPiPlusFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtPiPlusExp (Double_t *px, Double_t *dummy);
+ static Double_t YPiPlusFlat (Double_t *py, Double_t *dummy);
+
+//Pi-
+ static Int_t IpPiMinus(TRandom *ran);
+ static Double_t PtPiMinusFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtPiMinusExp (Double_t *px, Double_t *dummy);
+ static Double_t YPiMinusFlat (Double_t *py, Double_t *dummy);
+
+//K+
+ static Int_t IpKPlus(TRandom *ran);
+ static Double_t PtKPlusFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtKPlusExp (Double_t *px, Double_t *dummy);
+ static Double_t YKPlusFlat (Double_t *py, Double_t *dummy);
+
+//K-
+ static Int_t IpKMinus(TRandom *ran);
+ static Double_t PtKMinusFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtKMinusExp (Double_t *px, Double_t *dummy);
+ static Double_t YKMinusFlat (Double_t *py, Double_t *dummy);
+
+// K0_s
+ static Int_t IpK0s(TRandom *ran);
+ static Double_t PtK0sFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtK0sExp (Double_t *px, Double_t *dummy);
+ static Double_t YK0sFlat (Double_t *py, Double_t *dummy);
// Phi(1020)
static Int_t IpPhi(TRandom *ran);
static Double_t PtPhiExp (Double_t *px, Double_t *dummy);
static Double_t YPhiFlat (Double_t *py, Double_t *dummy);
+//Proton
+ static Int_t IpProton(TRandom *ran);
+ static Double_t PtProtonFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtProtonExp (Double_t *px, Double_t *dummy);
+ static Double_t YProtonFlat (Double_t *py, Double_t *dummy);
+
+//ProtonBar
+ static Int_t IpProtonBar(TRandom *ran);
+ static Double_t PtProtonBarFlat(Double_t *px, Double_t *dummy);
+ static Double_t PtProtonBarExp (Double_t *px, Double_t *dummy);
+ static Double_t YProtonBarFlat (Double_t *py, Double_t *dummy);
+
// Lambda
static Int_t IpLambda(TRandom *ran);
static Double_t PtLambdaFlat(Double_t *px, Double_t *dummy);
static Double_t PtLambdaBarExp (Double_t *px, Double_t *dummy);
static Double_t YLambdaBarFlat (Double_t *py, Double_t *dummy);
-
-// K0_s
- static Int_t IpK0s(TRandom *ran);
- static Double_t PtK0sFlat(Double_t *px, Double_t *dummy);
- static Double_t PtK0sExp (Double_t *px, Double_t *dummy);
- static Double_t YK0sFlat (Double_t *py, Double_t *dummy);
-
-
- typedef Double_t (*GenFunc) (Double_t *, Double_t *);
- typedef Int_t (*GenFuncIp)(TRandom *ran);
-
- //Getters
-
- GenFunc GetPt(Int_t iPID, const char * sForm=0) const;
- GenFunc GetY (Int_t iPID, const char * sForm=0) const;
- GenFuncIp GetIp(Int_t iPID, const char * sForm=0) const;
-
ClassDef(AliGenRICHlib,0)
};