class TRandom;
class AliGenEMlib :public AliGenLib {
- public:
+public:
+
+ enum Particle_t{kPizero=0, kEta, kRho, kOmega, kEtaprime, kPhi, kJpsi, kDirectRealGamma, kDirectVirtGamma };
+ enum Centrality_t{kpp=0x0, k0005=0x1, k0510=0x2, k1020=0x3, k2030=0x4, k3040=0x5, k4050=0x6, k5060=0x7, k0010=0x8, k2040=0x9, k4060=0xA, k6080=0xB, k0020=0xC, k0040=0xD, k2080=0xE, k4080=0xF, kCentralities=0x10};
+ enum PtParamSet_t{kPizero7TeVpp=0x00, kPizeroEta7TeVpp=0x10, kPizero7TeVpplow=0x20, kPizeroEta7TeVpplow=0x30, kPizero7TeVpphigh=0x40, kPizeroEta7TeVpphigh=0x50, kPizero2760GeVpp=0x60, kPizeroEta2760GeVpp=0x70, kPizero2760GeVpplow=0x80, kPizeroEta2760GeVpplow=0x90, kPizero2760GeVpphigh=0xA0, kPizeroEta2760GeVpphigh=0xB0, kPiOldChargedPbPb=0xC0, kPichargedPbPb=0xD0, kPizeroPbPb=0xE0, kPichargedPPb=0xF0 };
+ enum v2Sys_t{kLoV2Sys=-1, kNoV2Sys=0, kUpV2Sys=+1};
+
+ AliGenEMlib() { } ;
+
+ static void SelectParams(PtParamSet_t ptSelect, Centrality_t centSelect=kpp, Int_t v2sys=kNoV2Sys)
+ { fgSelectedPtParam=ptSelect; fgSelectedCentrality=centSelect; fgSelectedV2Systematic=v2sys; }
+
GenFunc GetPt(Int_t param, const char * tname=0) const;
GenFunc GetY(Int_t param, const char * tname=0) const;
GenFuncIp GetIp(Int_t param, const char * tname=0) const;
+ GenFunc GetV2(Int_t param, const char * tname=0) const;
+
+ //private:
+
+ // General functions
+
+ static Int_t fgSelectedPtParam; // selected pT parameter
+ static Int_t fgSelectedCentrality; // selected Centrality
+ static Int_t fgSelectedV2Systematic; // selected v2 systematics, usefully values: -1,0,1
+
+
+ static Double_t PtModifiedHagedornThermal(Double_t pt,
+ Double_t c,
+ Double_t p0,
+ Double_t p1,
+ Double_t n,
+ Double_t cT,
+ Double_t T);
+
+
+
+ static Double_t PtModifiedHagedornExp(Double_t pt,
+ Double_t c,
+ Double_t p0,
+ Double_t p1,
+ Double_t p2,
+ Double_t n);
+
- enum constants{kPizero, kEta, kRho, kOmega, kEtaprime, kPhi};
+ static Double_t PtModifiedHagedornExp2(Double_t pt,
+ Double_t c,
+ Double_t a,
+ Double_t b,
+ Double_t p0,
+ Double_t p1,
+ Double_t d,
+ Double_t n);
- private:
-// Pizero
+ static Double_t PtTsallis(Double_t pt,
+ Double_t m,
+ Double_t c,
+ Double_t T,
+ Double_t n);
+
+ static Double_t PtExponential(const Double_t *pt, const Double_t *param);
+ static Double_t PtModifiedHagedornPowerlaw(const Double_t *pt, const Double_t *param);
+ static Double_t PtDoublePowerlaw(const Double_t *pt, const Double_t *param);
+ static Double_t IntegratedKrollWada(const Double_t *mh, const Double_t *);
+
+ // direct gamma
+ static Double_t PtPromptRealGamma(const Double_t *px, const Double_t *dummy);
+ static Double_t PtPromptVirtGamma(const Double_t *px, const Double_t *dummy);
+ static Double_t PtThermalRealGamma(const Double_t *px, const Double_t *dummy);
+ static Double_t PtThermalVirtGamma(const Double_t *px, const Double_t *dummy);
+
+ static Int_t IpDirectRealGamma(TRandom *ran);
+ static Double_t PtDirectRealGamma(const Double_t *px, const Double_t *dummy);
+ static Double_t YDirectRealGamma(const Double_t *py, const Double_t *dummy);
+ static Double_t V2DirectRealGamma(const Double_t *px, const Double_t *dummy);
+
+ static Int_t IpDirectVirtGamma(TRandom *ran);
+ static Double_t PtDirectVirtGamma(const Double_t *px, const Double_t *dummy);
+ static Double_t YDirectVirtGamma(const Double_t *py, const Double_t *dummy);
+ static Double_t V2DirectVirtGamma(const Double_t *px, const Double_t *dummy);
+
+ // Pizero
static Int_t IpPizero(TRandom *ran);
- static Double_t PtPizero( const Double_t *px, const Double_t *dummy );
+ static Double_t PtPizero(const Double_t *px, const Double_t *dummy);
static Double_t YPizero(const Double_t *py, const Double_t *dummy);
- static Double_t MtScal(Double_t pt, Int_t np);
+ static Double_t V2Pizero(const Double_t *px, const Double_t *dummy);
-// Eta
+ // Eta
static Int_t IpEta(TRandom *ran);
- static Double_t PtEta( const Double_t *px, const Double_t *dummy );
+ static Double_t PtEta(const Double_t *px, const Double_t *dummy);
static Double_t YEta(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Eta(const Double_t *px, const Double_t *dummy);
-// Rho
+ // Rho
static Int_t IpRho(TRandom *ran);
- static Double_t PtRho( const Double_t *px, const Double_t *dummy );
+ static Double_t PtRho(const Double_t *px, const Double_t *dummy);
static Double_t YRho(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Rho(const Double_t *py, const Double_t *dummy);
-// Omega
+ // Omega
static Int_t IpOmega(TRandom *ran);
- static Double_t PtOmega( const Double_t *px, const Double_t *dummy );
+ static Double_t PtOmega(const Double_t *px, const Double_t *dummy);
static Double_t YOmega(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Omega(const Double_t *py, const Double_t *dummy);
-// Etaprime
+ // Etaprime
static Int_t IpEtaprime(TRandom *ran);
- static Double_t PtEtaprime( const Double_t *px, const Double_t *dummy );
+ static Double_t PtEtaprime(const Double_t *px, const Double_t *dummy);
static Double_t YEtaprime(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Etaprime(const Double_t *py, const Double_t *dummy);
-// Phi
+ // Phi
static Int_t IpPhi(TRandom *ran);
- static Double_t PtPhi( const Double_t *px, const Double_t *dummy );
+ static Double_t PtPhi(const Double_t *px, const Double_t *dummy);
static Double_t YPhi(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Phi(const Double_t *py, const Double_t *dummy);
-// General
- static Double_t PtFlat(const Double_t *px, const Double_t *dummy);
- static Double_t YFlat(Double_t y);
+ // Jpsi
+ static Int_t IpJpsi(TRandom *ran);
+ static Double_t PtJpsi(const Double_t *px, const Double_t *dummy);
+ static Double_t YJpsi(const Double_t *py, const Double_t *dummy);
+ static Double_t V2Jpsi(const Double_t *py, const Double_t *dummy);
+ // General
+ //static Double_t PtFlat(const Double_t *px, const Double_t *dummy);
+ static Double_t YFlat(Double_t y);
+ static Double_t MtScal(Double_t pt, Int_t np);
+ static Double_t V2Param(const Double_t *px, const Double_t *param);
+ static Double_t V2Flat(const Double_t *px, const Double_t *param);
+ static Double_t KEtScal(Double_t pt, Int_t np);
+ static Double_t GetTAA(Int_t cent);
+
+ static Double_t CrossOverLc(double a, double b, double x);
+ static Double_t CrossOverRc(double a, double b, double x);
+
+ static const Double_t fgkPtParam[kCentralities][10]; // parameters of pi pt spectrum
+ static const Double_t fgkV2param[kCentralities][16]; // parameters of pi v2 spectrum
+ static const Double_t fgkRawPtOfV2Param[kCentralities][10]; // parameters of the raw pt spectrum of v2 analysis
+ static const Double_t fgkThermPtParam[kCentralities][2]; // parameters of thermal gamma pt
+ static const Double_t fgkHM[8]; // particle masses
+ static const Double_t fgkMtFactor[2][8]; // mt scaling factor
ClassDef(AliGenEMlib,0)
};
+
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff