/** * @author Manuel Zambrana and Dmitry Khaneftd * * Mainz, May 2011 **/ #ifndef mzparameters_h #define mzparameters_h 1 /** * define parameters */ static const double mp=0.938272029; //proton mass (GeV) (PDG 2008) static const double me=0.000510998910; //electron mass (GeV) (PDG 2008) static const double mmu=0.1056583668; //muon mass (GeV) (PDG 2008) static const double mpi=0.13957018; //pi+ mass (GeV) (PDG 2008) static const double mpi0=0.1349766; //pi0 mass (GeV) (PDG 2008) static const double momega=0.784; //omega mass (GeV) [Iachello 2004] static const double mphi=1.019; //phi mass (GeV) [Iachello 2004] static const double mrho=0.765; //rho mass (GeV) [Iachello 2004] static const double Gamma_omega=0.00849; //omega width (GeV) [PDG 2010] static const double Gamma_phi=0.00426; //phi width (GeV) [PDG 2010] static const double mup=2.792847351; //proton magnetic moment [PDG 2008] static const double alpha_QED=1.0/137.035999679; //fine-structure constant [PDG 2008] static const double Lambda_QCD=0.3; //QCD parameter scale [adamuscin et al. Phys.Rev.C75:045205,2007] #endif