mzparameters.h

Go to the documentation of this file.

#ifndef mzparameters_h
#define mzparameters_h 1

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 mtau = 1.77682;      // tau 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 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 hc2 = 0.389379304; //(hbar*c)^2  (mb*GeV^2) [PDG 2008]

#endif