21 #include "StPionZero.hh"
22 #include "PhysicalConstants.h"
24 StPionZero::StPionZero(
const string & aName,
40 :
StMeson(aName, mass, width, charge, iSpin, iParity,
41 iConjugation, iIsospin, iIsospinZ, gParity,
42 pType, lepton, baryon, encoding, stable,
57 "pi0", 0.1349764*GeV, 0.0*MeV, 0.0,
61 false, 8.4e-8*nanosecond