void MesPbp(Handle< SystemSolver< LatticeFermion > > qprop, Handle< FermState< LatticeFermion, multi1d< LatticeColorMatrix >, multi1d< LatticeColorMatrix > > > state, const multi1d< Real > &Mass, const int ichiral, XMLWriter &xml_out, const std::string &xml_group, const std::string &FermAct)
Calculates noise estimator for psi_bar_psi.