# Various physical constants
const G_FERMI = 0.000011663787;
const HIGGS_VEV = 246.21965;
const ALPHA_EM = 0.0078125; # at p^2 = 0
const SIN_THETA_WEAK = 0.480853;
const SIN_THETA_WEAK_SQRD = 0.23122;
const COS_THETA_WEAK = 0.876801;
const M_PLANK = 1.220890e19;
const RHO_CRIT = 0.0000105375;
const S_TODAY = 2891.2;
const T_CMB = 2.56215e-10;
const T_BBN = 0.0001; # 0.1 MeV in GeV
const OMEGA_H2_CDM = 0.1198;

# Masses
const ELECTRON_MASS = 0.0005109989461;
const MUON_MASS = 0.1056583745;
const TAU_MASS = 1.77686;
const UP_QUARK_MASS = 0.00216;
const DOWN_QUARK_MASS = 0.00467;
const STRANGE_QUARK_MASS = 0.093;
const CHARM_QUARK_MASS = 1.27;
const BOTTOM_QUARK_MASS = 4.18;
const TOP_QUARK_MASS = 172.9;
const W_BOSON_MASS = 80.379;
const Z_BOSON_MASS = 91.1876;
const HIGGS_MASS = 125.10;
const NEUTRAL_PION_MASS = 134.9766e-3;
const CHARGED_PION_MASS = 139.57018e-3;
const NEUTRAL_KAON_MASS = 497.61e-3;
const LONG_KAON_MASS = 497.614e-3;
const CHARGED_KAON_MASS = 493.68e-3;

# Boson widths
const W_BOSON_WIDTH = 2.085;
const Z_BOSON_WIDTH = 2.4952;
const HIGGS_WIDTH = 0.00407;
