Basic set of known mathematical and physical constants for GAMBIT. More...

#include <cmath>

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Classes
struct	Gambit::Mesons_masses

struct	Gambit::Mesons_decay_constants

Namespaces
	Gambit
	TODO: see if we can use this one:

Variables
const double	Gambit::pi = 3.141592653589793238462643383279502884197

const double	Gambit::root2 = sqrt(2.0)

const double	Gambit::zeta3 = 1.2020569031595942855

const double	Gambit::hbar = 6.582119514e-25

const double	Gambit::K2eV = 8.6173303e-5

const double	Gambit::eV2g = 1.782661907e-33

const double	Gambit::gev2cm = 197.327053e-16

const double	Gambit::gev2cm2 = pow(197.327053e-16, 2.0)

const double	Gambit::gev2pb = gev2cm2*1e36

const double	Gambit::gev2tocm3s1 = 1.16733e-17

const double	Gambit::s2cm = 2.99792458e10

const double	Gambit::m_planck = 1.220910e19

const double	Gambit::m_planck_red = m_planck/sqrt(8.0*pi)

const double	Gambit::atomic_mass_unit = 0.931494028

const double	Gambit::m_proton_amu = 1.00727646688

const double	Gambit::m_neutron_amu = 1.0086649156

const double	Gambit::m_proton = m_proton_amu * atomic_mass_unit

const double	Gambit::m_neutron = m_neutron_amu * atomic_mass_unit

const double	Gambit::m_electron = 0.5109989461e-3

const double	Gambit::alpha_EM = 7.2973525664e-3

const double	Gambit::c_SI = s2cm/100
	Values from Particle Data Group 2018 (http://pdg.lbl.gov/2018/reviews/rpp2018-rev-phys-constants.pdf) More...

const double	Gambit::eV_to_J = 1.6021766208e-19

const double	Gambit::Mpc_SI = 969394202136*pow(10,11)/pi

const double	Gambit::GN_cgs = 6.67408e-8

const double	Gambit::GN_SI = GN_cgs/1e3

const double	Gambit::kB_SI = 1.38064852e-23

const double	Gambit::kB_eV_over_K = kB_SI/eV_to_J

const double	Gambit::hP_SI = 6.626070040e-34

const double	Gambit::hP_eVs = hP_SI/eV_to_J

const double	Gambit::hc_eVcm =hP_eVs*s2cm

const double	Gambit::sigmaB_SI = 2pow(pi,5)pow(kB_SI,4)/(15pow(hP_SI,3)c_SI*c_SI)

const double	Gambit::Neff_SM = 3.045

constexpr double	Gambit::alpha_e_OS_thomson_limit = 0.0072973525664
	Thomson limit of $\alpha_e$ in OS scheme from PDG 2017 More...

constexpr double	Gambit::alpha_e_OS_MZ = 1. / 128.944
	$\alpha_e(M_Z)$ in OS scheme from 1105.3149 More...

constexpr double	Gambit::delta_alpha_OS = 1. - alpha_e_OS_thomson_limit / alpha_e_OS_MZ
	$\Delta\alpha$ in OS scheme. More...


const double	Gambit::mw_central_observed = 80.385
	M_W (Breit-Wigner mass parameter ~ pole) = 80.385 +/- 0.015 GeV (1 sigma), Gaussian. More...

const double	Gambit::mw_err_observed = 0.015