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CODATA recommended values of fundamental atomic and nuclear constants CODATA 2006 values as of 2007/03/30
namespace boost { namespace units { namespace si { namespace constants { namespace codata { BOOST_UNITS_PHYSICAL_CONSTANT(m_n, quantity< mass >, 1.674927211e-27 *, 8.4e-35 *); // neutron-electron mass ratio BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_e, quantity< dimensionless >, 1838.6836605 * dimensionless, 1.1e-6 * dimensionless); // neutron-muon mass ratio BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_mu, quantity< dimensionless >, 8.89248409 * dimensionless, 2.3e-7 * dimensionless); // neutron-tau mass ratio BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_tau, quantity< dimensionless >, 0.528740 * dimensionless, 8.6e-5 * dimensionless); // neutron-proton mass ratio BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_p, quantity< dimensionless >, 1.00137841918 * dimensionless, 4.6e-10 * dimensionless); // neutron molar mass BOOST_UNITS_PHYSICAL_CONSTANT(M_n, quantity< mass_over_amount >, 1.00866491597e-3 *kilograms/ mole, 4.3e-13 *kilograms/ mole); // neutron Compton wavelength BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_n, quantity< length >, 1.3195908951e-15 * meters, 2.0e-24 * meters); // neutron magnetic moment BOOST_UNITS_PHYSICAL_CONSTANT(mu_n, quantity< energy_over_magnetic_flux_density >, -0.96623641e-26 *joules/ tesla, 2.3e-33 *joules/ tesla); // neutron g-factor BOOST_UNITS_PHYSICAL_CONSTANT(g_n, quantity< dimensionless >, -3.82608545 * dimensionless, 9.0e-7 * dimensionless); // neutron-electron magnetic moment ratio BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_e, quantity< dimensionless >, 1.04066882e-3 * dimensionless, 2.5e-10 * dimensionless); // neutron-proton magnetic moment ratio BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p, quantity< dimensionless >, -0.68497934 * dimensionless, 1.6e-7 * dimensionless); // neutron-shielded proton magnetic moment ratio BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p_prime, quantity< dimensionless >, -0.68499694 * dimensionless, 1.6e-7 * dimensionless); // neutron gyromagnetic ratio BOOST_UNITS_PHYSICAL_CONSTANT(gamma_n, quantity< frequency_over_magnetic_flux_density >, 1.83247185e8/second/ tesla, 4.3e1/second/ tesla); } } } } }