Chris@16: // Boost.Units - A C++ library for zero-overhead dimensional analysis and Chris@16: // unit/quantity manipulation and conversion Chris@16: // Chris@16: // Copyright (C) 2003-2008 Matthias Christian Schabel Chris@16: // Copyright (C) 2008 Steven Watanabe Chris@16: // Chris@16: // Distributed under the Boost Software License, Version 1.0. (See Chris@16: // accompanying file LICENSE_1_0.txt or copy at Chris@16: // http://www.boost.org/LICENSE_1_0.txt) Chris@16: Chris@16: #ifndef BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP Chris@16: #define BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP Chris@16: Chris@101: #include Chris@16: #include Chris@16: Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: Chris@16: #include Chris@16: Chris@16: /// \file Chris@16: /// CODATA recommended values of fundamental atomic and nuclear constants Chris@16: /// CODATA 2006 values as of 2007/03/30 Chris@16: Chris@16: namespace boost { Chris@16: Chris@16: namespace units { Chris@16: Chris@16: namespace si { Chris@16: Chris@16: namespace constants { Chris@16: Chris@16: namespace codata { Chris@16: Chris@16: /// CODATA recommended values of the fundamental physical constants: NIST SP 961 Chris@16: Chris@16: /// neutron mass Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(m_n,quantity,1.674927211e-27*kilograms,8.4e-35*kilograms); Chris@16: /// neutron-electron mass ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_e,quantity,1838.6836605*dimensionless(),1.1e-6*dimensionless()); Chris@16: /// neutron-muon mass ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_mu,quantity,8.89248409*dimensionless(),2.3e-7*dimensionless()); Chris@16: /// neutron-tau mass ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_tau,quantity,0.528740*dimensionless(),8.6e-5*dimensionless()); Chris@16: /// neutron-proton mass ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(m_n_over_m_p,quantity,1.00137841918*dimensionless(),4.6e-10*dimensionless()); Chris@16: /// neutron molar mass Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(M_n,quantity,1.00866491597e-3*kilograms/mole,4.3e-13*kilograms/mole); Chris@16: /// neutron Compton wavelength Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_n,quantity,1.3195908951e-15*meters,2.0e-24*meters); Chris@16: /// neutron magnetic moment Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(mu_n,quantity,-0.96623641e-26*joules/tesla,2.3e-33*joules/tesla); Chris@16: /// neutron g-factor Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(g_n,quantity,-3.82608545*dimensionless(),9.0e-7*dimensionless()); Chris@16: /// neutron-electron magnetic moment ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_e,quantity,1.04066882e-3*dimensionless(),2.5e-10*dimensionless()); Chris@16: /// neutron-proton magnetic moment ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p,quantity,-0.68497934*dimensionless(),1.6e-7*dimensionless()); Chris@16: /// neutron-shielded proton magnetic moment ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(mu_n_over_mu_p_prime,quantity,-0.68499694*dimensionless(),1.6e-7*dimensionless()); Chris@16: /// neutron gyromagnetic ratio Chris@16: BOOST_UNITS_PHYSICAL_CONSTANT(gamma_n,quantity,1.83247185e8/second/tesla,4.3e1/second/tesla); Chris@16: Chris@16: } // namespace codata Chris@16: Chris@16: } // namespace constants Chris@16: Chris@16: } // namespace si Chris@16: Chris@16: } // namespace units Chris@16: Chris@16: } // namespace boost Chris@16: Chris@16: #endif // BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP