// Boost.Units - A C++ library for zero-overhead dimensional analysis and | |
// unit/quantity manipulation and conversion | |
// | |
// Copyright (C) 2003-2008 Matthias Christian Schabel | |
// Copyright (C) 2008 Steven Watanabe | |
// | |
// Distributed under the Boost Software License, Version 1.0. (See | |
// accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
#ifndef BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP | |
#define BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP | |
#include <boost/units/static_constant.hpp> | |
#include <boost/units/systems/detail/constants.hpp> | |
#include <boost/units/systems/si/amount.hpp> | |
#include <boost/units/systems/si/area.hpp> | |
#include <boost/units/systems/si/electric_charge.hpp> | |
#include <boost/units/systems/si/energy.hpp> | |
#include <boost/units/systems/si/frequency.hpp> | |
#include <boost/units/systems/si/length.hpp> | |
#include <boost/units/systems/si/mass.hpp> | |
#include <boost/units/systems/si/magnetic_flux_density.hpp> | |
#include <boost/units/systems/si/time.hpp> | |
#include <boost/units/systems/si/wavenumber.hpp> | |
#include <boost/units/systems/si/codata/typedefs.hpp> | |
/// \file | |
/// 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 { | |
/// CODATA recommended values of the fundamental physical constants: NIST SP 961 | |
/// neutron mass | |
BOOST_UNITS_PHYSICAL_CONSTANT(m_n,quantity<mass>,1.674927211e-27*kilograms,8.4e-35*kilograms); | |
/// 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); | |
} // namespace codata | |
} // namespace constants | |
} // namespace si | |
} // namespace units | |
} // namespace boost | |
#endif // BOOST_UNITS_CODATA_NEUTRON_CONSTANTS_HPP |