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