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- // 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_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
- #define BOOST_UNITS_CODATA_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
- #include <boost/units/systems/si/codata/alpha_constants.hpp>
- #include <boost/units/systems/si/codata/deuteron_constants.hpp>
- #include <boost/units/systems/si/codata/electron_constants.hpp>
- #include <boost/units/systems/si/codata/helion_constants.hpp>
- #include <boost/units/systems/si/codata/muon_constants.hpp>
- #include <boost/units/systems/si/codata/neutron_constants.hpp>
- #include <boost/units/systems/si/codata/proton_constants.hpp>
- #include <boost/units/systems/si/codata/tau_constants.hpp>
- #include <boost/units/systems/si/codata/triton_constants.hpp>
- namespace boost {
- namespace units {
- namespace si {
-
- namespace constants {
- namespace codata {
- /// CODATA recommended values of the fundamental physical constants: NIST SP 961
- // ATOMIC AND NUCLEAR
- /// fine structure constant
- BOOST_UNITS_PHYSICAL_CONSTANT(alpha,quantity<dimensionless>,7.2973525376e-3*dimensionless(),5.0e-12*dimensionless());
- /// Rydberg constant
- BOOST_UNITS_PHYSICAL_CONSTANT(R_infinity,quantity<wavenumber>,10973731.568527/meter,7.3e-5/meter);
- /// Bohr radius
- BOOST_UNITS_PHYSICAL_CONSTANT(a_0,quantity<length>,0.52917720859e-10*meters,3.6e-20*meters);
- /// Hartree energy
- BOOST_UNITS_PHYSICAL_CONSTANT(E_h,quantity<energy>,4.35974394e-18*joules,2.2e-25*joules);
- } // namespace codata
- } // namespace constants
- } // namespace si
- } // namespace units
- } // namespace boost
- #endif // BOOST_UNITS_CODATA_ATOMIC_AND_NUCLEAR_CONSTANTS_HPP
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