1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and 2 // unit/quantity manipulation and conversion 3 // 4 // Copyright (C) 2003-2008 Matthias Christian Schabel 5 // Copyright (C) 2008 Steven Watanabe 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See 8 // accompanying file LICENSE_1_0.txt or copy at 9 // http://www.boost.org/LICENSE_1_0.txt) 10 11 #ifndef BOOST_UNITS_CODATA_ALPHA_CONSTANTS_HPP 12 #define BOOST_UNITS_CODATA_ALPHA_CONSTANTS_HPP 13 14 #include <boost/units/quantity.hpp> 15 #include <boost/units/static_constant.hpp> 16 17 #include <boost/units/systems/detail/constants.hpp> 18 #include <boost/units/systems/si/amount.hpp> 19 #include <boost/units/systems/si/area.hpp> 20 #include <boost/units/systems/si/electric_charge.hpp> 21 #include <boost/units/systems/si/energy.hpp> 22 #include <boost/units/systems/si/frequency.hpp> 23 #include <boost/units/systems/si/length.hpp> 24 #include <boost/units/systems/si/mass.hpp> 25 #include <boost/units/systems/si/magnetic_flux_density.hpp> 26 #include <boost/units/systems/si/time.hpp> 27 #include <boost/units/systems/si/wavenumber.hpp> 28 29 #include <boost/units/systems/si/codata/typedefs.hpp> 30 31 /// \file 32 /// CODATA recommended values of fundamental atomic and nuclear constants 33 /// CODATA 2006 values as of 2007/03/30 34 35 namespace boost { 36 37 namespace units { 38 39 namespace si { 40 41 namespace constants { 42 43 namespace codata { 44 45 /// CODATA recommended values of the fundamental physical constants: NIST SP 961 46 47 /// alpha particle mass 48 BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha,quantity<mass>,6.64465620e-27*kilograms,3.3e-34*kilograms); 49 /// alpha-electron mass ratio 50 BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha_over_m_e,quantity<dimensionless>,7294.2995365*dimensionless(),3.1e-6*dimensionless()); 51 /// alpha-proton mass ratio 52 BOOST_UNITS_PHYSICAL_CONSTANT(m_alpha_over_m_p,quantity<dimensionless>,3.97259968951*dimensionless(),4.1e-10*dimensionless()); 53 /// alpha molar mass 54 BOOST_UNITS_PHYSICAL_CONSTANT(M_alpha,quantity<mass_over_amount>,4.001506179127e-3*kilograms/mole,6.2e-14*kilograms/mole); 55 56 } // namespace codata 57 58 } // namespace constants 59 60 } // namespace si 61 62 } // namespace units 63 64 } // namespace boost 65 66 #endif // BOOST_UNITS_CODATA_ALPHA_CONSTANTS_HPP 67