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_HELION_CONSTANTS_HPP 12 #define BOOST_UNITS_CODATA_HELION_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 /// helion mass 48 BOOST_UNITS_PHYSICAL_CONSTANT(m_h,quantity<mass>,5.00641192e-27*kilograms,2.5e-34*kilograms); 49 /// helion-electron mass ratio 50 BOOST_UNITS_PHYSICAL_CONSTANT(m_h_over_m_e,quantity<dimensionless>,5495.8852765*dimensionless(),5.2e-6*dimensionless()); 51 /// helion-proton mass ratio 52 BOOST_UNITS_PHYSICAL_CONSTANT(m_h_over_m_p,quantity<dimensionless>,2.9931526713*dimensionless(),2.6e-9*dimensionless()); 53 /// helion molar mass 54 BOOST_UNITS_PHYSICAL_CONSTANT(M_h,quantity<mass_over_amount>,3.0149322473e-3*kilograms/mole,2.6e-12*kilograms/mole); 55 /// helion shielded magnetic moment 56 BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime,quantity<energy_over_magnetic_flux_density>,-1.074552982e-26*joules/tesla,3.0e-34*joules/tesla); 57 /// shielded helion-Bohr magneton ratio 58 BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_B,quantity<dimensionless>,-1.158671471e-3*dimensionless(),1.4e-11*dimensionless()); 59 /// shielded helion-nuclear magneton ratio 60 BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_N,quantity<dimensionless>,-2.127497718*dimensionless(),2.5e-8*dimensionless()); 61 /// shielded helion-proton magnetic moment ratio 62 BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_p,quantity<dimensionless>,-0.761766558*dimensionless(),1.1e-8*dimensionless()); 63 /// shielded helion-shielded proton magnetic moment ratio 64 BOOST_UNITS_PHYSICAL_CONSTANT(mu_h_prime_over_mu_p_prime,quantity<dimensionless>,-0.7617861313*dimensionless(),3.3e-8*dimensionless()); 65 /// shielded helion gyromagnetic ratio 66 BOOST_UNITS_PHYSICAL_CONSTANT(gamma_h_prime,quantity<frequency_over_magnetic_flux_density>,2.037894730e8/second/tesla,5.6e-0/second/tesla); 67 68 } // namespace codata 69 70 } // namespace constants 71 72 } // namespace si 73 74 } // namespace units 75 76 } // namespace boost 77 78 #endif // BOOST_UNITS_CODATA_HELION_CONSTANTS_HPP 79