| // 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_TAU_CONSTANTS_HPP |
| #define BOOST_UNITS_CODATA_TAU_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 |
| |
| /// tau mass |
| BOOST_UNITS_PHYSICAL_CONSTANT(m_tau,quantity<mass>,3.16777e-27*kilograms,5.2e-31*kilograms); |
| /// tau-electron mass ratio |
| BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_e,quantity<dimensionless>,3477.48*dimensionless(),5.7e-1*dimensionless()); |
| /// tau-muon mass ratio |
| BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_mu,quantity<dimensionless>,16.8183*dimensionless(),2.7e-3*dimensionless()); |
| /// tau-proton mass ratio |
| BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_p,quantity<dimensionless>,1.89390*dimensionless(),3.1e-4*dimensionless()); |
| /// tau-neutron mass ratio |
| BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_n,quantity<dimensionless>,1.89129*dimensionless(),3.1e-4*dimensionless()); |
| /// tau molar mass |
| BOOST_UNITS_PHYSICAL_CONSTANT(M_tau,quantity<mass_over_amount>,1.90768e-3*kilograms/mole,3.1e-7*kilograms/mole); |
| /// tau Compton wavelength |
| BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_tau,quantity<length>,0.69772e-15*meters,1.1e-19*meters); |
| |
| } // namespace codata |
| |
| } // namespace constants |
| |
| } // namespace si |
| |
| } // namespace units |
| |
| } // namespace boost |
| |
| #endif // BOOST_UNITS_CODATA_TAU_CONSTANTS_HPP |