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