ceph/src/boost/libs/units/include/boost/units/systems/si/codata/tau_constants.hpp

   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_TAU_CONSTANTS_HPP
  12 #define BOOST_UNITS_CODATA_TAU_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 /// tau mass
  48 BOOST_UNITS_PHYSICAL_CONSTANT(m_tau,quantity<mass>,3.16777e-27*kilograms,5.2e-31*kilograms);
  49 /// tau-electron mass ratio
  50 BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_e,quantity<dimensionless>,3477.48*dimensionless(),5.7e-1*dimensionless());
  51 /// tau-muon mass ratio
  52 BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_mu,quantity<dimensionless>,16.8183*dimensionless(),2.7e-3*dimensionless());
  53 /// tau-proton mass ratio
  54 BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_p,quantity<dimensionless>,1.89390*dimensionless(),3.1e-4*dimensionless());
  55 /// tau-neutron mass ratio
  56 BOOST_UNITS_PHYSICAL_CONSTANT(m_tau_over_m_n,quantity<dimensionless>,1.89129*dimensionless(),3.1e-4*dimensionless());
  57 /// tau molar mass
  58 BOOST_UNITS_PHYSICAL_CONSTANT(M_tau,quantity<mass_over_amount>,1.90768e-3*kilograms/mole,3.1e-7*kilograms/mole);
  59 /// tau Compton wavelength
  60 BOOST_UNITS_PHYSICAL_CONSTANT(lambda_C_tau,quantity<length>,0.69772e-15*meters,1.1e-19*meters);
  61
  62 } // namespace codata
  63
  64 } // namespace constants
  65
  66 } // namespace si
  67
  68 } // namespace units
  69
  70 } // namespace boost
  71
  72 #endif // BOOST_UNITS_CODATA_TAU_CONSTANTS_HPP