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PhysicalConstants.py File Reference
Go to the source code of this file.
Namespaces
python.PhysicalConstants
Variables
float
python.PhysicalConstants.pi
= 3.14159265358979323846
int
python.PhysicalConstants.twopi
= 2*
pi
float
python.PhysicalConstants.halfpi
=
pi
/2
float
python.PhysicalConstants.pi2
=
pi
*
pi
float
python.PhysicalConstants.Avogadro
= 6.0221367e+23/
mole
float
python.PhysicalConstants.c_light
= 2.99792458e+8 * m/s
float
python.PhysicalConstants.c_squared
= c_light * c_light
float
python.PhysicalConstants.h_Planck
= 6.6260755e-34 * joule*s
float
python.PhysicalConstants.hbar_Planck
= h_Planck/
twopi
float
python.PhysicalConstants.hbarc
= hbar_Planck * c_light
float
python.PhysicalConstants.hbarc_squared
= hbarc * hbarc
python.PhysicalConstants.electron_charge
= - eplus
python.PhysicalConstants.e_squared
= eplus * eplus
float
python.PhysicalConstants.electron_mass_c2
= 0.51099906 * MeV
float
python.PhysicalConstants.proton_mass_c2
= 938.27231 * MeV
float
python.PhysicalConstants.neutron_mass_c2
= 939.56563 * MeV
float
python.PhysicalConstants.amu_c2
= 931.49432 * MeV
float
python.PhysicalConstants.amu
= amu_c2/c_squared
int
python.PhysicalConstants.mu0
= 4*
pi
*1.e-7 * henry/m
int
python.PhysicalConstants.epsilon0
= 1./(c_squared*mu0)
python.PhysicalConstants.elm_coupling
= e_squared/(4*
pi
*epsilon0)
float
python.PhysicalConstants.fine_structure_const
= elm_coupling/hbarc
float
python.PhysicalConstants.classic_electr_radius
= elm_coupling/electron_mass_c2
float
python.PhysicalConstants.electron_Compton_length
= hbarc/electron_mass_c2
float
python.PhysicalConstants.Bohr_radius
= electron_Compton_length/fine_structure_const
float
python.PhysicalConstants.alpha_rcl2
= fine_structure_const*classic_electr_radius*classic_electr_radius
int
python.PhysicalConstants.twopi_mc2_rcl2
=
twopi
*electron_mass_c2*classic_electr_radius*classic_electr_radius
float
python.PhysicalConstants.k_Boltzmann
= 8.617385e-11 * MeV/kelvin
float
python.PhysicalConstants.STP_Temperature
= 273.15*kelvin
int
python.PhysicalConstants.STP_Pressure
= 1.*atmosphere
int
python.PhysicalConstants.kGasThreshold
= 10.*mg/
cm3
int
python.PhysicalConstants.universe_mean_density
= 1.e-25*g/
cm3
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1.8.18