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alpha.py
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47 lines (43 loc) · 1.25 KB
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"""
"""
from ._utils import _cd
from ..unitquantity import UnitConstant
m_alpha = alpha_particle_mass = UnitConstant(
'alpha_particle_mass',
_cd('alpha particle mass'),
symbol='m_alpha',
u_symbol='m_α'
)
alpha_particle_mass_energy_equivalent = UnitConstant(
'alpha_particle_mass_energy_equivalent',
_cd('alpha particle mass energy equivalent'),
symbol='(m_alpha*c**2)',
u_symbol='(m_α·c²)'
)
alpha_particle_mass_energy_equivalent_in_MeV = UnitConstant(
'alpha_particle_mass_energy_equivalent_in_MeV',
_cd('alpha particle mass energy equivalent in MeV'),
)
alpha_particle_mass_in_u = UnitConstant(
'alpha_particle_mass_in_u',
_cd('alpha particle mass in u')
)
alpha_particle_molar_mass = UnitConstant(
'alpha_particle_molar_mass',
_cd('alpha particle molar mass'),
symbol='M_alpha',
u_symbol='M_α'
)
alpha_particle_electron_mass_ratio = UnitConstant(
'alpha_particle_electron_mass_ratio',
_cd('alpha particle-electron mass ratio'),
symbol='(m_alpha/m_e)',
u_symbol='(m_α/mₑ)'
)
alpha_particle_proton_mass_ratio = UnitConstant(
'alpha_particle_proton_mass_ratio',
_cd('alpha particle-proton mass ratio'),
symbol='(m_alpha/m_p)',
u_symbol='(m_α/m_p)'
)
del UnitConstant, _cd