OEConstΒΆ

This namespace contains constants.

c

The speed of light in \(meters/second\).

h

The Planck’s constant in \(J*s\) (joule-seconds).

hbar

The reduced Planck constant which is equal to the Planck constant divided by (or reduced by) \(2\pi\).

NA

The Avogadro constant in \(mol^{-1}\).

k

Boltzmann constant in \(JK^{-1}mol^{-1}\).

e

The elementary charge in \(coulombs\).

R

The gas constant in \(JK^{-1}\).

me

The electron mass constant in \(kg\).

mp

The proton mass constant in \(kg\).

mu

The atomic mass constant in \(kg\).

eps0

The electric constant (vacuum permittivity) in \(C^2*N^{-1}*m^{-2}\)

cal2J

The thermodynamic calorie to Joule factor.