Useful constants
The most common constants used in Synchrotron research.
Plank Constant
h = 6.626 × 10-34 m2 . kg . s-1
Light celerity
c = 299.792 × 106 m / s
Universal gas constant
R = 8,314 J . mol−1 . K−1
Avogadro
NA = 6,022 × 1023 mol−1.
Boltzman constant
kB = 1,381 × 10-23 m2 kg s-2 K-1