The following page helps to quickly calculate the center-of-mass collision energy for a ion experiencing a single collision with a stationary gas particle.
Notes on masses: He: 4.002603, Ne: 19.992440, Ar: 39.962383, N2: 28.006148
Mass of collision gas:
Mass of ion:
Kinetic energy of ion:
Center of mass collision energy:
Center of mass collision energy (S.I. units):