University of Warwick crest Dr. Mark P. Barrow: Research in mass spectrometry

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CID: collision energy calculation

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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

Parameters:

Mass of collision gas:

Da

Mass of ion:

Da

Kinetic energy of ion:

eV

Results:

Center of mass collision energy:

eV

Center of mass collision energy (S.I. units):

J