no code implementations • 14 Dec 2020 • Jean-Christophe Loison, Valentine Wakelam, Pierre Gratier, Kevin M. Hickson
We show that, while dense molecular cloud gas-phase chemistry alone leads to very low fractionation, 14N atoms are preferentially depleted from the gas-phase due to a mass dependent grain surface sticking rate for atomic nitrogen.
Astrophysics of Galaxies