Electron-stimulated desorption from molecular ices in the 0.15–2 keV regime
نویسندگان
چکیده
منابع مشابه
Desorption From Interstellar Ices
The desorption of molecular species from ice mantles back into the gas phase in molecular clouds results from a variety of very poorly understood processes. We have investigated three mechanisms; desorption resulting from H2 formation on grains, direct cosmic ray heating and cosmic ray induced photodesorption. Whilst qualitative differences exist between these processes (essentially deriving fr...
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Millimeter observations of preand protostellar cores show that the abundances of the gas-phase tracer molecules, CO and N2H , anticorrelate with each other and often exhibit “holes” where the density is greatest. These results are reasonably reproduced by astrochemical models, provided that the ratio between the binding energies of N2 and CO, , is taken to be between 0.5 and 0.75. This Letter i...
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ژورنال
عنوان ژورنال: Journal of Applied Physics
سال: 2020
ISSN: 0021-8979,1089-7550
DOI: 10.1063/5.0021832