An experimental determination of the cross section for photodesorption

Details An experimental determination of the cross section for photodesorption An experimental determination of the cross section for photodesorption

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...260..909b&link_type=abstract

Astrophysical Journal, Part 1, vol. 260, Sept. 15, 1982, p. 909-913. Research supported by the Natural Sciences and Engineering

Astronomy and Astrophysics

Astrophysics

25

Cosmic Dust, Desorption, Interstellar Chemistry, Interstellar Matter, Photochemical Reactions, Cross Sections, Molecular Absorption, Substrates

Scientific paper

Measurement of the cross section for photodesorption of an absorbing molecule on a transparent substrate shows that this process is highly inefficient. Photodesorption yields under these conditions are some four orders of magnitude lower than previously assumed. Photodesorption of molecules from interstellar dust grains will be a highly inefficient process except in certain specialized situations.

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