In this paper, we report on the formation of molecular hydrogen on different types of amorphous water ice. We show that mass spectra of desorbing molecules upon formation are sensitive to the way in which ice is deposited on a cold substrate, to its thermal history, and to the action of UV photons. Implications that these results bear on H(2) formation in dense quiescent clouds are presented and discussed.
Formation of molecular hydrogen on amorphous water ice: Influence of morphology and ultraviolet exposure
PIRRONELLO, Valerio;
2002-01-01
Abstract
In this paper, we report on the formation of molecular hydrogen on different types of amorphous water ice. We show that mass spectra of desorbing molecules upon formation are sensitive to the way in which ice is deposited on a cold substrate, to its thermal history, and to the action of UV photons. Implications that these results bear on H(2) formation in dense quiescent clouds are presented and discussed.File in questo prodotto:
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