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Formation of ozone by irradiation of oxygen at 248 nanometersWhile Slanger et al. (1988) have reported that the 248-nm KrF laser radiation generates ozone from oxygen, despite this wavelength's exceeding of the conventionally accepted photodissociation threshold of 242.4 for the ground electronic state, the initiating mechanism for this ozone formation remains obscure. It is presently suggested that the initiating step is the absorption of the 248-nm radiation by O2. In a reply to the present authors, Slanger et al. indicate that their original experiment should have been performed by introducing pure O2 into a baked cell, with the start time defined by the unblocking of the 248-nm laser.
Document ID
19910034077
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Freeman, D. E.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Yoshino, K.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Parkinson, W. H.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Date Acquired
August 15, 2013
Publication Date
December 7, 1990
Publication Information
Publication: Science
Volume: 250
ISSN: 0036-8075
Subject Category
Geophysics
Accession Number
91A18700
Funding Number(s)
CONTRACT_GRANT: NAG5-484
Distribution Limits
Public
Copyright
Other

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