Reaction dynamics of Mg(3s4s 1S0) with H2: interference of the MgH product contribution from the lower Mg(3s3p 1P1) state
Resource
Chemical Physics Letters 304 (5-6): 336-342
Journal
Chemical Physics Letters
Journal Volume
304
Journal Issue
5-6
Pages
336-342
Date Issued
1999
Date
1999
Author(s)
Liu, Dean-Kuo
Lin, King-Chuen
Abstract
The nascent MgH product distribution obtained in the reaction of Mg(3 s4s 1S0) with H2 was found to be identical to that from the Mg(3s3p 1P1) state. The 4 1S0 population is found to be much larger by a factor > 18 times than that relaxed to the 3 1P1 state within the pump-probe delay time. The possibility of a secondary production from the 3 1P1 state appears to be negligible in the subsequent measurements of the H2 pressure and the delay time dependences of the MgH rotational lines. These consequences confirm that the MgH product is caused mainly by the direct Mg(4 1S0)-H2 collision, rather than a secondary product from the 3 1P1 state. © 1999 Elsevier Science B.V. All rights reserved.
Type
journal article
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