Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...582.1263w&link_type=abstract
The Astrophysical Journal, Volume 582, Issue 2, pp. 1263-1268.
Astronomy and Astrophysics
Astronomy
8
Molecular Data, Molecular Processes
Scientific paper
New accurate photodissociation cross sections have been obtained for the B'2Σ+<-- X2Σ+ transition of 24MgH using a combination of ab initio and experimentally derived potential curves and dipole transition moments. The partial cross sections have been evaluated for all rotational transitions from the vibrational levels v''=0-11 and over the entire accessible wavelength range λλ1770-4560 Å. In particular, all shape resonances arising from rotational predissociation of quasi-bound levels of the B' state have been obtained near threshold. Assuming a Boltzmann distribution of the rovibrational levels of the X2Σ+, LTE photodissociation cross sections are presented for temperatures between 1000 and 10,000 K.
Kirby Kate
Stancil Phillip C.
Weck Philippe F.
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