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Application of the PHD approximation to the high rotational transitions in the Ar + N2 system

✍ Scribed by Michael Tamir; Moshe Shapiro

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
248 KB
Volume
39
Category
Article
ISSN
0009-2614

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✦ Synopsis

The p-helicity&wupling (PHD) scheme is applied to high rotational transitions in the AI f Nz system and found to give more accurate cross sections and opacity functions than other known approximations. * hp the phelicity is defined as the projection of J on the direction of p -the linear momentum. Thus hP = J-p (=j'& while hR the R-helicity is AR = J-fi (= j-h). The phelicity representation uses the (J,M, i, A$ quantum numbers instead of the Arthurs and Dalgamo [ 121 (.I& j, r) representation.

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