Comparison between semiclassical and quantum mechanical calculations for collisional broadening and shift of HCO+ rotational lines

Year: 2007

Authors: Buffa G.

Autors Affiliation: IPCF-CNR e Dipartimento di Fisica Università di Pisa

Abstract: For eight HCO+ rotational transitions we compare semiclassical and quantum calculations of the line broadening and shift induced by collisions with argon and helium atoms. A detailed analysis of the results allows better insights into the problem of the accuracy of the semiclassical model commonly used in most line shape studies.

Journal/Review: PHYSICAL REVIEW A

Volume: 76 (4)      Pages from: 042509-1  to: 042509-8

KeyWords: molecular spectroscopy; collisions;
DOI: 10.1103/PhysRevA.76.042509

Citations: 11
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