H(2)O-H(2)O collision rate coefficients

Year: 2000

Authors: Buffa G., Tarrini O., Scappini F., Cecchi-Pestellini C.

Autors Affiliation: Istituto Nazionale di Fisica della Materia, Pisa; Istituto di Spettroscopia Molecolare del C.N.R., Bologna; Harvard-Smithsonian Center for Astrophysics, Cambridge, MA e Dipartimento di Astronomia e Scienza dello Spazio, Universita` di Firenze

Abstract: H(2)O-H(2)O collision cross sections are calculated by adapting the method developed by Anderson and Tsao and Cornette for the calculation of collision broadening of molecular spectral lines. Cross sections are computed with a cutoff limit at 20 Angstrom(2) for the rotational levels of water with J less than or equal to 10 and E < 2000 cm-l in the temperature range 100-800 K. The accuracy of the calculated values is estimated to be 10%-20%. Journal/Review: ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES

Volume: 128 (2)      Pages from: 597  to: 601

KeyWords: water; molecular processes; collisions; rates;
DOI: 10.1086/313389

Citations: 22
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