Temperature dependence of foreign gas broadening and shift of the aQ(9,9) transition line of ammonia

Year: 2001

Authors: Baldacchini G., D’Amato F., Buffa G., Tarrini O., De Rosa M., Pelagalli F.

Autors Affiliation: ENEA, Dipartimento Innovazione, Centro Ricerche Frascati, CP 65, 00044 Frascati, Rome, Italy; Istituto Nazionale Di Fisica Della Materia, Piazza Torricelli 2, 56126 Pisa, Italy

Abstract: N-2, Air, O-2, H-2, Ar, and He broadening and shift of the aQ(9,9) transition line of ammonia have been measured in the temperature range 180-380 K with errors of similar to2 and 10%, respectively. All the measurements have been fitted with the well-known power law, which holds very well in the temperature range considered here. N-2 pressure effects have also been compared with calculations based on the Anderson-Tsao-Curnutte (ATC) theory with mixed results, anyway much more satisfactory for broadenings than shifts. (C) 2001 Elsevier Science Ltd. All rights reserved.

Journal/Review: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER

Volume: 68 (6)      Pages from: 625  to: 633

KeyWords: Air; Argon; Helium; Hydrogen; Nitrogen; Oxygen; Pressure effects; Thermal effects; Anderson-Tsao-Curnutte (ATC) theory; Foreign gas broadening, Ammonia
DOI: 10.1016/S0022-4073(00)00043-1

ImpactFactor: 1.493
Citations: 13
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