Note: Improved line strengths of rovibrational and rotational transitions within the X(3)Σ(-) ground state of NH.
J Chem Phys
; 143(2): 026101, 2015 Jul 14.
Article
em En
| MEDLINE
| ID: mdl-26178132
ABSTRACT
Recently, a line list including positions and transition strengths was published for the NH X(3)Σ(-) rovibrational and rotational transitions. The calculation of the transition strengths requires a conversion of transition matrix elements from Hund's case (b) to (a). The method of this conversion has recently been improved during other work on the OH X(2)Π rovibrational transitions, by removing an approximation that was present previously. The adjusted method has been applied to the NH line list, resulting in more accurate transition strengths. An updated line list is presented that contains all possible transitions with v' and vâ³ up to 6, and J up to between 25 and 44, depending on the band.
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MEDLINE
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2015
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Article