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Note: Improved line strengths of rovibrational and rotational transitions within the X3Σ− ground state of NH

Research output: Contribution to journalArticle

Original languageEnglish
Article number026101
Pages (from-to)1-3
Number of pages3
JournalJournal of Chemical Physics
Issue number2
Early online date13 Jul 2015
DateE-pub ahead of print - 13 Jul 2015
DatePublished (current) - 14 Jul 2015


Recently, a line list including positions and transition strengths was published for the NH X3Σ− 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 X2Π 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 v″ up to 6, and J up to between 25 and 44, depending on the band.

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Date of Acceptance: 22/06/2015

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    Rights statement: Copyright 2015 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.The following article appeared in The Journal of Chemical Physics 143, 026101 (2015) and may be found at

    Accepted author manuscript, 86.5 KB, PDF document



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