H2 Line-mixing coefficients in the ν2 and ν4 bands of PH3 at low temperature

Jamel Salem, Ghislain Blanquet, Muriel Lepère, Hassen Aroui

    Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

    Résumé

    Using a tunable diode-laser spectrometer adapted with a low temperature cell, we have measured the H2 line-mixing coefficients for 21 lines in the QR branch of the ν2 band and in the PP and RP branches of the ν4 band of phosphine (PH3) at low temperature. These coefficients were determined using a multi-pressure fitting procedure that accounts for the apparatus function, the Doppler and the collisional effects. These lines with J values ranging from 2 to 11 and K from 0 to 9 are located in the spectral range from 1016 to 1093cm-1. The variations of these parameters with the temperature, and the ro-vibrational quantum numbers are discussed.

    langue originaleAnglais
    Pages (de - à)34-39
    Nombre de pages6
    journalJournal of Quantitative Spectroscopy and Radiative Transfer
    Volume173
    Les DOIs
    Etat de la publicationPublié - 1 avr. 2016

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