Benchmark linelists and radiative cooling functions for LiH isotopologues
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Linelists and radiative cooling functions in the local thermodynamic equilibrium limit have been computed for the six most important isotopologues of lithium hydride, 7LiH, 6LiH, 7LiD, 6LiD, 7LiT, and 6LiT. The data are based on the most accurate dipole moment and potential energy curves presently available, the latter including adiabatic and leading relativistic corrections. Distance-dependent reduced vibrational masses are used to account for non-adiabatic corrections of the rovibrational energy levels. Even for 7LiH, for which linelists have been reported previously, the present linelist is more accurate. Among all isotopologues, 7LiH and 6LiH are the best coolants, as shown by the radiative cooling functions.
Abstract
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Astrofísica, Espectroscopia molecular, Lítio
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Molecular astrophysics, Molecular spectroscopy, Cooling function, LiH isotopologues
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https://iopscience.iop.org/article/10.3847/1538-4365/aab431