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Título: | Low-temperature rate constants for rotational excitation and de-excitation of C3 (X 1∑g +) by collisions with He (1S) |
Autor: | Ben Abdallah, D.; Hammami, K.; Najar, F.; Ben Lakhdar, Z.; Senent, María Luisa CSIC ORCID ; Chambaud, G.; Hochlaf, M. | Fecha de publicación: | 2008 | Editor: | American Astronomical Society | Citación: | Astrophysical Journal 686: 379-383 (2008) | Resumen: | The low-temperature rotational (de-) excitation of C3 (X 1∑g 1) by collisions with He (1S) is studied using an ab initio potential energy surface (PES). This PES has been calculated using the single- and double-excitation coupled-cluster approach with noniterative perturbational treatment of triple excitations [CCSD(T)] and the augmented correlation-consistent triple-ζ basis set (aug-cc-pVTZ) with bond functions. This PES is then incorporated in full close-coupling quantum scattering calculations for collision energies between 0.1 and 50 cm -1 in order to deduce the rate constants for rotational levels of C3 up to j = 10, covering the temperature range 5-15 K. © 2008. The American Astronomical Society. All rights reserved. | URI: | http://hdl.handle.net/10261/72963 | DOI: | 10.1086/587979 | Identificadores: | doi: 10.1086/587979 issn: 0004-637X |
Aparece en las colecciones: | (CFMAC-IEM) Artículos |
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