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dc.contributor.authorDenis-Alpizar O.
dc.contributor.authorTrabelsi T.
dc.contributor.authorHochlaf M.
dc.contributor.authorStoecklin T.
dc.date.accessioned2020-09-02T22:16:17Z
dc.date.available2020-09-02T22:16:17Z
dc.date.issued2018
dc.identifier10.1093/mnras/stx3182
dc.identifier.citation475, 1, 783-787
dc.identifier.issn00358711
dc.identifier.urihttps://hdl.handle.net/20.500.12728/4263
dc.descriptionThe rate coefficients for the rotational de-excitation of AlO+ by collisions with He are determined. The possible production mechanisms of the AlO+ ion in both diffuse and dense molecular clouds are first discussed. A set of ab initio interaction energies is computed at the CCSD(T)-F12 level of theory, and a three-dimensional analytical model of the potential energy surface is obtained using a linear combination of reproducing kernel Hilbert space polynomials together with an analytical long range potential. The nuclear spin free closecoupling equations are solved and the de-excitation rotational rate coefficients for the lower 15 rotational states of AlO+ are reported. A propensity rule to favour Δj = -1 transitions is obtained while the hyperfine resolved state-to-state rate coefficients are also discussed. © 2017 The Author(s).
dc.language.isoen
dc.publisherOxford University Press
dc.subjectAstrochemistry
dc.subjectISM: molecules
dc.subjectMolecular data
dc.subjectMolecular processes
dc.subjectScattering
dc.titleRotational relaxation of AlO+(1Σ+) in collision with He
dc.typeArticle


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