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2021MNRAS.507.4086L - Mon. Not. R. Astron. Soc., 507, 4086-4094 (2021/November-1)

Resolved fine and hyperfine state-to-state rate coefficients for the rotational transitions of C3N induced by collision with He.

LARA-MORENO M., STOECKLIN T. and HALVICK P.

Abstract (from CDS):

The fine and hyperfine resolved state-to-state rate coefficients for the rotational (de)excitation of C3N by collision with helium are computed. To this aim a 2D potential energy surface is calculated for this system. The recoupling method is used to obtain the fine and hyperfine structure resolved rate coefficients from spin-free close-coupling calculations. These results are compared with those given by the infinite-order sudden approximation and the M-randomizing limit. General propensity rules for the transitions are also found and analysed.

Abstract Copyright: © 2021 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): molecular data - molecular processes - scattering - ISM: molecules

Simbad objects: 2

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