SIMBAD references

2016MNRAS.457.3096A - Mon. Not. R. Astron. Soc., 457, 3096-3100 (2016/April-2)

The radiative association of P and O atoms.


Abstract (from CDS):

The formation of PO from the radiative association of phosphorus and oxygen atoms has been estimated by accurate quantum chemistry calculations. The radiative association of P and O atoms along the B2Σ+ potential energy curve is the most efficient way of producing PO in the X2Π ground state. For temperatures ranging between 300 and 14 000 K, the rate coefficients are found to vary from 1.61 x 10–24 to 1.99 x 10–18 cm3/s, respectively. These values indicate that only a very small amount of PO molecules can be formed by radiative association in dense and hot gas close to the photosphere of evolved oxygen-rich stars and other hostile environments.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): atomic data - atomic processes - molecular data - circumstellar matter - ISM: molecules

Simbad objects: 3

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