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- Title
Intrinsic absorption profile and radiative cooling rate of a PAH cation revealed by action spectroscopy in the cryogenic electrostatic storage ring DESIREE.
- Authors
Stockett, Mark H.; Björkhage, Mikael; Cederquist, Henrik; Schmidt, Henning T.; Henning, Zettergren; Salama, Farid; Linnartz, Harold
- Abstract
The multi-photon photodissociation (MPD) action spectrum of the coronene cation $$({{\rm{C}}_{24}}{\rm{H}}_{12}^ +)$$ has been measured as a function of storage time up to 60 s in the cryogenic electrostatic storage ring DESIREE. These measurements reveal not only the intrinsic absorption profile of isolated coronene cations, but also the rate at which hot-band absorptions are quenched by radiative cooling. The cooling rate is interpreted using a Simple Harmonic Cascade model of infrared vibrational emission.
- Publication
Proceedings of the International Astronomical Union, 2019, Vol 15, Issue S350, p127
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921319007130