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Martin S, Bernard J, Brédy R, et al. Fast radiative cooling of anthracene observed in a compact electrostatic storage ring. Phys Rev Lett. 2013;110(6):063003doi: 10.1103/PhysRevLett.110.063003.
Martin, S., Bernard, J., Brédy, R., Concina, B., Joblin, C., Ji, M., Ortega, C., & Chen, L. (2013). Fast radiative cooling of anthracene observed in a compact electrostatic storage ring. Physical review letters, 110(6), 063003. https://doi.org/10.1103/PhysRevLett.110.063003
Martin, S, et al. "Fast radiative cooling of anthracene observed in a compact electrostatic storage ring." Physical review letters vol. 110,6 (2013): 063003. doi: https://doi.org/10.1103/PhysRevLett.110.063003
Martin S, Bernard J, Brédy R, Concina B, Joblin C, Ji M, Ortega C, Chen L. Fast radiative cooling of anthracene observed in a compact electrostatic storage ring. Phys Rev Lett. 2013 Feb 08;110(6):063003. doi: 10.1103/PhysRevLett.110.063003. Epub 2013 Feb 07. PMID: 23432240.
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Phys Rev Lett. 2013 Feb 08;110(6):063003. doi: 10.1103/PhysRevLett.110.063003. Epub 2013 Feb 07.

Fast radiative cooling of anthracene observed in a compact electrostatic storage ring.

Physical review letters

S Martin, J Bernard, R Brédy, B Concina, C Joblin, M Ji, C Ortega, L Chen

Affiliations

  1. Institut Lumière Matière, UMR5306 Université Lyon 1-CNRS, Université de Lyon, 69622 Villeurbanne cedex, France.

PMID: 23432240 DOI: 10.1103/PhysRevLett.110.063003

Abstract

Fast radiative cooling of anthracene was observed in a compact electrostatic storage ring by probing the evolution of the internal energy distribution of a stored (C(14)H(10))(+) molecular ensemble via laser excitation. We have measured the mean radiative decay rate to be about 120 to 250 s(-1) for internal energies in the range from 6.6 to 6.8 eV. Such a high decay rate is 2 orders of magnitude larger than the infrared emission cooling rate expected for vibrational transitions. It is attributed to fluorescence from thermally excited electrons. This fast cooling mechanism may have important implications in astrophysics concerning the lifetime and the critical size of polycyclic aromatic hydrocarbons in interstellar conditions.

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