Plasmon effects in light scalar and pseudo-scalar emission from a supernova.

Details Plasmon effects in light scalar and pseudo-scalar emission from a supernova. Plasmon effects in light scalar and pseudo-scalar emission from a supernova.

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991anphy.207..374a&link_type=abstract

Ann. Phys. (N.Y.), Vol. 207, No. 2, p. 374 - 393

Physics

9

Supernova 1987A In Lmc, Supernovae: Stellar Evolution, Supernovae: Elementary Particles

Scientific paper

The emission of light scalars and pseudo-scalars (axion-like particles) coupled to the chromo/electric field from a QCD/AED plasma at high temperature and very high density is studied in detail. The calculation is then applied to the SN 1987A event for which new bounds on the Peccei-Quinn symmetry breaking scale fa are derived, fa ⪆ 3×109GeV in presence of a quark-gluon core and fa ⪆ 107GeV, which is the same bound as the one obtained from red giant stars, by considering axion emission from the electron gas.

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