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Web of Science: 71 cites,
Gamma rays from SN 1987A due to pseudoscalar conversion
Grifols, J. A. (Josep Antoni) (Institut de Física d'Altes Energies)
Massó i Soler, Eduard (Institut de Física d'Altes Energies)
Toldrà Sabaté, Ramon (Institut de Física d'Altes Energies)
American Physical Society

Data: 1996
Resum: A light pseudoscalar coupled to two photons would be copiously emitted by the core of a supernova. Part of this flux would be converted to γ rays by the galactic magnetic field. Measurements on the SN 1987A γ-ray flux by the Gamma-Ray Spectrometer on the Solar Maximum Mission satellite already imply a bound on the coupling g<3×10−12GeV−1. The improved generation of satellite-borne detectors, like EGRET or the project GLAST, could be able to detect a pseudoscalar-to-photon signal from a nearby supernova, for allowed values of g.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; publishedVersion
Publicat a: Physical review letters, Vol. 77, Issue 12 (September 1996) , p. 2372-2375, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.77.2372

4 p, 124.9 KB

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