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4 p, 124.9 KB Gamma rays from SN 1987A due to pseudoscalar conversion / Grifols, J. A. (Josep Antoni) (Josep Antoni) (Institut de Física d'Altes Energies) ; Massó i Soler, Eduard, 1954- (Universitat Autònoma de Barcelona. Departament de Física) ; Toldrà Sabaté, Ramon (Institut de Física d'Altes Energies) ; American Physical Society
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. [...]
1996 - 10.1103/PhysRevLett.77.2372
Physical review letters, Vol. 77, Issue 12 (September 1996) , p. 2372-2375  

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