Decay photons from the ALP burst of type-II supernovae
We determine limits from SN 1987a on massive axion-like particles (ALPs) with masses in the 10 keV - 100 MeV range and purely coupled to two photons. ALPs produced in the core collapse escape from the star and decay into photons that can be observed as a delayed and diffuse burst. We discuss the tim...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
2017
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| In: |
Arxiv
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| Online-Zugang: | Verlag, kostenfrei, Volltext: http://arxiv.org/abs/1702.02964
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| Verfasserangaben: | J. Jaeckel, P.C. Malta, and J. Redondo |
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| 245 | 1 | 0 | |a Decay photons from the ALP burst of type-II supernovae |c J. Jaeckel, P.C. Malta, and J. Redondo |
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| 520 | |a We determine limits from SN 1987a on massive axion-like particles (ALPs) with masses in the 10 keV - 100 MeV range and purely coupled to two photons. ALPs produced in the core collapse escape from the star and decay into photons that can be observed as a delayed and diffuse burst. We discuss the time and angular distribution of such a signal. Looking into the future we also estimate the possible improvements if the red supergiant Betelgeuse explodes in a supernova event. | ||
| 650 | 4 | |a Astrophysics - High Energy Astrophysical Phenomena | |
| 650 | 4 | |a High Energy Physics - Phenomenology | |
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