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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2108.02069 (astro-ph)
[Submitted on 4 Aug 2021]

Title:Extending the sample of core-collapse supernovae for searches of axion-like-particle induced gamma-ray bursts with the Fermi LAT

Authors:Manuel Meyer, Tanja Petrushevska (for the Fermi-LAT collaboration)
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Abstract:During a core-collapse supernova (SN), axion-like particles (ALPs) could be produced through the Primakoff process and subsequently convert into gamma rays in the magnetic field of the Milky Way. Using a sample of well studied extragalactic SNe at optical wavelengths, we estimate the time of the core collapse and search for a coincident gamma-ray burst with the Fermi Large Area Telescope (LAT). Under the assumption that at least one SN was contained within the LAT field of view, we exclude photon-ALP couplings within a factor of $\sim$5 of previous limits from SN1987A. With the increasing number of SNe observed with optical surveys, our results demonstrate the potential to probe ALP dark matter with combined optical and gamma-ray observations. We also provide preliminary results for the estimation of explosion times of 15 close-by SNe observed recently with ZTF. Our findings show that the explosion time can be estimated within one day (statistical uncertainty only) making them promising targets for a follow-up LAT analysis.
Comments: Proceedings of the 37th International Cosmic Ray Conference (ICRC 2021)
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:2108.02069 [astro-ph.HE]
  (or arXiv:2108.02069v1 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2108.02069
Related DOI: https://doi.org/10.22323/1.395.0510

Submission history

From: Manuel Meyer [view email]
[v1] Wed, 4 Aug 2021 13:53:54 UTC (5,522 KB)
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