Axion emission and detection from a Galactic supernova

Alessandro Mirizzi (Bari Univ. & INFN Bari); Giampaolo Co' (Univ. Salento; Hatfield); Lecce); Maurizio Giannotti (Barry Univ.; Miami); Pierluca Carenza (Univ. Bari); Thomas Rauscher (Basel Univ. & Hertfordshire Univ.; Tobias Fischer (Wroclaw Univ.)

arxiv: 1808.04101 · v1 · pith:C6ZRX36Ynew · submitted 2018-08-13 · ✦ hep-ph · astro-ph.SR

Axion emission and detection from a Galactic supernova

Pierluca Carenza (Univ. Bari) , Giampaolo Co' (Univ. Salento , Lecce) , Tobias Fischer (Wroclaw Univ.) , Maurizio Giannotti (Barry Univ. , Miami) , Alessandro Mirizzi (Bari Univ. & INFN Bari) , Thomas Rauscher (Basel Univ. & Hertfordshire Univ.

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classification ✦ hep-ph astro-ph.SR

keywords axionsignaldetectiongalactichyper-kamiokandeoxygensupernovawater

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A Galactic supernova (SN) axion signal would be detected in a future neutrino Mton-class water Cherenkov detector, such as the proposed Hyper-Kamiokande in Japan. The main detection channel for axions is absorption on the oxygen nuclei in the water. The subsequent oxygen de-excitation leads to a potentially detectable gamma signal. In this contribution we present a calculation of the SN axion signal and discuss its detectability in Hyper-Kamiokande.

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Axion emission and detection from a Galactic supernova

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