arXiv:1808.04101·v1·High Energy Physics — Phenomenology
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., Hatfield)🇨🇭
Abstract
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.
Comments: 4 pages. Contributed to the 14th Patras Workshop on Axions, WIMPs and WISPs, DESY in Hamburg, June 18 to 22, 2018