First Associated Neutrinos Search for a Failed Supernova Candidate with Super-Kamiokande

Dates

2026-03-23 11:00
Dates
2026-03-23 12:00

Localisation / Location

APC

Orateur/Orator

Fumi Nakanishi

Affiliation

Okayama University

Pays / Country

Japan

Type d'évènement / Type of event

Equipe(s) organisatrice(s) / Organizing team(s)

Failed supernovae are stellar core-collapse events in which the explosion does not succeed, and the core collapses directly into a black hole. In such a scenario, neutrinos are emitted and suddenly disappear once a black hole forms, making their observed time profile a direct indicator of black hole formation.
In 2024, a candidate failed supernova, M31-2014-DS1, was reported in the Andromeda galaxy at a distance of about 770 kpc.  This object offers a rare opportunity to search for neutrinos from a supernova beyond the Milky Way, making it one of the most promising candidates since SN 1987A.
In this seminar, I present the results of a neutrino search for M31-2014-DS1 using data from the Super-Kamiokande. I also discuss future prospects for neutrino observations of failed supernovae, highlighting the potential of Hyper-Kamiokande.

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