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Exploiting a Future Galactic Supernova to Probe Neutrino Magnetic Moments by Jana, Sudip; Porto-Silva, Yago P; Sen, Manibrata is a scholarly article available to read on EtoBox.

What is Exploiting a Future Galactic Supernova to Probe Neutrino Magnetic Moments about?

A core-collapse supernova (SN) offers an excellent astrophysical laboratory to test non-zero neutrino magnetic moments. In particular, the neutronization burst phase, which lasts for few tens of milliseconds post-bounce, is dominated by electron neutrinos and can offer exceptional discovery potential for transition magnetic moments. We simulate the neutrino spectra from the burst phase in forthcoming neutrino experiments like the Deep Underground Neutrino Experiment (DUNE), and the Hyper-Kamiokande (HK), by taking into account spin-flavour conversions of SN neutrinos, caused by interactions with ambient magnetic fields. We find that the neutrino transition magnetic moments which can be explored by these experiments for a galactic SN are an order to several orders of magnitude better than the current terrestrial and astrophysical limits. Additionally, we also discuss how this realization might shed light on three important neutrino properties: (a) the Dirac/Majorana nature, (b) the neutrino mass ordering, and (c) the neutrino mass-generation mechanism.

Author

Jana, Sudip; Porto-Silva, Yago P; Sen, Manibrata

Published

2022

Language

EN