$0\nu2\beta$ decay and neutrino magnetic moment
Marek G\'o\'zd\'z, Wies{\l}aw A. Kami\'nski
TL;DR
This paper introduces a novel neutrinoless double beta decay channel driven by neutrino magnetic moments in external magnetic fields, showing potential for resonant enhancement under specific conditions.
Contribution
It proposes a new decay mechanism involving magnetic moments and external fields, expanding the understanding of neutrinoless double beta decay processes.
Findings
Resonant enhancement possible at certain magnetic field strengths
New decay channel mediated by neutrino magnetic moments
Effective neutrino mass analog derived for this process
Abstract
We propose a new channel of the neutrinoless double beta decay, based on the fact that in the presence of an external nonuniform magnetic field, the transition between neutrino and antineutrino can take place through the induced neutrino magnetic moment. We calculate the analog of the effective neutrino mass for this channel and show that, for certain values of the external magnetic field, a resonant enhancement can be obtained.
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