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Main Authors: Bresó-Pla, Víctor, Cruz-Alzaga, Sergio, González-Alonso, Martín, Prakash, Suraj
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2502.18175
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author Bresó-Pla, Víctor
Cruz-Alzaga, Sergio
González-Alonso, Martín
Prakash, Suraj
author_facet Bresó-Pla, Víctor
Cruz-Alzaga, Sergio
González-Alonso, Martín
Prakash, Suraj
contents We demonstrate that measurements of Coherent Elastic Neutrino-Nucleus Scattering (CE$ν$NS) at spallation sources are valuable probes of muon-decay physics. Using COHERENT data we derive the first direct constraint on the Michel parameters governing the $\barν_μ$ energy distribution. We also discuss future sensitivities, the implications for the Lorentz structure of the interactions mediating muon decay and the application to other neutrino-production mechanisms like pion decay.
format Preprint
id arxiv_https___arxiv_org_abs_2502_18175
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Muon-Decay Parameters from COHERENT
Bresó-Pla, Víctor
Cruz-Alzaga, Sergio
González-Alonso, Martín
Prakash, Suraj
High Energy Physics - Phenomenology
We demonstrate that measurements of Coherent Elastic Neutrino-Nucleus Scattering (CE$ν$NS) at spallation sources are valuable probes of muon-decay physics. Using COHERENT data we derive the first direct constraint on the Michel parameters governing the $\barν_μ$ energy distribution. We also discuss future sensitivities, the implications for the Lorentz structure of the interactions mediating muon decay and the application to other neutrino-production mechanisms like pion decay.
title Muon-Decay Parameters from COHERENT
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2502.18175