Volume 341 - The 20th International Workshop on Neutrinos (NuFACT2018) - Poster Sessions
Constraining neutrino transition magnetic moments
N. Dash,* R. Moharana, G. Cao
*corresponding author
Full text: pdf
Pre-published on: 2019 November 18
Published on: 2019 December 12
Abstract
The article report a preliminary result of neutrino transition magnetic moments using DUNE LAr, HK and JUNO detectors. Neutrinos, if Majorana particles, because of the combined effect of magnetic field and matter effect in core-collapse supernova can transform some of $\nu_{e}$ to $\bar{\nu}_{e}$ due to spin flavour conversions. As a result of this conversions the inverse beta decay signal will have an increment indicating evidence of transition magnetic moments. The DUNE LAr is sensitive to $\nu_{e}$, so will observe a deficiency of $\nu_{e}$ due to this conversion whereas both HK and JUNO which are sensitive to $\bar{\nu}_{e}$ will see excess of $\bar{\nu}_{e}$. The DUNE LAr and JUNO are more or less sensitive to other type of neutrinos due to use of $^{40}$Ar and $^{12}$C. So can estimate the event ratio using both neutrinos and hence sensitivity on transition magnetic moments. Even an non observation of such conversion put a restrictive bound on the neutrino transition magnetic moments.
DOI: https://doi.org/10.22323/1.341.0046
Open Access