Effect of sterile phases on degeneracy resolution capabilities of LBL experiments

In sterile neutrino (3+1) parameterisation, we observe that sterile phases (\(\delta_{14},\delta_{24}\)) are always together in oscillation probability, even when the MSW effect is considered. We see that the difference between the sterile phases has a more dominating effect over event rates compare...

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Bibliographic Details
Published in:arXiv.org 2020-10
Main Authors: Chatla, Akshay, Bambah, Bindu A
Format: Article
Language:English
Subjects:
Neutrinos
Parameterization
Phases
Online Access:Get full text
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Summary:In sterile neutrino (3+1) parameterisation, we observe that sterile phases (\(\delta_{14},\delta_{24}\)) are always together in oscillation probability, even when the MSW effect is considered. We see that the difference between the sterile phases has a more dominating effect over event rates compared to small variations due to changes in individual values. In this work, we show the value of sterile phase difference (\(\delta_{14}-\delta_{24}\)) that least affects the parameter degeneracy resolution of \(\delta_{13},\theta_{23}\) at long-baseline experiments.
ISSN:2331-8422
DOI:10.48550/arxiv.2010.06321