Impact of improved energy resolution on DUNE sensitivity in presence of a light sterile neutrino

Fuente: arXiv
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Autores principales: Parveen, Sabila, Rout, Jogesh, Mehta, Poonam
Formato: Preprint
Publicado: 2025
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author Parveen, Sabila
Rout, Jogesh
Mehta, Poonam
author_facet Parveen, Sabila
Rout, Jogesh
Mehta, Poonam
contents The Deep Underground Neutrino Experiment (DUNE) primarily aims to measure the yet unknown parameters of the standard three neutrino framework, i.e., the determination of Dirac CP phase ($δ_{13}$), neutrino mass hierarchy (MH) and octant of $θ_{23}$. In the present work, we consider the standard three neutrino paradigm (referred to as the $(3+0)$ case) and beyond with an additional light sterile neutrino (referred to as the $(3+1)$ case). We consider two configurations : standard energy resolution as in DUNE Technical Design Report (TDR) and improved energy resolution and study the impact of energy resolution in the $(3+0)$ and $(3+1)$ cases. In general, inclusion of subdominant new physics effects spoils the sensitivities. However, improved energy resolution leads to enhancement in sensitivities to the three unknowns in both $(3+0)$ and $(3+1)$ cases.
format Preprint
id arxiv_https___arxiv_org_abs_2506_10767
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Impact of improved energy resolution on DUNE sensitivity in presence of a light sterile neutrino
Parveen, Sabila
Rout, Jogesh
Mehta, Poonam
High Energy Physics - Phenomenology
The Deep Underground Neutrino Experiment (DUNE) primarily aims to measure the yet unknown parameters of the standard three neutrino framework, i.e., the determination of Dirac CP phase ($δ_{13}$), neutrino mass hierarchy (MH) and octant of $θ_{23}$. In the present work, we consider the standard three neutrino paradigm (referred to as the $(3+0)$ case) and beyond with an additional light sterile neutrino (referred to as the $(3+1)$ case). We consider two configurations : standard energy resolution as in DUNE Technical Design Report (TDR) and improved energy resolution and study the impact of energy resolution in the $(3+0)$ and $(3+1)$ cases. In general, inclusion of subdominant new physics effects spoils the sensitivities. However, improved energy resolution leads to enhancement in sensitivities to the three unknowns in both $(3+0)$ and $(3+1)$ cases.
title Impact of improved energy resolution on DUNE sensitivity in presence of a light sterile neutrino
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2506.10767