Probing neutrino mass ordering with supernova neutrinos at NOvA including the effect of sterile neutrinos

被引：0

作者：

Panda, Papia ^{[1
]}

Mohanta, Rukmani ^{[1
]}

机构：

[1] Univ Hyderabad, Sch Phys, Hyderabad 500046, India

来源：

NUCLEAR PHYSICS B | 2025年 / 1018卷

关键词：

OSCILLATION EXPERIMENTS; SIMULATION;

D O I：

10.1016/j.nuclphysb.2025.117002

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In this work, we explore the possibility of probing the mass ordering sensitivity as a function of supernova distance in the context of the ongoing neutrino experiment NOvA. We provide a detailed study of the active-active and active-sterile mixing frameworks, illustrating how supernova neutrinos can be used to realize the existence of sterile neutrinos. Interestingly, we infer that observation of the NC channel alone can differentiate between the presence and absence of sterile neutrinos. Our results indicate that the primary channel of NOvA can distinguish normal mass ordering from inverted mass ordering at 5a confidence level for a supernova explosion occurring at a distance of 5 kpc. Additionally, we examine the impact of systematic uncertainties on mass ordering sensitivity, showing that higher levels of systematics lead to a reduction in sensitivity. Similarly, the inclusion of energy smearing significantly diminishes ordering sensitivity.

引用

页数：16

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