Neutrino oscillations with disentanglement of a neutrino from its partners

TL;DR

This paper emphasizes the importance of quantum entanglement in neutrino oscillation data analysis, introducing a new parameter related to disentanglement that could explain anomalies and influence future experiments.

Contribution

It introduces a novel framework incorporating quantum entanglement and a new disentanglement parameter into neutrino oscillation phenomenology, impacting experimental design and interpretation.

Findings

Entanglement affects neutrino oscillation phenomenology.

A new parameter for disentanglement may explain existing anomalies.

Potential measurable effects in proposed experiments.

Abstract

We bring attention to the fact that in order to understand existing data on neutrino oscillations, and to design future experiments, it is imperative to appreciate the role of quantum entanglement. Once this is accounted for, the resulting energy-momentum conserving phenomenology requires a single new parameter related to disentanglement of a neutrino from its partners. This parameter may not be CP symmetric. We illustrate the new ideas, with potentially measurable effects, in the context of a novel experiment recently proposed by Gavrin, Gorbachev, Veretenkin, and Cleveland. The strongest impact of our ideas is on the resolution of various anomalies in neutrino oscillations and on neutrino propagation in astrophysical environments.