Back-to-back pair correlation of Majorana neutrinos with transit magnetic moments

TL;DR

This paper explores how Majorana neutrinos with transit magnetic moments can be produced in collider experiments and how their flavor correlations can reveal their mixing angles.

Contribution

It introduces a method to probe Majorana neutrinos with magnetic moments via pair production and analyzes flavor correlations to infer mixing angles.

Findings

Back-to-back neutrino pairs show angular distribution peaking at 90 degrees.

Flavor correlations can be used to determine neutrino mixing angles.

Proposes a new way to detect Majorana neutrinos with magnetic moments.

Abstract

The pair production of Majorana neutrinos with transit magnetic moments from the annihilation of charged particles in colliding experiments is discussed using the Pauli interaction, through which the neutral neutrinos but with magnetic moments can be probed by photon. The pair of neutrinos with different flavors are produced due to the transit magnetic moment coupling. We discuss the correlations of flavors in pairs produced back-to-back in the center of mass frame, where the angular distribution peaks at $\theta=\pi/2$ with respect to the beam direction. We demonstrate that the flavor mixing angle can be inferred by measuring the flavor correlation in pairs.