Publication Date
2-1-2023
Document Type
Article
Publication Title
Journal of Physics G: Nuclear and Particle Physics
Volume
50
Issue
2
DOI
10.1088/1361-6471/ac98f9
Abstract
The existence of nonzero neutrino masses points to the likely existence of multiple Standard Model neutral fermions. When such states are heavy enough that they cannot be produced in oscillations, they are referred to as heavy neutral leptons (HNLs). In this white paper, we discuss the present experimental status of HNLs including colliders, beta decay, accelerators, as well as astrophysical and cosmological impacts. We discuss the importance of continuing to search for HNLs, and its potential impact on our understanding of key fundamental questions, and additionally we outline the future prospects for next-generation future experiments or upcoming accelerator run scenarios.
Keywords
beyond the standard model, Neutrinos, sterile neutrinos
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Department
Physics and Astronomy
Recommended Citation
Asli M. Abdullahi, Pablo Barham Alzás, Brian Batell, James Beacham, Alexey Boyarsky, Saneli Carbajal, Animesh Chatterjee, José I. Crespo-Anadón, Frank F. Deppisch, Albert De Roeck, Marco Drewes, Alberto Martin Gago, Rebeca Gonzalez Suarez, Evgueni Goudzovski, Athanasios Hatzikoutelis, Josu Hernandez-Garcia, Matheus Hostert, Marco Hufnagel, and Philip Ilten. "The present and future status of heavy neutral leptons" Journal of Physics G: Nuclear and Particle Physics (2023). https://doi.org/10.1088/1361-6471/ac98f9
