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The present and future status of heavy neutral leptons

Abdullahi, Asli M; Barham Alzás, Pablo; Batell, Brian; Beacham, James; Boyarsky, Alexey; Carbajal, Saneli; Chatterjee, Animesh; Crespo-Anadón, José I; Deppisch, Frank F; De Roeck, Albert; Drewes, Marco; Martin Gago, Alberto; Gonzalez Suarez, Rebeca; Goudzovski, Evgueni; Hatzikoutelis, Athanasios; Hernandez-Garcia, Josu; Hostert, Matheus; Hufnagel, Marco; Ilten, Philip; Izmaylov, Alexander; Kelly, Kevin J; Klarić, Juraj; Kopp, Joachim; Kulkarni, Suchita; Lamoureux, Mathieu; Lanfranchi, Gaia; López-Pavón, Jacobo; Mikulenko, Oleksii; Mooney, Michael; Nemevšek, Miha; Ovchynnikov, Maksym; Pascoli, Silvia; Plestid, Ryan; Rashad Darwish, Mohamed; Leo Redi, Federico; Ruchayskiy, Oleg; Ruiz, Richard; Shaposhnikov, Mikhail; Shchutska, Lesya; Shoemaker, Ian M; Shrock, Robert; Sousa, Alex; Van Remortel, Nick; Syvolap, Vsevolod; Takhistov, Volodymyr; Tastet, Jean-Loup; Timiryasov, Inar; Vincent, Aaron C; Yu, Jaehoon

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Authors

Profile image of Asli Abdullahi

Asli Abdullahi asli.abdullahi@durham.ac.uk
PGR Student Doctor of Philosophy

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

Philip Ilten

Alexander Izmaylov

Kevin J Kelly

Juraj Klarić

Joachim Kopp

Suchita Kulkarni

Mathieu Lamoureux

Gaia Lanfranchi

Jacobo López-Pavón

Oleksii Mikulenko

Michael Mooney

Miha Nemevšek

Maksym Ovchynnikov

Ryan Plestid

Mohamed Rashad Darwish

Federico Leo Redi

Oleg Ruchayskiy

Richard Ruiz

Mikhail Shaposhnikov

Lesya Shchutska

Ian M Shoemaker

Robert Shrock

Alex Sousa

Nick Van Remortel

Vsevolod Syvolap

Volodymyr Takhistov

Jean-Loup Tastet

Inar Timiryasov

Aaron C Vincent

Jaehoon Yu



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.

Citation

Abdullahi, A. M., Barham Alzás, P., Batell, B., Beacham, J., Boyarsky, A., Carbajal, S., Chatterjee, A., Crespo-Anadón, J. I., Deppisch, F. F., De Roeck, A., Drewes, M., Martin Gago, A., Gonzalez Suarez, R., Goudzovski, E., Hatzikoutelis, A., Hernandez-Garcia, J., Hostert, M., Hufnagel, M., Ilten, P., Izmaylov, A., …Yu, J. (2023). The present and future status of heavy neutral leptons. Journal of Physics G: Nuclear and Particle Physics, 50(2), Article 020501. https://doi.org/10.1088/1361-6471/ac98f9

Journal Article Type Article
Acceptance Date Oct 11, 2022
Online Publication Date Jan 20, 2023
Publication Date 2023
Deposit Date May 4, 2023
Publicly Available Date May 4, 2023
Journal Journal of Physics G: Nuclear and Particle Physics
Print ISSN 0954-3899
Electronic ISSN 1361-6471
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 50
Issue 2
Article Number 020501
DOI https://doi.org/10.1088/1361-6471/ac98f9
Public URL https://durham-repository.worktribe.com/output/1175855

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.






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