The present and future status of heavy neutral leptons
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Published:2023-01-20
Issue:2
Volume:50
Page:020501
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ISSN:0954-3899
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Container-title:Journal of Physics G: Nuclear and Particle Physics
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language:
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Short-container-title:J. Phys. G: Nucl. Part. Phys.
Author:
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 AlbertORCID, 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 MathieuORCID, Lanfranchi GaiaORCID, López-Pavón Jacobo, Mikulenko Oleksii, Mooney Michael, Nemevšek MihaORCID, Ovchynnikov Maksym, Pascoli Silvia, Plestid Ryan, Rashad Darwish Mohamed, Leo Redi FedericoORCID, Ruchayskiy Oleg, Ruiz RichardORCID, Shaposhnikov Mikhail, Shchutska Lesya, Shoemaker Ian MORCID, Shrock Robert, Sousa Alex, Van Remortel Nick, Syvolap Vsevolod, Takhistov Volodymyr, Tastet Jean-Loup, Timiryasov Inar, Vincent Aaron C, Yu Jaehoon
Abstract
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.
Funder
U.S. Department of Energy
Subject
Nuclear and High Energy Physics
Cited by
41 articles.
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