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Lepton Number Violation: from 0νββ Decay to Long-Lived Particle Searches

Li, Gang and Ramsey-Musolf, Michael J. and Su, Shufang and Vasquez, Juan Carlos (2022) Lepton Number Violation: from 0νββ Decay to Long-Lived Particle Searches. Physical Review D, 105 (11). Art. No. 115018. ISSN 2470-0010. doi:10.1103/physrevd.105.115018. https://resolver.caltech.edu/CaltechAUTHORS:20220614-488356000

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Abstract

We study the complementary tests of lepton number violation in 0νββ-decay experiments, long-lived particle (LLP) searches at the LHC main detectors ATLAS/CMS, and a proposed far detector MATHUSLA. In the context of a simplified model with a scalar doublet S and a Majorana fermion F, we show that while the 0νββ-decay experiments can probe a larger portion of parameter space, the LLP searches can uniquely probe the region of smaller couplings and masses if S is at TeV scale while F is at or below the electroweak scale. We also investigate constraints on the parameter space from the existing searches that are insensitive to lepton number violation.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevD.105.115018DOIArticle
https://arxiv.org/abs/2109.08172arXivDiscussion Paper
ORCID:
AuthorORCID
Li, Gang0000-0003-2232-5140
Ramsey-Musolf, Michael J.0000-0001-8110-2479
Su, Shufang0000-0002-0406-2597
Vasquez, Juan Carlos0000-0001-5940-4059
Additional Information:Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3. (Received 29 September 2021; accepted 20 April 2022; published 13 June 2022) G. L. would like to thank Jordy de Vries for many helpful discussions. Discussions with Lingfeng Li, Zhen Liu, Sebastian Urrutia-Quiroga, Liantao Wang, Guanghui Zhou, are also thankfully acknowledged. S. S. is supported by the Department of Energy under Grant No. DE-FG02-13ER41976/DE-SC0009913. J. C. V. was supported in part under the U.S. Department of Energy Contract No. DE-SC0015376. G. L., M. J. R. M., and J. C. V. were supported in part under U.S. Department of Energy Contract No. DE-SC0011095. M. J. R. M. was also supported in part under National Science Foundation of China Grant No. 19Z103010239.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-13ER41976
Department of Energy (DOE)DE-SC0009913
Department of Energy (DOE)DE-SC0015376
Department of Energy (DOE)DE-SC0011095
National Natural Science Foundation of China19Z103010239
SCOAP3UNSPECIFIED
Issue or Number:11
DOI:10.1103/physrevd.105.115018
Record Number:CaltechAUTHORS:20220614-488356000
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20220614-488356000
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:115165
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:15 Jun 2022 18:08
Last Modified:15 Jun 2022 18:08

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