Probing lepton number violation and Majorana nature of neutrinos at the LHC

A bstract Observation of lepton number ( L ) violation by two units at colliders would provide evidence for the Majorana nature of neutrinos. We study signals of L -violation in the context of two popular models of neutrino masses, the type-II seesaw model and the Zee model, wherein small neutrino m...

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Bibliographic Details
Published in:The journal of high energy physics 2024-06, Vol.2024 (6), p.132-21, Article 132
Main Authors: Babu, K. S., Barman, Rahool K., Gonçalves, Dorival, Ismail, Ahmed
Format: Article
Language:English
Subjects:
Baryon/Lepton Number Violation
Classical and Quantum Gravitation
Elementary Particles
Leptons
Luminosity
Neutrinos
Phenomenology
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Quarks
Regular Article - Theoretical Physics
Relativity Theory
Specific BSM Phenomenology
String Theory
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Summary:A bstract Observation of lepton number ( L ) violation by two units at colliders would provide evidence for the Majorana nature of neutrinos. We study signals of L -violation in the context of two popular models of neutrino masses, the type-II seesaw model and the Zee model, wherein small neutrino masses arise at the tree-level and one-loop level, respectively. We focus on L -violation signals at the LHC arising through the process pp → ℓ ± ℓ ′± + jets within these frameworks. We obtain sensitivity to L -violation in the type-II seesaw model for triplet scalar masses up to 700 GeV and in the Zee model for charged scalar masses up to 4.8 TeV at the high-luminosity LHC with an integrated luminosity of 3 ab −1 .
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP06(2024)132