Hadron colliders signatures of lepton number violation in the type II seesaw model
We examine the prospect of observing genuine lepton-number-violating (LNV) signals at hadron colliders in the context of the type II seesaw mechanism. The model features smoking gun signals involving same-sign di-leptons and jets that may be the primary observable channel in certain regions of the parameter space. The flavor composition of final-state charged leptons is related to the origin of neutrino masses and is correlated with other rare processes, such as neutrinoless double-beta decay. We review existing collider limits and provide sensitivity estimates from LNV signals at upcoming Large Hadron Collider runs, including nonzero mass splittings between triplet components.
Authors
- Patrick D. Bolton (ORCID: https://orcid.org/0000-0001-6959-8694)
- Miha Nemevšek (ORCID: https://orcid.org/0000-0003-1110-342X)
- Jonathan Kriewald (ORCID: https://orcid.org/0000-0002-3313-115X)
- Fabrizio Nesti (ORCID: https://orcid.org/0000-0003-4508-8141)
- Juan Carlos Vásquez (ORCID: https://orcid.org/0000-0001-5940-4059)
Institutions
- University of Ljubljana (SI)
- Amherst College (US)
- University of L'Aquila (IT)
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran Sasso (IT)
- Jožef Stefan Institute (SI)
Publication Details
- Journal
- Physical review. D/Physical review. D.
- Published
- 2025-02-18
- DOI
- https://doi.org/10.1103/physrevd.111.035016
- Citations
- 2
- Primary Topic
- Particle physics theoretical and experimental studies
- Type
- article
- Field-Weighted Citation Impact
- 3.74
Funders
- U.S. Department of Energy
- Carleton University
- Deutsche Forschungsgemeinschaft
- Javna Agencija za Raziskovalno Dejavnost RS
- Mainz Institute for Theoretical Physics, Johannes Gutenberg University Mainz