Long-lived heavy neutral leptons at lepton colliders as a probe of left-right symmetric models
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866914698073473024 |
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| author | Urquía-Calderón, Kevin A. |
| author_facet | Urquía-Calderón, Kevin A. |
| contents | Left-right symmetric models (LRSM) were proposed to reconcile the apparent parity violation in weak interactions with our intrinsic notion of fundamental parity symmetry. It was quickly realized that LRSM offers a viable framework for explaining neutrino masses by incorporating right-handed neutrinos, $N$, into its spectrum. In this study, we investigate for the first time the potential of future lepton colliders (including the FCC-ee, CEPC, ILC, CLIC, and a muon collider) to detect signals stemming from $N$'s, focusing primarily on displaced vertex signals, and on prompt signals to a lesser degree. Our results demonstrate that these signals can effectively probe the characteristic scales of LRSM, providing evidence that would be unobtainable through any other experimental means. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2310_17406 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Long-lived heavy neutral leptons at lepton colliders as a probe of left-right symmetric models Urquía-Calderón, Kevin A. High Energy Physics - Phenomenology Left-right symmetric models (LRSM) were proposed to reconcile the apparent parity violation in weak interactions with our intrinsic notion of fundamental parity symmetry. It was quickly realized that LRSM offers a viable framework for explaining neutrino masses by incorporating right-handed neutrinos, $N$, into its spectrum. In this study, we investigate for the first time the potential of future lepton colliders (including the FCC-ee, CEPC, ILC, CLIC, and a muon collider) to detect signals stemming from $N$'s, focusing primarily on displaced vertex signals, and on prompt signals to a lesser degree. Our results demonstrate that these signals can effectively probe the characteristic scales of LRSM, providing evidence that would be unobtainable through any other experimental means. |
| title | Long-lived heavy neutral leptons at lepton colliders as a probe of left-right symmetric models |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2310.17406 |