Model Independent Bounds on Left-Right Gauge Boson Masses from LHC Run 2 and Flavour Observables
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| Format: | Preprint |
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2024
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| _version_ | 1866910622986272768 |
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| author | Solera, Sergio Ferrando Pich, Antonio Silva, Luiz Vale |
| author_facet | Solera, Sergio Ferrando Pich, Antonio Silva, Luiz Vale |
| contents | Left-Right Models (LRMs) are one of the most relevant extensions of the Standard Model (SM) of particle physics. They introduce an extended gauge sector and can restore parity (P) or charge conjugation (C) symmetries at high enough energies. These theories can be embedded in other more fundamental ones with larger gauge groups. Consequently, the restoration of the C or P symmetries can be pushed towards higher energy scales compared to the scale of the Spontaneous Symmetry Breaking (SSB) of the LRM gauge group. We study three LRMs with different specific realizations of the scalar sector without imposing any additional discrete symmetry on the theory. We present bounds on the masses of the new gauge bosons using data from the LHC Run 2 and study rare meson decays, discussing the structure of the right-handed quark mixing matrix and the impact of the neutrino and scalar sectors. Collider bounds valid for specific LRM realizations are alleviated bringing New Physics (NP) effects in flavour observables closer to an observable level. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2409_18552 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Model Independent Bounds on Left-Right Gauge Boson Masses from LHC Run 2 and Flavour Observables Solera, Sergio Ferrando Pich, Antonio Silva, Luiz Vale High Energy Physics - Phenomenology Left-Right Models (LRMs) are one of the most relevant extensions of the Standard Model (SM) of particle physics. They introduce an extended gauge sector and can restore parity (P) or charge conjugation (C) symmetries at high enough energies. These theories can be embedded in other more fundamental ones with larger gauge groups. Consequently, the restoration of the C or P symmetries can be pushed towards higher energy scales compared to the scale of the Spontaneous Symmetry Breaking (SSB) of the LRM gauge group. We study three LRMs with different specific realizations of the scalar sector without imposing any additional discrete symmetry on the theory. We present bounds on the masses of the new gauge bosons using data from the LHC Run 2 and study rare meson decays, discussing the structure of the right-handed quark mixing matrix and the impact of the neutrino and scalar sectors. Collider bounds valid for specific LRM realizations are alleviated bringing New Physics (NP) effects in flavour observables closer to an observable level. |
| title | Model Independent Bounds on Left-Right Gauge Boson Masses from LHC Run 2 and Flavour Observables |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2409.18552 |