Invisible and Semi-invisible Decays of Bottom Baryons
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arXiv
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2024
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| author | Zheng, Yong Ding, Jian-Nan Li, Dong-Hao Li, Lei-Yi Lü, Cai-Dian Yu, Fu-Sheng |
| author_facet | Zheng, Yong Ding, Jian-Nan Li, Dong-Hao Li, Lei-Yi Lü, Cai-Dian Yu, Fu-Sheng |
| contents | The similar densities of dark matter and baryons in the universe imply that they might arise from the same ultraviolet model. The B-Mesogenesis, which assumes dark matter is charged under the baryon number, attempts to simultaneously explain the origin of baryon asymmetry and dark matter in the universe. In particular, the B-Mesogenesis might induce bottom-baryon decays into invisible or semi-invisible final states, which provide a distinctive signal for probing this scenario. In this work, we systematically study the invisible decays of bottom baryons into dark matters, and semi-invisible decays of bottom baryons into a meson or a photon together with a dark matter particle. In particular, the fully invisible decay can explore the stable particles in B-Mesogenesis. Some QCD-based frameworks are used to calculate the hadronic matrix elements under the B-Mesogenesis model. We estimate the constraints on the Wilson coefficients or the product of some new physics couplings with the Wilson coefficients by the semi-invisible and invisible decays of bottom baryons at future colliders. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2404_04337 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Invisible and Semi-invisible Decays of Bottom Baryons Zheng, Yong Ding, Jian-Nan Li, Dong-Hao Li, Lei-Yi Lü, Cai-Dian Yu, Fu-Sheng High Energy Physics - Phenomenology High Energy Physics - Experiment The similar densities of dark matter and baryons in the universe imply that they might arise from the same ultraviolet model. The B-Mesogenesis, which assumes dark matter is charged under the baryon number, attempts to simultaneously explain the origin of baryon asymmetry and dark matter in the universe. In particular, the B-Mesogenesis might induce bottom-baryon decays into invisible or semi-invisible final states, which provide a distinctive signal for probing this scenario. In this work, we systematically study the invisible decays of bottom baryons into dark matters, and semi-invisible decays of bottom baryons into a meson or a photon together with a dark matter particle. In particular, the fully invisible decay can explore the stable particles in B-Mesogenesis. Some QCD-based frameworks are used to calculate the hadronic matrix elements under the B-Mesogenesis model. We estimate the constraints on the Wilson coefficients or the product of some new physics couplings with the Wilson coefficients by the semi-invisible and invisible decays of bottom baryons at future colliders. |
| title | Invisible and Semi-invisible Decays of Bottom Baryons |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2404.04337 |