Up-type FCNC in presence of Dark Matter
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866911549257416704 |
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| author | Bhattacharya, Subhaditya Kolay, Lipika Pradhan, Dipankar Sarkar, Abhik |
| author_facet | Bhattacharya, Subhaditya Kolay, Lipika Pradhan, Dipankar Sarkar, Abhik |
| contents | Dark Matter (DM) is a known unknown. Apart, current experimental constraints on flavor-changing neutral current (FCNC) processes involving up-type quarks also provide scope to explore physics beyond the Standard Model (SM). In this article, we establish a connection between the flavor sector and the DM sector with minimal extension of the SM. Here a singlet complex scalar field, stable under $\mathbb{Z}_3$ symmetry, acts as DM and couples to SM up-type quarks through a heavy Dirac vector-like quark (VLQ), which shares the same $\mathbb{Z}_3$ charge as of the DM. The model thus addresses the observed $D^0-\bar{D^0}$ mixing, top-FCNC interactions, and $D^0$ meson decays, together with DM relic density, while evading the direct and indirect DM search bounds. The model can be probed at the future high-energy muon collider, through distinctive signatures of VLQ production, where the VLQ decays into DM and SM particles, abiding by the existing bounds. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_20045 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Up-type FCNC in presence of Dark Matter Bhattacharya, Subhaditya Kolay, Lipika Pradhan, Dipankar Sarkar, Abhik High Energy Physics - Phenomenology High Energy Physics - Experiment Dark Matter (DM) is a known unknown. Apart, current experimental constraints on flavor-changing neutral current (FCNC) processes involving up-type quarks also provide scope to explore physics beyond the Standard Model (SM). In this article, we establish a connection between the flavor sector and the DM sector with minimal extension of the SM. Here a singlet complex scalar field, stable under $\mathbb{Z}_3$ symmetry, acts as DM and couples to SM up-type quarks through a heavy Dirac vector-like quark (VLQ), which shares the same $\mathbb{Z}_3$ charge as of the DM. The model thus addresses the observed $D^0-\bar{D^0}$ mixing, top-FCNC interactions, and $D^0$ meson decays, together with DM relic density, while evading the direct and indirect DM search bounds. The model can be probed at the future high-energy muon collider, through distinctive signatures of VLQ production, where the VLQ decays into DM and SM particles, abiding by the existing bounds. |
| title | Up-type FCNC in presence of Dark Matter |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2504.20045 |