Dark Matter emission at Belle II and NA62 in Minimal Flavor Violation framework
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866917467255734272 |
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| author | Mescia, Federico Okawa, Shohei Swallow, Joel Toni, Claudio |
| author_facet | Mescia, Federico Okawa, Shohei Swallow, Joel Toni, Claudio |
| contents | Minimal Flavor Violation (MFV) provides a compelling framework for exploring physics beyond the Standard Model, in which new QCD-singlet fields transforming under the global $\mathrm{SU}(3)^3$ quark flavor symmetry can naturally be stable and act as dark matter (DM) candidates. We show that the DM-MFV framework naturally accommodates the excess in either $K^+ \to π^+ ν\barν$ or $B^+ \to K^+ ν\barν$, while a unified explanation of both channels simultaneously cannot be achieved within a minimal setup containing only a single dark matter multiplet with nearly degenerate masses. Overall, our findings underscore the intricate interplay between MFV-based model building, flavored dark matter scenarios, and precision flavor experiments, highlighting flavored dark matter as a framework that is both theoretically robust and experimentally testable. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_08907 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Dark Matter emission at Belle II and NA62 in Minimal Flavor Violation framework Mescia, Federico Okawa, Shohei Swallow, Joel Toni, Claudio High Energy Physics - Phenomenology High Energy Physics - Experiment Minimal Flavor Violation (MFV) provides a compelling framework for exploring physics beyond the Standard Model, in which new QCD-singlet fields transforming under the global $\mathrm{SU}(3)^3$ quark flavor symmetry can naturally be stable and act as dark matter (DM) candidates. We show that the DM-MFV framework naturally accommodates the excess in either $K^+ \to π^+ ν\barν$ or $B^+ \to K^+ ν\barν$, while a unified explanation of both channels simultaneously cannot be achieved within a minimal setup containing only a single dark matter multiplet with nearly degenerate masses. Overall, our findings underscore the intricate interplay between MFV-based model building, flavored dark matter scenarios, and precision flavor experiments, highlighting flavored dark matter as a framework that is both theoretically robust and experimentally testable. |
| title | Dark Matter emission at Belle II and NA62 in Minimal Flavor Violation framework |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2601.08907 |