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Flavor phenomenology of light dark sectors

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arxiv 2503.17323 v1 pith:R5W2E34F submitted 2025-03-21 hep-ph

Flavor phenomenology of light dark sectors

classification hep-ph
keywords darkflavorlightcurrentreviewsectoraddressingarticle
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The dark sector offers a compelling theoretical framework for addressing the nature of dark matter while potentially solving other fundamental problems in physics. This review focuses on light dark flavored sector models, which are those where the flavor structure of the interactions with the standard model is non-trivial and distinguish among different fermion families. Such scenarios feature flavor violation leading to unique experimental signatures, such as flavor-changing neutral current decays of heavy hadrons (kaons, $D$ and $B$ mesons, baryons) and leptons (muons and taus) with missing energy carried away by light dark-sector particles. In this article, we review their motivation, summarize current constraints, highlight discovery opportunities in ongoing and future flavor experiments, and discuss implications for astrophysics and cosmology.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. A framework for missing-energy searches with anomalous light vectors

    hep-ph 2026-03 conditional novelty 6.0

    For light U(1)X vectors coupled to anomaly-sensitive currents, Wess-Zumino coefficients are fixed by anomaly matching, which lets all missing-energy searches (K, B, D, Z) be mapped onto one (m_X,g_X) plane with minima...

  2. Probing invisible particles with charm

    hep-ph 2025-12 unverdicted novelty 5.0

    Rare charm hadron decays offer clean null tests of the standard model that can reach branching ratios up to 10^{-3} for dark photons and 10^{-4} for ALPs in unconstrained parameter spaces.

  3. Flavor phenomenology of light dark particles

    hep-ph 2026-06 unverdicted novelty 2.0

    Review surveying limits and prospects for flavor-violating decays of light axion-like particles, highlighting complementarity of lab, astro, and cosmo probes up to 10^12 GeV scales.