2025/11/13 by Benedetta Belfatto, Monika Blanke, Belfatto, Benedetta +10 · 1 citation
Computer Science · Physics and Astronomy · #Collider #Computational Physics and Python Applications #Dark Matter and Cosmic Phenomena #Dark matter #Large Hadron Collider #Lepton #MAJORANA #Mixing (physics) #Observable #Particle physics theoretical and experimental studies #Physics beyond the Standard Model #Scalar (mathematics) #Weakly interacting massive particles
paper · pdf · doi:10.1140/epjc/s10052-026-15960-1
published in The European Physical Journal C 86(7) (Springer Science+Business Media)
openalex created_date 2025/11/15 · openalex publication_date 2026/07/13 · openalex updated_date 2026/08/05
Abstract We present a comprehensive framework for the study of flavored dark matter models, combining relic density calculations with direct and indirect detection limits, collider constraints, and a global analysis of flavor observables based on SMEFT matching and renormalization-group evolution. The framework applies to scalar or fermionic dark matter, including both self-conjugate and non-self-conjugate cases. As a proof of principle, we analyze two scenarios with Majorana dark matter coupling to right-handed charged leptons and to right-handed down-type quarks, assuming a thermal freeze-out. In the leptophilic case, flavor-violating decays such as μ → e γ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>μ</mml:mi> <mml:mo>→</mml:mo> <mml:mi>e</mml:mi> <mml:mi>γ</mml:mi> </mml:mrow> </mml:math> dominate the constraints, while LHC searches still leave sizable parameter space. For quark couplings, direct detection bounds and meson mixing severely restrict the allowed couplings, favoring hierarchical flavor structures. The toolchain presented in this paper is publicly available on GitHub "Image missing" .