WIMPless Dark Matter and Meson Decays with Missing Energy

Abstract

WIMPless dark matter offers an attractive framework in which dark matter can be very light. We investigate the implications of such scenarios on invisible decays of bottomonium states for dark matter with a mass less than around $5\mathrm{GeV}$. We relate these decays to measurements of nucleon-dark matter elastic scattering. We also investigate the effect that a coupling to $s$ quarks has on flavor changing $b\to s$ processes involving missing energy.

11 pages, 6 figures, RevTeX; v2: published version

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• Search for the Rare Decay B->K nu nubar
• Rare meson decays into very light neutralinos
• Probing Invisible Vector Meson Decays with NA64 and LDMX
• ${\rm Y}$ Decays into Light Scalar Dark Matter
• WIMPless dark matter and the excess gamma rays from the Galactic center
• Pair production of dark particles in meson decays
• Complementary Constraints on Light Dark Matter from Heavy Quarkonium Decays
• Contributions to the Muon's Anomalous Magnetic Moment from a Hidden Sector
• WIMPless Dark Matter in Anomaly-Mediated Supersymmetry Breaking with Hidden QED
• FIMP Dark Matter Freeze-in Gauge Mediation and Hidden Sector
• WIMPless Dark Matter from an AMSB Hidden Sector with No New Mass Parameters
• Detection Prospects for Majorana Fermion WIMPless Dark Matter
• The study of light invisible particles in $B_c$ decays
• The implication of $J/\psi \to (\gamma +)\mathrm{invisible}$ for the effective field theories of neutrino and dark matter
• Constraints on Light Dark Matter from Single-Photon Decays of Heavy Quarkonium