An ultralight scalar temporarily lowers a dark fermion mass via muon thermal density, opening efficient B meson dark decays for baryon asymmetry generation that later shuts off to match flavor data.
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In a benchmark model with a baryon portal, resonant enhancement is required to efficiently sequester baryon number via bottom-quark decays, allowing the mesogenesis scenario to be fully tested or ruled out with 2-3 orders of magnitude better branching-ratio measurements.
A twist-6 light-cone QCD sum-rule calculation of B_d → Λ + dark antibaryon excludes dark masses around 2.8–3.6 GeV and leaves a surviving window at 4.108–4.164 GeV near the kinematic endpoint.
citing papers explorer
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Mesogenesis through the Ephemeral Dark Decay of Beauty
An ultralight scalar temporarily lowers a dark fermion mass via muon thermal density, opening efficient B meson dark decays for baryon asymmetry generation that later shuts off to match flavor data.
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Resonant Enhancement for the transfer of baryon number from a CP-violating hidden sector
In a benchmark model with a baryon portal, resonant enhancement is required to efficiently sequester baryon number via bottom-quark decays, allowing the mesogenesis scenario to be fully tested or ruled out with 2-3 orders of magnitude better branching-ratio measurements.
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Constraints on the mass of the dark antibaryon using $B_d\rightarrow \Lambda \psi_{DS}$ channel in light cone QCD
A twist-6 light-cone QCD sum-rule calculation of B_d → Λ + dark antibaryon excludes dark masses around 2.8–3.6 GeV and leaves a surviving window at 4.108–4.164 GeV near the kinematic endpoint.