Charged $B$ Mesogenesis
Fatemeh Elahi, Gilly Elor, Robert McGehee

TL;DR
This paper proposes a novel mechanism called Charged B Mesogenesis, using CP violation in charged B meson decays to explain the universe's baryon asymmetry and dark matter, with testable predictions at colliders.
Contribution
It introduces two new scenarios of B meson decay-based baryogenesis, connecting CP violation in charged B mesons to dark matter and baryon asymmetry generation.
Findings
B_c^+ Mesogenesis is being actively tested at Belle and LHCb.
B^+ Mesogenesis offers collider testability and sterile neutrino search prospects.
The proposed mechanisms can generate the observed baryon asymmetry at around 10 MeV temperatures.
Abstract
We leverage the CP violation in charged meson decays to generate the observed baryon asymmetry and dark matter at temperatures. We realize this in two scenarios: Mesogenesis and Mesogenesis. In the first, CP violating decays to mesons are followed by decays to dark and Standard Model baryons. In the second, CP violating decays to lighter charged mesons are accompanied by the latter's decays to dark and Standard Model leptons, which then scatter into the baryon asymmetry. Mesogenesis is actively being probed at Belle and LHCb, while Mesogenesis can be tested at colliders and sterile neutrino searches.
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