Searching for light Dark Matter in heavy meson decays
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Beauty and charm e+e- factories running at resonance thresholds have unique capabilities for studies of the production of light Dark Matter particles in the decays of B_q (D) meson pairs. We provide a comprehensive study of light Dark Matter production in heavy meson decays with missing energy in the final state, such as B_q (D^0) -> "missing energy" and B_q (D^0) -> \gamma + "missing energy". We argue that such transitions can be studied at the current flavor factories (and future super-flavor factories) by tagging the missing-energy decays with B_q (D^0) decays "on the other side".
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Cited by 1 Pith paper
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Prospects of searches for invisible $B$-meson decays at FCC-ee
With 6×10^{12} Z bosons at FCC-ee, invisible B-meson branching fractions above 7.6×10^{-9} could be excluded at 90% CL using rectangular cuts and a multiclass BDT on simulated signal and background.
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