Belle-II excess in B to K/K* + missing energy is explained by dark matter fermion pair production via scalar or vector mediator, with discrimination possible through decay rate inspections.
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Analysis of $B\to KM_X$ and $B\to K^* M_X$ decays in scalar- and vector-mediator dark-matter scenarios
Belle-II excess in B to K/K* + missing energy is explained by dark matter fermion pair production via scalar or vector mediator, with discrimination possible through decay rate inspections.