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.
Han (on behalf of the Belle and Belle II Collaborations),Recent highlights from the Belle and Belle II experiments, Nucl
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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.