A Unified Dark Matter Explanation for ${\mathbf{B}}^{+}\to {\mathbf{K}}^{+}\mathbf{\nu }\bar{\mathbf{\nu }}$ and the Super-Kamiokande Antineutrino Excess

Shu-Yu Ho, Jongkuk Kim, Pyungwon Ko

Recent results from Super-Kamiokande and Belle II have revealed intriguing excesses over Standard Model expectations. Super-Kamiokande observes a mild excess of ${\bar{\nu }}_e^{}$-like e…