A minimal ALP model with mass near the pi0, couplings to photons, top quarks, and a sterile neutrino explains the B to K inv excess via off-shell sterile neutrino pairs and B to pi K anomalies via pi0 mixing.
Adachiet al.(Belle-II), Measurement of CP Violation in B0→KS0π0 Decays at Belle II, Phys
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Axion-like particles solve the $B\to K\nu\bar\nu$ and $B\to \pi K$ puzzles
A minimal ALP model with mass near the pi0, couplings to photons, top quarks, and a sterile neutrino explains the B to K inv excess via off-shell sterile neutrino pairs and B to pi K anomalies via pi0 mixing.