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hep-ph2025★ 1 cited
Sweeping the pion chimney for axion-like particles with KOTO
Reuven Balkin, Stefania Gori, Dean J. Robinson +1
We demonstrate that novel limits on prompt axion-like particles (ALPs) in the hard-to-probe mass range near the neutral pion - the so-called pion chimney - may be obtained from rec…
hep-ph2025
Probing CP and flavor violation in neutral kaon decays with ALPs
Reuven Balkin, Stefania Gori, Christiane Scherb
We analyze the three-body decays of the long-lived neutral kaon , where is an axion-like particle (ALP), and compare them to the two-body decay . Wh…
hep-ph2025
Topological Freeze-out by Semi-Annihilation
Joe Davighi, Serah Moldovsky, Hitoshi Murayama +2
We point out that a QCD-like dark sector can be coupled to the Standard Model by gauging the topological Skyrme current, which measures the dark baryon number in the infrared, to g…