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| Description | Speaker: Reuven Balkin (UC Santa Cruz) Title: Basis-independent ALP Phenomenology with and without Weak interactions Room: 3024 Host: Hsin-Chia Cheng Abstract: Rare neutral kaon decays provide a sensitive probe of the flavor and CP structure of axion-like particle (ALP) couplings. I will present the first calculation of the weak-interaction contribution to three-body neutral kaon decay rates and compare these with two-body decays for representative benchmarks. For heavier ALPs, I will then introduce a basis-independent framework that unifies quark and gluon couplings and enables data-driven predictions of decay rates across the transition from the hadronic to the perturbative QCD regime. |
| Date | Mon, February 23, 2026 |
| Time | 12:30pm-2:00pm PST |
| Duration | 1 hour 30 minutes |
| Access | Public |
| Created by | High-Energy Seminars |
| Updated | Tue, February 17, 2026 12:28pm PST |
