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Updated: Sep 18, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Large CP violation in charmed baryon decays
1State Key Laboratory of Dark Matter Physics, Tsung-Dao Lee Institute and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China; Key Laboratory for Particle Astrophysics and Cosmology (MOE) and Shanghai Key Laboratory for Particle Physics and Cosmology, Tsung-Dao Lee Institute and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
None:
This work presents the first detailed numerical predictions of CP violation in antitriplet charmed baryon decays. Adopting the flavor SU(3)F symmetry and the final state re-scattering framework, we relate the CKM-suppressed amplitudes to the leading ones, which are proportional to λb and λd, respectively, with λq=VuqVcq∗. Larger-than-expected CP violations are found, reaching the order of 10-3, similar in magnitude to those in D0→π+π-,K+K-. This opens a promising avenue for observing CP violation in charmed baryon decays and testing the Standard Model.
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