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$U$-spin conjugate $CP$ violation relations in bottom baryon decays

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arxiv 2503.21885 v2 pith:L3LTVWYP submitted 2025-03-27 hep-ph

classification hep-ph
keywords decaysspinviolationbaryonbottomchannelsconjugateratios
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

Motivated by the first observation of $CP$ violation in baryon decays, we study the relations for $CP$ asymmetries of bottom baryon decays. It is found that all the $CP$ violation ratios of two $U$-spin conjugate decay channels satisfy a simple equation in the $U$-spin limit. As examples, we present the $U$-spin conjugate channels in the four-body decays of bottom baryons. The $CP$ violation ratios between them might provide predictions for unobserved channels and be tested in future experiments.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. $CP$ asymmetries in the $\Lambda_c^+\to pK^0_S$ and $\Xi^+_c\to \Sigma^+K^0_S$ decays

    hep-ph 2025-09 conditional novelty 5.0 of 10

    The Xi_c+ to Sigma+ K0_S decay can show an interference-induced CP asymmetry up to about 10^-3, several times larger than in D meson decays.

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