CP violation in the CKM mixing for degenerate quark masses

Fuente: arXiv
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Autor principal: Zhang, Ying
Formato: Preprint
Publicado: 2024
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author Zhang, Ying
author_facet Zhang, Ying
contents CP violation in the CKM mixing is discussed for the case of quark mass degeneracy that is approximate in the quark mass hierarchy limit. Differing from the traditional understanding of CP vanishing for degenerate masses, we find degenerate symmetry plays a non-trivial role in CP violation. The minimal flavor structure model is reviewed to demonstrate the role of degenerate symmetry in quark flavor mixing, particularly in CP violation. This relation between mass hierarchy and CP violation helps us understand the origin of CP violation and assists the construction of the flavor model.
format Preprint
id arxiv_https___arxiv_org_abs_2404_18358
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle CP violation in the CKM mixing for degenerate quark masses
Zhang, Ying
High Energy Physics - Phenomenology
CP violation in the CKM mixing is discussed for the case of quark mass degeneracy that is approximate in the quark mass hierarchy limit. Differing from the traditional understanding of CP vanishing for degenerate masses, we find degenerate symmetry plays a non-trivial role in CP violation. The minimal flavor structure model is reviewed to demonstrate the role of degenerate symmetry in quark flavor mixing, particularly in CP violation. This relation between mass hierarchy and CP violation helps us understand the origin of CP violation and assists the construction of the flavor model.
title CP violation in the CKM mixing for degenerate quark masses
topic High Energy Physics - Phenomenology
url https://arxiv.org/abs/2404.18358