非可逆对称性作为强CP问题的无轴解

IF 4.5 2区物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS

Physics Letters B Pub Date : 2025-07-03 DOI:10.1016/j.physletb.2025.139706

Qiuyue Liang , Tsutomu T. Yanagida

引用次数: 0

摘要

我们利用不可逆对称构造了下型夸克质量矩阵的三零织构，解决了QCD中具有三个夸克族的四维时空中不需要调用轴子的强CP问题。我们假设在基本高能尺度上CP不变性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Non-invertible symmetry as an axion-less solution to the strong CP problem

We use a non-invertible symmetry to construct a three-zero texture for the down-type quark mass matrix, which can resolve the strong CP problem without invoking the axion, in four-dimensional spacetime with three quark families in QCD. We assume CP invariance at the fundamental high-energy scale.

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来源期刊

Physics Letters B 物理-物理：综合

CiteScore

9.10

自引率

6.80%

发文量

647

审稿时长

3 months

期刊介绍： Physics Letters B ensures the rapid publication of important new results in particle physics, nuclear physics and cosmology. Specialized editors are responsible for contributions in experimental nuclear physics, theoretical nuclear physics, experimental high-energy physics, theoretical high-energy physics, and astrophysics.