类轴子轻粒子和伪标量介子衰变 M⃗M′νν¯

IF 2.4 3区物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY

Communications in Theoretical Physics Pub Date : 2024-07-16 DOI:10.1088/1572-9494/ad5277

Guo-Qiang Dai, Chong-Xing Yue, Yang-Yang Bu and Yi-Hang Wang

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引用次数: 0

摘要

类轴子粒子（ALP）是一种最有动机的新粒子。我们考虑了它从伪星介子衰变中产生的问题，其中M是伪星介子B或K。我们假定ALP是一个看不见的粒子，从而得到了保持味道的ALP-夸克耦合参数gu的上限。我们发现，0.05 GeV ≤ Ma ≤ 0.35 GeV衰变对gu的约束最严重，而和衰变也会产生重要的约束。

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Light axion-like particles and the pseudoscalar mesonic decays M⃗M′νν¯

The axion-like particle (ALP) is one kind of the best-motivated new particles. We consider its production from the pseudoscalar mesonic decays , with M being a pseudoscalar meson B or K. The upper limits on the flavor-conserving ALP–quark coupling parameter gu are obtained by assuming the ALP to be an invisible particle. We find that the most severe constraint on gu comes from the decay for 0.05 GeV ≤ Ma ≤ 0.35 GeV, while the decays and can also generate significant constraints.

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来源期刊

Communications in Theoretical Physics 物理-物理：综合

CiteScore

5.20

自引率

3.20%

发文量

6110

审稿时长

4.2 months

期刊介绍： Communications in Theoretical Physics is devoted to reporting important new developments in the area of theoretical physics. Papers cover the fields of: mathematical physics quantum physics and quantum information particle physics and quantum field theory nuclear physics gravitation theory, astrophysics and cosmology atomic, molecular, optics (AMO) and plasma physics, chemical physics statistical physics, soft matter and biophysics condensed matter theory others Certain new interdisciplinary subjects are also incorporated.