Study of the exotic three-body NDK¯ system

IF 5.3 2区物理与天体物理 Q1 Physics and Astronomy Physical Review D Pub Date : 2025-02-25 DOI:10.1103/physrevd.111.034039

Qing-Yu Zhai, Raquel Molina, Eulogio Oset, Li-Sheng Geng

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Abstract

We have studied the ND*K¯* system in the framework of the fixed center approximation to the Faddeev equations, taking the exotic D*K¯* system as the cluster and allowing the N to interact with the components of the cluster. Previous studies have determined the existence of three states of spin 0, 1, 2 for the D*K¯* system, the one of spin 0 associated to the X0(2900) state observed by the LHCb Collaboration. From this perspective, we find five states with total spin 1/2,3/2,5/2, with bindings from 10 to 30 MeV and widths below 60 MeV, which could be well identified. We also discuss the decay channels of these states that should help in future experimental searches for these states.

Published by the American Physical Society

2025

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外来三体ND*K¯*体系的研究

我们在Faddeev方程的固定中心近似框架下研究了ND*K¯*系统，将外来的D*K¯*系统作为簇，并允许N与簇的组成部分相互作用。先前的研究已经确定了D*K¯*体系存在三个自旋0、1、2的状态，其中一个自旋0与LHCb合作观察到的X0（2900）态有关。从这个角度来看，我们发现了总自旋为1/2、3/2、5/2的五种状态，束缚在10到30 MeV之间，宽度低于60 MeV，可以很好地识别。我们还讨论了这些状态的衰减通道，这将有助于未来对这些状态的实验搜索。2025年由美国物理学会出版

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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来源期刊

Physical Review D 物理-天文与天体物理

CiteScore

9.20

自引率

36.00%

发文量

审稿时长

2 months

期刊介绍： Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.