B重子和B介子衰变产生的五夸克粲：W. H. H 和 J. X. 部分受国家自然科学基金（12105247）和中国博士后科学基金（2021M702957）资助。Y.X.得到国家自然科学基金（12005294）的部分资助。

IF 3.6 2区物理与天体物理 Q1 PHYSICS, NUCLEAR

中国物理C Pub Date : 2024-05-01 DOI:10.1088/1674-1137/ad24d1

Wei-Hao Han, Ye Xing, Ji Xu

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引用次数: 0

摘要

在这里，我们研究了在味道对称条件下底重子和B-介子衰变产生的粲五夸克。各种过程的衰变振幅以不可还原的非微扰振幅为参数。推导出了衰变宽度之间的许多关系。此外，还考虑了五夸克的强衰变。我们的结果可以在 LHCb、Belle II 和 CEPC 的未来测量中得到检验。一旦测量到衰变分支分数，这项研究将有助于探索新的衰变通道和五夸克态。

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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Production of charmonium pentaquarks from b-baryon and B-meson decays: SU(3) analysis* * W. H. H and J. X. is supported in part by the National Natural Science Foundation of China (12105247), the China Postdoctoral Science Foundation (2021M702957). Y.X is supported in part by the National Natural Science Foundation of China (12005294)

Here, we study the production of charmonium pentaquarks

from bottom baryon and B-meson decays under the flavor

symmetry. Decay amplitudes for various processes are parameterized in terms of

irreducible nonperturbative amplitudes. Numerous relations between decay widths are deduced. Moreover, the strong decays of pentaquarks are considered. Our results can be tested in future measurements at LHCb, Belle II, and CEPC. Once decay branching fractions are measured, this study will be useful for the exploration of new decay channels and pentaquark states.

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来源期刊

中国物理C 物理-物理：核物理

CiteScore

6.50

自引率

8.30%

发文量

8976

审稿时长

1.3 months

期刊介绍： Chinese Physics C covers the latest developments and achievements in the theory, experiment and applications of: Particle physics; Nuclear physics; Particle and nuclear astrophysics; Cosmology; Accelerator physics. The journal publishes original research papers, letters and reviews. The Letters section covers short reports on the latest important scientific results, published as quickly as possible. Such breakthrough research articles are a high priority for publication. The Editorial Board is composed of about fifty distinguished physicists, who are responsible for the review of submitted papers and who ensure the scientific quality of the journal. The journal has been awarded the Chinese Academy of Sciences ‘Excellent Journal’ award multiple times, and is recognized as one of China''s top one hundred key scientific periodicals by the General Administration of News and Publications.