Systematic analysis of single heavy baryons ?Q, σQ and ωQ

被引：22

作者：

Yu, Guo-Liang ^{[1
]}

Li, Zhen-Yu ^{[2
]}

Wang, Zhi-Gang ^{[1
]}

Jie, Lu ^{[1
]}

Meng, Yan ^{[1
]}

机构：

[1] North China Elect Power Univ, Dept Math & Phys, Baoding 071003, Peoples R China

[2] Guizhou Educ Univ, Sch Phys & Elect Sci, Guiyang 550018, Peoples R China

来源：

NUCLEAR PHYSICS B | 2023年 / 990卷

关键词：

RELATIVIZED QUARK-MODEL; STATE MASS-SPECTRA; EXCITED-STATE; REGGE TRAJECTORIES; CHARMED BARYONS; BOUND-STATES; QCD; XI(C); TRANSITIONS; PRINCIPLE;

D O I：

10.1016/j.nuclphysb.2023.116183

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Motivated by great progresses in experiments in searching for the heavy baryons, we systematically analyze the mass spectra and root mean square radius of single heavy baryons AQ, EQ and QQ. The calculations of the mass spectra are carried out in the frame work of relativized quark model, where the baryon is regarded as a three-body system of quarks. Our results show that the mass of single heavy baryon with & lambda;-mode is lower than those of the p-mode and & lambda;-p mixing mode, which indicates that the lowest state is dominated by the & lambda;-mode. Basing on this research, we systematically calculate the mass spectra and the root mean square radius of the baryons with & lambda; excited mode. With these predicated mass spectra, the Regge trajectories in the (J, M2) plane are constructed, and the slopes, intercepts of the Regge trajectories are obtained by linear fitting. It is found that all available experimental data are well reproduced by model predictions and fit nicely to the constructed Regge trajectories.& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

引用

页数：39

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