Investigation of the mass spectra of singly heavy baryons ΣQ, Ξ Q, and ΩQ(Q = c, b) in the Regge trajectory model

被引：5

作者：

Pan, Ji-Hai ^{[1
]}

Pan, Jisi ^{[2
]}

机构：

[1] Liuzhou Inst Technol, Coll Math & Phys, Liuzhou 545000, Peoples R China

[2] Guangxi Sci & Technol Normal Univ, Sch Mech & Elect Engn, Laibin 546199, Peoples R China

来源：

PHYSICAL REVIEW D | 2024年 / 109卷 / 07期

关键词：

QUARK-MODEL; CHARM;

D O I：

10.1103/PhysRevD.109.076010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Very recently, LHCb Collaboration observed that two new Omega 0c states decay into Xi & thorn;c K- with masses of determined. In this paper, we exploit the quark-diquark model, the linear Regge trajectory and the perturbation treatment method to analyze the mass spectra of the discovered experimental data for the singly heavy baryons Sigma c/Sigma b, Xi 0c/Xi 0b, and Omega c/Omega b. In addition, we further predict the mass spectra of several unobserved Sigma c/Sigma b, Xi 0c/Xi 0b, and Omega c/Omega b baryons. In the case of the Omega c & eth;3185 & THORN;0 and Omega c & eth;3327 & THORN;0 states, we determine Omega c & eth;3185 & THORN;0 as 2S state and Omega c & eth;3327 & THORN;0 as 1D state with JP 1/4 1/2 & thorn; and JP 1/4 3/2 & thorn;, respectively. An overall good agreement of the obtained predictions with available experimental data are found.

引用

页数：26

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