Heavy Baryon Spectroscopy in a Quark-Diquark Approach

被引：2

作者：

Torcato, Andre ^{[1
,2
]}

Arriaga, Ana ^{[1
,3
]}

Eichmann, Gernot ^{[4
]}

Pena, M. T. ^{[1
,5
,6
]}

机构：

[1] LIP Lisboa, Ave Prof Gama Pinto 2, P-1649003 Lisbon, Portugal

[2] Univ Lisbon, Inst Super Tecn, P-1049001 Lisbon, Portugal

[3] FCUL Lisboa, Campo Grande, P-1749016 Lisbon, Portugal

[4] Karl Franzens Univ Graz, Inst Phys, NAWI Graz, Univ Pl 5, A-8010 Graz, Austria

[5] Univ Lisbon, Dept Fis, Inst Super Tecn, P-1049001 Lisbon, Portugal

[6] Univ Lisbon, Dept Engn & Ciencias Nucl, Inst Super Tecn, P-1049001 Lisbon, Portugal

来源：

FEW-BODY SYSTEMS | 2023年 / 64卷 / 03期

关键词：

MESONS; LIGHT;

D O I：

10.1007/s00601-023-01826-9

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report progress on calculations of the heavy-light baryons S-c and ?(c) and their excitations with J(P) = 1/2(+) using functional methods. We employ a covariant quark-diquark approach, where the interaction amounts to a quark exchange between quarks and diquarks and the ingredients are determined from the quark level. A partial-wave analysis reveals the presence of orbital angular momentum components in terms of p waves, which are non-relativistically suppressed.

引用

页数：7

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