Large-Nc sum rules for charmed baryons at subleading orders

被引：5

作者：

Heo, Yonggoo ^{[1
]}

Lutz, Matthias F. M. ^{[2
,3
]}

机构：

[1] Suranaree Univ Technol, Nakhon Ratchasima 30000, Thailand

[2] GSI Helmholtzzentrum Schwerionenforsch GmbH, Planck Str 1, D-64291 Darmstadt, Germany

[3] Tech Univ Darmstadt, D-64289 Darmstadt, Germany

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 09期

关键词：

CHIRAL PERTURBATION-THEORY; COUPLED-CHANNEL; HEAVY-QUARK; RESONANCES; SYMMETRY;

D O I：

10.1103/PhysRevD.97.094004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Sum rules for the low-energy constants of the chiral SU(3) Lagrangian with charmed baryons of spin J(p) = 1/2(+) and J(p) = 3/2(+) baryons are derived from large-N-c QCD. We consider the large-N-c operator expansion at subleading orders for current-current correlation functions in the charmed baryon-ground states for two scalar and two axial-vector currents.

引用

页数：10

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