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.
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收藏
页数：10
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