Large-N_c sum rules for charmed baryons at subleading orders

TL;DR

This paper derives sum rules for low-energy constants in the chiral SU(3) Lagrangian involving charmed baryons using large-N_c QCD, including subleading order considerations.

Contribution

It introduces new sum rules for charmed baryon interactions at subleading large-N_c orders, advancing theoretical understanding.

Findings

Sum rules for low-energy constants are established.

Large-N_c operator expansion is applied at subleading orders.

Results improve theoretical constraints on charmed baryon interactions.

Abstract

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.