22–28 Jul 2010
Palais des Congrès de Paris
Europe/Paris timezone

Renormalization of the baryon axial vector current in large-N_c

Not scheduled
Palais des Congrès de Paris

Palais des Congrès de Paris

2 place de la Porte Maillot Paris 17
Poster 04 - Hadronic Structure, Parton Distributions, soft QCD, Spectroscopy

Speaker

Dr Maria de los Angeles Hernandez-Ruiz (San Luis Potosi Aut. University)

Description

The baryon axialvector current is computed at one-loop order in heavy baryon chiral perturbation theory in the large-N_c limit, where N_c is the number of colors. Loop graphs with octet and decuplet intermediate states cancel to various orders in N_c as a consequence of the large-N_c spin-flavor symmetry of QCD baryons. We present a preliminary study of the convergence of the chiral expansion with 1/N_c corrections in the case of g_A = N_c = 3.

Primary author

Dr Maria de los Angeles Hernandez-Ruiz (San Luis Potosi Aut. University)

Presentation materials