Some aspects of large- Nc heavy baryon chiral perturbation theory

30th Annual Meeting of the Division of Particles and Fields (DPyC) of the Mexican Physical Society

Flores-Mendieta, Rubén^1

Instituto de Fisica, Universidad Autónoma de San Luis Potosi, San Luis Potosi, SLP, Mexico^1

关键词: 1/nc expansions;    Axial vector;    Chiral perturbation theory;    Form factors;    One-loop corrections;    Semileptonic decay;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/761/1/012085/pdf
DOI  :  10.1088/1742-6596/761/1/012085

来源: IOP

【 摘 要 】

Large-Ncchiral perturbation theory is a calculational scheme for baryons that simultaneously exhibits both the mqand 1/Ncexpansions, where Ncis the number of colors of quarks. In this work an outline of the calculation of one-loop corrections to the leading baryon axial-vector and vector form factors in baryon semileptonic decays to order O(p2) in the chiral expansion is provided in order to show how the expansion works.