a1-meson-baryon coupling constants in the framework of soft-wall and hard-wall AdS/QCD models-Reference-Cited by-同舟云学术

a1-meson-baryon coupling constants in the framework of soft-wall and hard-wall AdS/QCD models

Published:2019-12-20 Issue:35 Volume:34 Page:1950240
ISSN:0217-751X
Container-title:International Journal of Modern Physics A
language:en
Short-container-title:Int. J. Mod. Phys. A

Author:

Huseynova Narmin¹,Mamedov Shahin¹²³^ORCID

Affiliation:

1. Institute for Physical Problems, Baku State University, Z. Khalilov 23, Baku, AZ-1148, Azerbaijan

2. Theoretical Physics Department, Physics Faculty, Baku State University, Z. Khalilov 23, Baku, AZ-1148, Azerbaijan

3. Institute of Physics, Azerbaijan National Academy of Sciences, H. Cavid Ave. 33, Baku, AZ-1143, Azerbaijan

Abstract

We calculate the [Formula: see text]-meson-nucleon ([Formula: see text]-baryon) coupling constant in the framework of soft-wall and hard-wall AdS/QCD models. Interaction Lagrangian in the bulk of AdS space was written for a minimal gauge coupling, a magnetic type coupling and a triple coupling of bulk fields. Applying AdS/CFT correspondence from the bulk interaction Lagrangian, we obtain holographic expressions for the [Formula: see text]-axial-vector meson-nucleon ([Formula: see text]-baryon) coupling constant in the boundary QCD theory. Numerical results for the [Formula: see text] coupling constant in the framework of both models are close to the known phenomenological estimates. The [Formula: see text]-axial-vector meson-[Formula: see text]-baryon coupling constant was considered in the framework of hard-wall model.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217751X19502403

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