Four-nucleon contact interactions from holographic QCD

TL;DR

This paper derives four-nucleon contact interactions and their low energy constants using holographic QCD, providing a theoretical framework consistent with chiral effective Lagrangians.

Contribution

It introduces a holographic QCD approach to calculate low energy constants for four-nucleon interactions, including contributions from Kaluza-Klein resonances.

Findings

Two leading order low energy constants obtained

Seven next-to-leading order constants calculated

Values evaluated with first five Kaluza-Klein resonances

Abstract

We calculate the low energy constants of four-nucleon interactions in an effective chiral Lagrangian in holographic QCD. We start with a D4-D8 model to obtain meson-nucleon interactions and then integrate out massive mesons to obtain the four-nucleon interactions in 4D. We end up with two low energy constants at the leading order and seven of them at the next leading order, which is consistent with the effective chiral Lagrangian. The values of the low energy constants are evaluated with the first five Kaluza-Klein resonances.