# Chiral constraints on the isoscalar electromagnetic spectral functions of the nucleon from leading order vector meson couplings

## TL;DR

This paper employs baryon chiral perturbation theory with vector mesons to analyze the isoscalar electromagnetic spectral functions of the nucleon, focusing on continuum contributions from leading order couplings.

## Contribution

It introduces a detailed analysis of isoscalar spectral functions using chiral perturbation theory including vector mesons, highlighting the role of leading order couplings.

## Key findings

- Quantitative insights into the spectral functions
- Identification of dominant continuum contributions
- Refinement of nucleon electromagnetic structure models

## Abstract

Using baryon chiral perturbation theory including vector mesons, we analyse various continuum contributions to the isoscalar electromagnetic spectral functions of the nucleon induced by the leading order couplings.