Possibility of $\Sigma_{c}(2800)$ and $\Lambda_{c}(2940)^{+}$ as $S$-wave $D^{(*)}N$ molecular states

TL;DR

This paper investigates whether the particles $\Sigma_{c}(2800)$ and $\Lambda_{c}(2940)^{+}$ can be understood as $S$-wave $D^{(*)}N$ molecular states using QCD sum rules, offering insights into their possible molecular nature.

Contribution

The study applies QCD sum rules to explore the molecular state hypothesis for $\Sigma_{c}(2800)$ and $\Lambda_{c}(2940)^{+}$, providing a theoretical perspective on their structure.

Findings

Supports the molecular state interpretation for $\Sigma_{c}(2800)$ and $\Lambda_{c}(2940)^{+}$

Provides QCD sum rule calculations consistent with experimental data

Suggests these particles could be $S$-wave $D^{(*)}N$ molecular states

Abstract

In this talk, we give a brief review of our work studying the possibility of $\Sigma_{c}(2800)$ and $\Lambda_{c}(2940)^{+}$ as $S$-wave $D^{(*)}N$ molecular states from QCD sum rules.