Possible Molecular Pentaquark States with Different Spin and Quark Configurations

TL;DR

This paper explores potential molecular pentaquark states with different spins and quark configurations using QCD sum rules, providing spectroscopic parameters crucial for experimental identification and interaction studies.

Contribution

It introduces a systematic analysis of pentaquark candidates with charm quarks, calculating their masses and residues for various spin and parity states using QCD sum rules.

Findings

Identified possible pentaquark states with charm quarks.

Calculated their masses and residues for different spins and parities.

Provided spectroscopic parameters for experimental searches.

Abstract

We investigate three possible pentaquark candidates, one of which contains a single charm quark and the other two contain triple charm quarks in their substructure. To this end we apply QCD sum rule method and take into account both the positive and negative parity states corresponding to each possible pentaquark channel having spin $3/2$ or $1/2$. Insisting on the importance of identification of the members of pentaquark family we obtain their spectroscopic parameters such as masses and residues. These parameters are the main inputs in the searches for their electromagnetic, strong and weak interactions.