Resonances in the quark model

TL;DR

This paper discusses how constituent quark models estimate the energy levels and widths of resonances, especially focusing on tetraquark states with heavy quarks, providing insights into their properties.

Contribution

It offers a detailed analysis of resonance estimates in constituent models, emphasizing heavy-quark tetraquark states, which is a novel focus in the field.

Findings

Resonance energies are estimated with specific models.

Widths of tetraquark states are analyzed.

Heavy-quark tetraquark states show distinctive resonance features.

Abstract

A discussion is presented of the estimates of the energy and width of resonances in constituent models, with focus on the tetraquark states containing heavy quarks.