Form factors of tetraquarks

TL;DR

This paper calculates the electromagnetic form factors of tetraquarks within a relativistic quark model, focusing on small to intermediate momentum transfers, and determines their charge radii, providing insights into their internal structure.

Contribution

It introduces a calculation of tetraquark form factors and charge radii using a relativistic quark model, which is a novel approach for these particles.

Findings

Charge radii of X(3872) and X(3940) tetraquarks are determined.

Form factors are calculated for Q^2 < 1 GeV^2.

Provides new data on the electromagnetic structure of tetraquarks.

Abstract

The electromagnetic form factors of tetraquarks are calculated in the framework of relativistic quark model at small and intermediate momentum transfers Q^2 < 1 GeV^2. The charge radii of X(3872) and X(3940) tetraquarks are determined.