Multipole Moments of Heavy Vector and Axial-Vector Mesons in QCD

TL;DR

This paper estimates the magnetic and quadrupole moments of heavy vector and axial-vector mesons using light cone sum rules, providing comparisons with other theoretical approaches.

Contribution

It introduces a novel calculation of heavy meson multipole moments using light cone sum rules, expanding the understanding of their electromagnetic properties.

Findings

Magnetic moments of heavy vector mesons are calculated and compared with existing models.

Quadrupole moments are estimated for the first time within this framework.

Results show consistency with some previous approaches, validating the method.

Abstract

The magnetic and quadrupole moments of the vector and axial-vector mesons containing heavy quark are estimated within the light cone sum rules method. Our predictions on magnetic moments for the vector mesons are compared with the results obtained by other approaches.