Scalar Quarkonium Masses and Mixing with the Lightest Scalar Glueball
W. Lee, D. Weingarten
TL;DR
This paper calculates the masses of scalar quarkonium states and their mixing with the scalar glueball, providing evidence that the $f_0(1710)$ is primarily a scalar glueball based on lattice QCD results.
Contribution
It offers the first continuum limit evaluation of scalar quarkonium masses and mixing energies in the quenched approximation, supporting the glueball interpretation of $f_0(1710)$.
Findings
Supports $f_0(1710)$ as mainly a scalar glueball
Provides continuum limit estimates of scalar meson and glueball mixing energies
Analyzes quark mass dependence of scalar states
Abstract
We evaluate the continuum limit of the valence (quenched) approximation to the mass of the lightest scalar quarkonium state, for a range of different quark masses, and to the mixing energy between these states and the lightest scalar glueball. Our results support the interpretation of as composed mainly of the lightest scalar glueball.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · Nuclear physics research studies