TL;DR
This paper reviews recent progress in calculating charmonium properties using lattice QCD, including excited states, higher-spin states, and decay processes, highlighting advancements at Jefferson Lab.
Contribution
It presents new lattice QCD results on excited charmonium states, radiative transitions, and two-photon decays, expanding understanding of charmonium spectroscopy.
Findings
Calculation of excited and higher-spin charmonium states.
Results on radiative transition rates.
Insights into two-photon decay processes.
Abstract
Charmonium is an attractive system for the application of lattice QCD methods. While the sub-threshold spectrum has been considered in some detail in previous works, it is only very recently that excited and higher-spin states and further properties such as radiative transitions and two-photon decays have come to be calculated. I report on this recent progress with reference to work done at Jefferson Lab.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research · Cold Atom Physics and Bose-Einstein Condensates