TL;DR
This paper reports new measurements of charmonium states using CLEO-c data, including the first observation of hc(1P1) and various decay widths, advancing understanding of charmonium properties.
Contribution
It provides the first observation of the hc(1P1) state and measures key decay widths of charmonium states using CLEO-c data, filling gaps in experimental data.
Findings
First observation of hc(1P1) state.
Measured electronic widths of J/Psi and Psi(2S).
Determined two-photon width of Chi_c2 and hadronic decays of Psi(2S).
Abstract
Results are presented on Charmonium using data collected with the CLEO III and CLEO-c detectors at the Psi(2S) and Psi(3770). Measurements include, the first observation of the hc(1P1) state, the electronic widths of the J/Psi and Psi(2S), the two photon width of the Chic2 and hadronic decays of the Psi(2S).
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research