Recent studies of Charmonium Decays at CLEO

TL;DR

This paper reviews recent experimental results on Charmonium decays, including measurements of various decay modes, observations of new states, and precise mass and branching ratio determinations at CLEO.

Contribution

It provides a comprehensive overview of recent experimental findings on Charmonium decays and new state observations at CLEO, highlighting advances in measurements and discoveries.

Findings

Observation of Y(4260) through ππJ/ψ transitions

Precise mass measurements of D^0 and η

Branching ratio measurements of η decays

Abstract

Recent results on Charmonium decays are reviewed which includes two-, three- and four-body decays of $\chi_{cJ}$ states, observations of Y(4260) through $\pi\pi J/\psi$ transitions, precise measurements of $M(D^0)$, $M(\eta)$ as well as $\mathcal{B}(\eta\to X)$.