$XYZ$ particles at Belle
Shen Cheng-Ping (for the Belle Collaboration)
TL;DR
This paper reviews recent experimental progress at Belle in studying exotic $XYZ$ particles, focusing on states with charmonium and light mesons, including X(3872), X(3915), Y(4140), X(4350), and charged Z states.
Contribution
It provides a comprehensive overview of the latest Belle results on $XYZ$ particles with charmonium and light mesons, highlighting new experimental findings.
Findings
Observation of new decay modes of $XYZ$ states
Measurement of mass and width of $Y(4140)$
Evidence for charged $Z$ states
Abstract
In this paper, I review recent progress in the study of the particles at Belle. I only focus on studies with charmonium and one or more light mesons in the final states. This covers the X(3872), X(3915), Y(4140), X(4350), and the charged Z states.
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