Spectroscopy and new particles
Tadeusz Lesiak (for the Belle Collaboration)
TL;DR
This paper reviews recent discoveries of three new particles by the Belle collaboration and reports negative search results for a pentaquark, contributing to understanding exotic hadrons.
Contribution
It provides a concise overview of new particle properties and negative search results, updating the field on recent experimental findings.
Findings
Properties of X(3872), Y(3940), Z(3931) summarized
Negative results for pentaquark $ heta(1540)^+$ reported
Enhances knowledge of exotic hadron states
Abstract
The properties of three new particles X(3872), Y(3940) and Z(3931), recently dicovered by the Belle collaboration, are briefly reviewed. Negative results of the search for the pentaquark are also presented
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