Charmonium spectroscopy at BABAR
Arafat Gabareen Mokhtar
TL;DR
This paper reviews the observation of several charmonium-like states produced at BABAR, highlighting their inconsistency with traditional models and discussing alternative hypotheses for their nature.
Contribution
It provides a comprehensive review of new charmonium-like states observed at BABAR and discusses their implications for understanding quarkonium spectroscopy.
Findings
Observation of Y(4260), Y(4350), X(3872), Y(3940) states
These states do not fit conventional charmonium models
Discussion of alternative hypotheses for these states
Abstract
The charmonium-like states, Y(4260), Y(4350), produced via initial state radiation, as well as the X(3872), and Y(3940), produced in B meson decays from the BABAR B-factory are reviewed. These mesons do not seem consistent with conventional charmonium models, and several alternate hypotheses have been proposed to explain these new discoveries.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · High-Energy Particle Collisions Research