Results on Charmonium and Charmonium-like States at the Belle Experiment
S\"oren Lange (II. Physikalisches Institut,, Justus-Liebig-Universit\"at Giessen) (for the Belle Collaboration)
TL;DR
This paper reports new experimental measurements of charmonium and charmonium-like states, including mass, width, and quantum numbers, based on data from the Belle experiment at KEKB.
Contribution
It provides novel measurements of the properties of $ ext{η}_c$, $ ext{η}_c'$, X(3872), and $ ext{χ}_{c2}$ in B meson decays, advancing understanding of these states.
Findings
Measured mass and width of η_c and η_c'
Determined properties of X(3872) including quantum numbers
Observed χ_c2 in B meson decays
Abstract
New results of the Belle experiment at the KEKB asymmetric e^+e^- collider are presented, in particular (a) measurement of the mass and width of the and in B meson decays, (b) measurement of the mass, width and quantum numbers of the X(3872) and (c) observation of the in meson decays.
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Advanced Chemical Physics Studies · Quantum, superfluid, helium dynamics