An introduction to the quark model
An introduction to the quark model
An introduction to the quark model
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Few-charge systems His<strong>to</strong>ry of <strong>the</strong> <strong>quark</strong> <strong>model</strong> Mesons Baryons Multi<strong>quark</strong>s and o<strong>the</strong>r exotics Outlook<br />
Light and heavy hybrids<br />
A candidate with J PC = 1 −+ at BNL (Chung)<br />
Perhaps one of X, Y , Z ?<br />
Many <strong>the</strong>oretical developments (Close, Barnes, Kuti et al.)<br />
Flux tube <strong>model</strong> (string vibration)<br />
Predicts decay <strong>to</strong> excited mesons in a first step<br />
One argument in <strong>the</strong> 80s: (c¯c) is clean, so any extra state should<br />
be clearly visible<br />
We realise now that <strong>the</strong> situation is also complicated in this<br />
sec<strong>to</strong>r.<br />
JMR Quark Model
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