QCD vs. the Centrifugal Barrier: a New QCD Effect *
University of Rochester, Rochester, NY
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Published online: 10 April 2014
We propose an extended schematic model for hadrons in which quarks and diquarks alike serve as building blocks. The outcome is a reclassification of the hadron spectrum in which there are no radially excited hadrons: all mesons and baryons previously believed to be radial excitations are orbitally excited states involving diquarks. Also, there are no exotic hadrons: all hadrons previously believed to be exotic are states involving diquarks and are an integral part of the model. We discuss the implications of this result for a new understanding of confinement and its relation to asymptotic freedom, as well as its implications for a novel relation between the size and energy of hadrons, whereby an orbitally excited hadron shrinks.
© Owned by the authors, published by EDP Sciences, 2014
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