Quarkonium: New Developments

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To illustrate the campaign to understand heavy quarkonium systems, the author focuses on a puzzling new state, X(3872) {yields} {pi}{sup +}{pi}{sup -} J/{psi}. Studying the influence of open-charm channels on charmonium properties leads us to propose a new charmonium spectroscopy: additional discrete charmonium levels that can be discovered as narrow resonances of charmed and anticharmed mesons. I recall some expectations for a new spectroscopy of mesons with beauty and charm, the B{sub c} (b{bar c}) system. Throughout, I call attention to open issues for theory and experiment.

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20 pages

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Quigg, Chris March 23, 2004.

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Description

To illustrate the campaign to understand heavy quarkonium systems, the author focuses on a puzzling new state, X(3872) {yields} {pi}{sup +}{pi}{sup -} J/{psi}. Studying the influence of open-charm channels on charmonium properties leads us to propose a new charmonium spectroscopy: additional discrete charmonium levels that can be discovered as narrow resonances of charmed and anticharmed mesons. I recall some expectations for a new spectroscopy of mesons with beauty and charm, the B{sub c} (b{bar c}) system. Throughout, I call attention to open issues for theory and experiment.

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20 pages

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  • XVIII Rencontres de Physique de la Valle d'Aoste, La Thuile, Aosta (IT), 02/29/2004--03/06/2004

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  • Report No.: FERMILAB-Conf-04/033-T
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 822217
  • Archival Resource Key: ark:/67531/metadc786452

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • March 23, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • Aug. 5, 2016, 3:17 p.m.

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Quigg, Chris. Quarkonium: New Developments, article, March 23, 2004; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc786452/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.