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High Energy Physics - Phenomenology

arXiv:hep-ph/0507206 (hep-ph)
[Submitted on 18 Jul 2005 (v1), last revised 6 Jan 2006 (this version, v3)]

Title:Why the OZI rule is so strongly violated in J/Psi decays?

Authors:L. Ya. Glozman
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Abstract: The new $f_0(1790)$ meson recently observed by BES collaboration in $J/\Psi$-decay, is seen only in the OZI-forbidden channel. It is shown that chiral symmetry restoration in excited hadrons implies a new selection rule of dynamical origin that forbids some of the OZI-favoured mechanisms of decays. Hence decays into channels that are suppressed by OZI can become dominant.
Comments: 5 pages, 5 figures. The paper has been expanded. A new figure as well as implications of chiral symmetry for the search of missing a_0 mesons in charmonium decays have been added. To appear in Phys. Rev. D
Subjects: High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Experiment (hep-ex); High Energy Physics - Lattice (hep-lat); Nuclear Experiment (nucl-ex); Nuclear Theory (nucl-th)
Cite as: arXiv:hep-ph/0507206
  (or arXiv:hep-ph/0507206v3 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0507206
Journal reference: Phys.Rev.D73:017503,2006
Related DOI: https://doi.org/10.1103/PhysRevD.73.017503

Submission history

From: Leonid Glozman [view email]
[v1] Mon, 18 Jul 2005 08:39:03 UTC (12 KB)
[v2] Fri, 16 Sep 2005 16:54:13 UTC (13 KB)
[v3] Fri, 6 Jan 2006 10:51:48 UTC (20 KB)
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