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High Energy Physics - Phenomenology

arXiv:hep-ph/0511014 (hep-ph)
[Submitted on 2 Nov 2005 (v1), last revised 3 Nov 2005 (this version, v2)]

Title:The ~U(12)-Classification Scheme, Static U(4)-Spin Symmetry for Light-Quarks and "Exotic" Hadrons

Authors:Shin Ishida
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Abstract: Several years ago we have proposed a manifestly covariant $\tilde{U}(12)_{SF}$-classification scheme of hadrons, which maintains the successful $SU(6)_{SF}\otimes O(3)_{L}$ framework in Non-Relativistic Quark Model and is also reconcilable with the mechanism of Spontaneously-Broken Chiral Symmetry in Relativistic Field Theoretical Models. The essential point here is to notice the overlooked freedom of the $SU(2)_{\rho}$-spin for (confined) light quarks, which leads to existence of new type of ``exotic'' hadrons, called ``chiralons'' and to a selection rule, $\rho_{3}$-line rule, on the spectator quark line. A series of puzzling new hadrons recently observed such as X(3872)-meson family and $\Theta (1540)$ and so on are possibly classified mostly as chiralons.
Comments: Nov 2005. 5pp. To appear in the proceedings of the 11th International Conference on Hadron Spectroscopy (Hadron05), Rio de Janeiro, Brazil, 21-26 Aug 2005
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0511014
  (or arXiv:hep-ph/0511014v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0511014
Related DOI: https://doi.org/10.1063/1.2176532

Submission history

From: Tomohito Maeda [view email]
[v1] Wed, 2 Nov 2005 07:14:16 UTC (88 KB)
[v2] Thu, 3 Nov 2005 16:39:54 UTC (88 KB)
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