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High Energy Physics - Phenomenology

arXiv:hep-ph/0506219 (hep-ph)
[Submitted on 22 Jun 2005 (v1), last revised 27 Jun 2005 (this version, v2)]

Title:Excited D_s (and Pentaquarks) in Chiral Perturbation Theory

Authors:Thomas Mehen (Duke U. & Jefferson Lab)
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Abstract: I present results of a heavy hadron chiral perturbation theory analysis of the decays and masses of the recently discovered excited charm mesons. The present data on the electromagnetic branching ratios are consistent with heavy quark symmetry predictions and disfavor a molecular interpretation of these states. I also discuss model independent predictions for the strong decays of pentaquarks in the 10-bar representation of SU(3) which can be used to constrain the angular momentum and parity quantum numbers of these states.
Comments: 9 pages, 2 .ps figures, Presented at Cracow Epiphany Conference on Hadron Spectroscopy, 6-8 January 2005, Cracow, Poland, reference added
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0506219
  (or arXiv:hep-ph/0506219v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0506219
Journal reference: Acta Phys.Polon.B36:2341-2350,2005

Submission history

From: Thomas Mehen [view email]
[v1] Wed, 22 Jun 2005 18:29:07 UTC (50 KB)
[v2] Mon, 27 Jun 2005 14:26:43 UTC (13 KB)
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