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High Energy Physics - Phenomenology

arXiv:hep-ph/0504056 (hep-ph)
[Submitted on 7 Apr 2005 (v1), last revised 12 May 2005 (this version, v3)]

Title:Structure of light and heavy pentaquarks

Authors:Fl. Stancu
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Abstract: Light and heavy pentaquarks are described within a constituent quark model based on a spin-flavor hyperfine interaction. In this model the lowest state acquires positive parity. The masses of the light antidecuplet members are calculated dynamically using a variational method. It is shown that the octet and antidecuplet states with the same quantum numbers mix ideally due to SU(3)$_F$ breaking. Masses of the charmed antisextet pentaquarks are predicted within the same model.
Comments: 6 pages, 2 figures, Plenary talk at the 10th International Symposium on Meson-Nucleon Physics and the Structure of the Nucleon (MENU04), Beijing, August 29 - September 4, 2004, reference added
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0504056
  (or arXiv:hep-ph/0504056v3 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0504056
Journal reference: Int.J.Mod.Phys. A20 (2005) 1797-1802
Related DOI: https://doi.org/10.1142/S0217751X05023359

Submission history

From: Fl. Stancu [view email]
[v1] Thu, 7 Apr 2005 16:46:33 UTC (63 KB)
[v2] Wed, 13 Apr 2005 11:29:43 UTC (63 KB)
[v3] Thu, 12 May 2005 13:35:19 UTC (63 KB)
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