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High Energy Physics - Phenomenology

arXiv:hep-ph/0511039 (hep-ph)
[Submitted on 4 Nov 2005 (v1), last revised 1 Mar 2006 (this version, v2)]

Title:A chromomagnetic mechanism for the X(3872) resonance

Authors:H. Hogaasen, J.M. Richard (LPSC), P. Sorba (LAPTH)
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Abstract: The chromomagnetic interaction, with proper account for flavour-symmetry breaking, is shown to explain the mass and coupling properties of the X(3872) resonance as a $J^{PC}$ = 1$^{++}$ state consisting of a heavy quark-antiquark pair and a light one. It is crucial to introduce all the spin-colour configurations compatible with these quantum numbers and diagonalise the chromomagnetic interaction in this basis. This approach thus differs from the molecular picture $D\bar {D}*$ and from the diquark-antidiquark picture.
Comments: 4 pages - revtex4 - Typos corrected, refs. added, to be published in Phys. Rev. D
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:hep-ph/0511039
  (or arXiv:hep-ph/0511039v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/0511039
Journal reference: Phys.Rev.D73:054013,2006
Related DOI: https://doi.org/10.1103/PhysRevD.73.054013

Submission history

From: Jean-Marc Richard [view email] [via CCSD proxy]
[v1] Fri, 4 Nov 2005 08:46:22 UTC (10 KB)
[v2] Wed, 1 Mar 2006 12:31:09 UTC (11 KB)
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