Hybrid potentials versus gluelumps

Details Hybrid potentials versus gluelumps Hybrid potentials versus gluelumps

2007-03-02

arxiv.org/abs/hep-ph/0703022v1

AIPConf.Proc.892:79-85,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 2 figures, Invited Plenary talk at the Conference ``Quark Confinement and the Hadron SpectrumVII''. 2-7th Sept. 2006.

Scientific paper

10.1063/1.2714350

A potential model description of heavy quarkonium can be rigorously deduced from QCD under some circumstances. The potentials can be unambiguously related with Wilson loops with gluonic insertions, the spectral decomposition of which is a function of the spectrum and matrix elements solution of the static limit of NRQCD. This spectrum is nothing but the static singlet potential and the hybrid potentials (which correspond to the gluonic excitations). We will quantitatively show that the latter unambiguously relate to the gluelumps at short distances using effective field theories.

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