Third-order Coulomb corrections to the S-wave Green function, energy levels and wave functions at the origin

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dc.creatorBeneke, M.
dc.creatorKiyo, Y.
dc.creatorSchuller, K.
dc.date2005-01-31
dc.date2007-05-30
dc.date.accessioned2026-07-07T10:29:24Z
dc.date.available2026-07-07T10:29:24Z
dc.descriptionWe obtain analytic expressions for the third-order corrections due to the strong interaction Coulomb potential to the S-wave Green function, energy levels and wave functions at the origin for arbitrary principal quantum number n. Together with the known non-Coulomb correction this results in the complete spectrum of S-states up to order alpha_s^5. The numerical impact of these corrections on the Upsilon spectrum and the top quark pair production cross section near threshold is estimated.
dc.description24 pages, LaTeX, v2: eq.(30) corrected (-13/8->-15/8)
dc.identifierhttps://arxiv.org/abs/hep-ph/0501289
dc.identifierhttp://arxiv.org/abs/hep-ph/0501289
dc.identifierNucl.Phys.B714:67-90,2005
dc.identifierdoi:10.1016/j.nuclphysb.2005.02.028
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177787
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThird-order Coulomb corrections to the S-wave Green function, energy levels and wave functions at the origin
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