Second moment of the pion's distribution amplitude

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dc.creatorGöckeler, M.
dc.creatorHorsley, R.
dc.creatorPleiter, D.
dc.creatorRakow, P. E. L.
dc.creatorSchäfer, A.
dc.creatorSchierholz, G.
dc.creatorSchroers, W.
dc.creatorZanotti, J. M.
dc.date2005-10-19
dc.date.accessioned2026-07-07T11:43:22Z
dc.date.available2026-07-07T11:43:22Z
dc.descriptionWe present preliminary results from the QCDSF/UKQCD collaborations for the second moment of the pion's distribution amplitude with two flavours of dynamical fermions. We use nonperturbatively determined renormalisation coefficients to convert our results to the MSbar scheme at 5 GeV^2. Employing a linear chiral extrapolation from our large pion masses >550 MeV, we find <xi^2>=0.281(28), leading to a value of a_2=0.236(82) for the second Gegenbauer moment.
dc.description6 pages, 5 figures, 1 table. To appear in: Procs. of the Workshop on Light-Cone QCD and Nonperturbative Hadron Physics 2005 (LC 2005), Cairns, Australia, 2005
dc.identifierhttps://arxiv.org/abs/hep-lat/0510089
dc.identifierhttp://arxiv.org/abs/hep-lat/0510089
dc.identifierNucl.Phys.Proc.Suppl.161:69-74,2006
dc.identifierdoi:10.1016/j.nuclphysbps.2006.08.064
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/201215
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.titleSecond moment of the pion's distribution amplitude
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