Operator product expansion and quark condensate from LQCD in coordinate space

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dc.creatorGimenez, V.
dc.creatorLubicz, V.
dc.creatorMescia, F.
dc.creatorPorretti, V.
dc.creatorReyes, J.
dc.date2005-10-20
dc.date.accessioned2026-07-07T06:46:33Z
dc.date.available2026-07-07T06:46:33Z
dc.descriptionWe perform an exploratory study of the operator product expansion of the quark propagator on the lattice at short distance in coordinate space. This permits a simple determination of the quark condensate, <qq>^MS(2 GeV)=(-265\pm 5\pm 22 MeV)^3, and of the renormalization constant of the quark field, Z^MS(2 GeV)=0.871 \pm 0.003 \pm 0.020. This new method also provides a remarkable non-perturbative test of the OPE predictions at short distance in QCD.
dc.description6 pp. Talk given at the 23rd International Symposium on Lattice Field Theory: Lattice 2005, Trinity College, Dublin, Ireland, 25-30 July 2005
dc.identifierhttps://arxiv.org/abs/hep-lat/0510090
dc.identifierhttp://arxiv.org/abs/hep-lat/0510090
dc.identifierPoS LAT2005 (2005) 081
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103369
dc.subjectHigh Energy Physics - Lattice
dc.titleOperator product expansion and quark condensate from LQCD in coordinate space
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