Correlation Functions of Hadron Currents in the QCD Vacuum Calculated in Lattice QCD

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dc.creatorChu, M. -C.
dc.creatorGrandy, J. M.
dc.creatorHuang, S.
dc.creatorNegele, J. W.
dc.date1993-06-01
dc.date.accessioned2026-07-07T11:34:37Z
dc.date.available2026-07-07T11:34:37Z
dc.descriptionPoint-to-point vacuum correlation functions for spatially separated hadron currents are calculated in quenched lattice QCD on a $16^3\times 24$ lattice with $6/g^2=5.7$. The lattice data are analyzed in terms of dispersion relations, which enable us to extract physical information from small distances where asymptotic freedom is apparent to large distances where the hadronic resonances dominate. In the pseudoscalar, vector, and axial vector channels where experimental data or phenomenological information are available, semi-quantitative agreement is obtained. In the nucleon and delta channels, where no experimental data exist, our lattice data complement experiments. Comparison with approximations based on sum rules and interacting instantons are made, and technical details of the lattice calculation are described.
dc.description31 pages in REVTeX (with 10 figures to be added using figures command), MIT CTP #2148
dc.identifierhttps://arxiv.org/abs/hep-lat/9306002
dc.identifierhttp://arxiv.org/abs/hep-lat/9306002
dc.identifierPhys.Rev.D48:3340-3353,1993
dc.identifierdoi:10.1103/PhysRevD.48.3340
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/198312
dc.subjectHigh Energy Physics - Lattice
dc.titleCorrelation Functions of Hadron Currents in the QCD Vacuum Calculated in Lattice QCD
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