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Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/44293
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dc.contributor.authorLasscock, B.-
dc.contributor.authorHedditch, J.-
dc.contributor.authorKamleh, W.-
dc.contributor.authorLeinweber, D.-
dc.contributor.authorMelnitchouk, W.-
dc.contributor.authorWilliams, A.-
dc.contributor.authorZanotti, J.-
dc.date.issued2007-
dc.identifier.citationPhysical Review D: Particles, Fields, Gravitation and Cosmology, 2007; 76(5):054510-01-054510-08-
dc.identifier.issn1550-7998-
dc.identifier.issn0556-2821-
dc.identifier.urihttp://hdl.handle.net/2440/44293-
dc.description.abstractWe study the spectrum of the even parity excitations of the nucleon in quenched lattice QCD. We extend our earlier analysis by including an expanded basis of nucleon interpolating fields, increasing the physical size of the lattice, including more configurations to enhance statistics and probing closer to the chiral limit. With a review of world lattice data, we conclude that there is little evidence of the Roper resonance in quenched lattice QCD.-
dc.description.statementofresponsibilityB. G. Lasscock, J. N. Hedditch, W. Kamleh, D. B. Leinweber, W. Melnitchouk, A. G. Williams, and J. M. Zanotti-
dc.language.isoen-
dc.publisherAmerican Physical Soc-
dc.rights©2007 American Physical Society-
dc.source.urihttp://dx.doi.org/10.1103/physrevd.76.054510-
dc.subjectHigh Energy Physics - Lattice (hep-lat)-
dc.titleEven parity excitations of the nucleon in lattice QCD-
dc.typeJournal article-
dc.identifier.doi10.1103/PhysRevD.76.054510-
pubs.publication-statusPublished-
dc.identifier.orcidKamleh, W. [0000-0002-6177-5366]-
dc.identifier.orcidLeinweber, D. [0000-0002-4745-6027]-
dc.identifier.orcidWilliams, A. [0000-0002-1472-1592]-
dc.identifier.orcidZanotti, J. [0000-0002-3936-1597]-
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Chemistry and Physics publications

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