QCD sum rule analysis of the pentaquark
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QCD sum rule analysis of the pentaquark

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QCD sum rule analysis of the pentaquark

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dc.contributor.author Lee, Hee-Jung
dc.contributor.author Kochelev, Nikolai
dc.contributor.author Vento Torres, Vicente
dc.date.accessioned 2015-05-12T11:43:31Z
dc.date.available 2015-05-12T11:43:31Z
dc.date.issued 2006
dc.identifier.uri http://hdl.handle.net/10550/43736
dc.description.abstract We perform a QCD sum rule calculation to determine the mass and the parity of the lowest lying pentaquark state. We include operators up to dimension d=13 in the OPE and the direct instanton contributions. We find evidence for a positive parity state. The contribution from operators of dimension d>5 is instrumental in determining the parity of the state and achieving the convergence of the sum rule.
dc.language.iso eng
dc.relation.ispartof Physical Review D, 2006, vol. 73, num. 1, p. 014010-1-014010-7
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Lee, Hee-Jung Kochelev, Nikolai Vento Torres, Vicente 2006 QCD sum rule analysis of the pentaquark Physical Review D 73 1 014010-1 014010-7
dc.subject Física
dc.title QCD sum rule analysis of the pentaquark
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-05-12T11:43:32Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevD.73.014010
dc.identifier.idgrec 035069

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