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dc.contributor.authorAnikin, I. V.
dc.contributor.authorDorokhov, A. E.
dc.contributor.authorMaximov, A. E.
dc.contributor.authorTomio, L. [UNESP]
dc.date.accessioned2014-05-27T11:19:59Z
dc.date.available2014-05-27T11:19:59Z
dc.date.issued2000-12-01
dc.identifierhttp://dx.doi.org/10.1134/1.855657
dc.identifier.citationPhysics of Atomic Nuclei, v. 63, n. 3, p. 489-498, 2000.
dc.identifier.issn1063-7788
dc.identifier.urihttp://hdl.handle.net/11449/66354
dc.description.abstractNonperturbative functions that parametrize off-diagonal hadronic matrix elements of the light-cone leading-twist quark operators are considered. These functions are calculated within the proposed relativistic quark model allowing for the nontrivial structure of the QCD vacuum, special attention being given to gauge invariance. Hadrons are treated as bound states of quarks; strong-interaction quark-pion vertices are described by effective interaction Lagrangians generated by instantons. The parameters of the instanton vacuum, such as the effective radius of the instanton and the quark mass, are related to the vacuum expectation values of the quark-gluon operators of the lowest dimension and to low-energy pion observables. © 2000 MAIK Nauka/Interperiodica.en
dc.format.extent489-498
dc.language.isoeng
dc.relation.ispartofPhysics of Atomic Nuclei
dc.sourceScopus
dc.titleOff-Diagonal Quark Distributions in Pions in the Effective Single-Instanton Approximationen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dc.contributor.institutionJoint Institute for Nuclear Research
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.description.affiliationJoint Institute for Nuclear Research, Dubna, Moscow oblast 141980
dc.description.affiliationInstituto de Física Teórica UNESP, Rua Pamplona 145, Brazil, BR-01405-900 São Paulo
dc.description.affiliationUnespInstituto de Física Teórica UNESP, Rua Pamplona 145, Brazil, BR-01405-900 São Paulo
dc.identifier.doi10.1134/1.855657
dc.rights.accessRightsAcesso restrito
dc.identifier.scopus2-s2.0-0034411730
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt
dc.relation.ispartofjcr0.524
dc.relation.ispartofsjr0,327
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