Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/68696
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dc.contributor.authorCloet, I.en
dc.contributor.authorBentz, W.en
dc.contributor.authorThomas, A.en
dc.date.issued2009en
dc.identifier.citationPhysical Review Letters, 2009; 102(25):252301-1-252301-4en
dc.identifier.issn0031-9007en
dc.identifier.issn1079-7114en
dc.identifier.urihttp://hdl.handle.net/2440/68696-
dc.description.abstractA neutron or proton excess in nuclei leads to an isovector-vector mean field which, through its coupling to the quarks in a bound nucleon, implies a shift in the quark distributions with respect to the Bjorken scaling variable. We show that this result leads to an additional correction to the NuTeV measurement of sin2ϕW. The sign of this correction is largely model independent and acts to reduce their result. Explicit calculation in nuclear matter within a covariant and confining Nambu–Jona-Lasinio model predicts that this vector field correction may account for a substantial fraction of the NuTeV anomaly. We are therefore led to offer a new interpretation of the NuTeV measurement, namely, that it provides further evidence for the medium modification of the bound nucleon wave function.en
dc.description.statementofresponsibilityI. C. Cloët, W. Bentz and A. W. Thomasen
dc.language.isoenen
dc.publisherAmerican Physical Socen
dc.rights©2009 American Physical Societyen
dc.titleIsovector EMC effect and the NuTeV anomalyen
dc.typeJournal articleen
dc.identifier.rmid0020112932en
dc.identifier.doi10.1103/PhysRevLett.102.252301en
dc.identifier.pubid27640-
pubs.library.collectionChemistry and Physics publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidThomas, A. [0000-0003-0026-499X]en
Appears in Collections:Chemistry and Physics publications

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