Comment on the Dispersion Relations used to Calculate Δρ

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dc.contributor.authorTakeuchi, Tatsuen
dc.contributor.authorGrant, Aaron K.en
dc.contributor.authorWorah. Mihiren
dc.contributor.departmentPhysicsen
dc.date.accessioned2016-10-18T23:48:39Zen
dc.date.available2016-10-18T23:48:39Zen
dc.date.issued1995-06-01en
dc.description.abstractWe use the operator product expansion (OPE) to show that nonperturbative QCD corrections to Δρ can be calculated using unsubtracted dispersion relations for either the transverse or the longitudinal vacuum polarization functions. Recent calculations of the nonperturbative contribution to Δρ based on a non-relativistic calculation of corrections to the t¯t threshold are inconsistent with this result.en
dc.description.versionPublished versionen
dc.format.extent6457 - 6462 (6) page(s)en
dc.identifier.doihttps://doi.org/10.1103/PhysRevD.51.6457en
dc.identifier.issn0556-2821en
dc.identifier.issue11en
dc.identifier.urihttp://hdl.handle.net/10919/73264en
dc.identifier.volume51en
dc.languageEnglishen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:A1995RB21000047&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=930d57c9ac61a043676db62af60056c1en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectAstronomy & Astrophysicsen
dc.subjectPhysics, Particles & Fieldsen
dc.subjectPhysicsen
dc.subjectVACUUM-POLARIZATION FUNCTIONSen
dc.subjectQCDen
dc.subjectTHRESHOLDen
dc.subjectBOSONSen
dc.subjectWIDTHen
dc.titleComment on the Dispersion Relations used to Calculate Δρen
dc.title.serialPhysical Review Den
dc.typeArticle - Refereeden
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Scienceen
pubs.organisational-group/Virginia Tech/Science/COS T&R Facultyen
pubs.organisational-group/Virginia Tech/Science/Physicsen

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