γZ box corrections to weak charges of heavy nuclei in atomic parity violation

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dc.contributor.authorBlunden, P.
dc.contributor.authorMelnitchouk, W.
dc.contributor.authorThomas, A.
dc.date.issued2012
dc.description.abstractWe present a new dispersive formulation of the γZ box radiative corrections to weak charges of bound protons and neutrons in atomic parity violation measurements on heavy nuclei such as ¹³³Cs and ²¹³Ra. We evaluate for the first time a small but important additional correction arising from Pauli blocking of nucleons in a heavy nucleus. Overall, we find a significant shift in the γZ correction to the weak charge of ¹³³Cs, approximately 4 times larger than the current uncertainty on the value of sin²θ[sub]W, but with a reduced error compared to earlier estimates.
dc.description.statementofresponsibilityP. G. Blunden, W. Melnitchouk, and A. W. Thomas
dc.identifier.citationPhysical Review Letters, 2012; 109(26):1-5
dc.identifier.doi10.1103/PhysRevLett.109.262301
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.orcidThomas, A. [0000-0003-0026-499X]
dc.identifier.urihttp://hdl.handle.net/2440/76218
dc.language.isoen
dc.publisherAmerican Physical Soc
dc.rights© 2012 American Physical Society
dc.source.urihttps://doi.org/10.1103/physrevlett.109.262301
dc.titleγZ box corrections to weak charges of heavy nuclei in atomic parity violation
dc.title.alternativeGammaZ box corrections to weak charges of heavy nuclei in atomic parity violation
dc.typeJournal article
pubs.publication-statusPublished

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