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Lattice calculation of the leading strange quark-connected contribution to the muon $g-2$

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http://arxiv.org/pdf/1602.01767v2
Original languageEnglish
JournalJournal of High Energy Physics
DOIs
StatePublished - 11 Apr 2016

Abstract

We present results for the leading hadronic contribution to the muon anomalous magnetic moment due to strange quark-connected vacuum polarisation effects. Simulations were performed using RBC--UKQCD's $N_f=2+1$ domain wall fermion ensembles with physical light sea quark masses at two lattice spacings. We consider a large number of analysis scenarios in order to obtain solid estimates for residual systematic effects. Our final result in the continuum limit is $a_\mu^{(2)\,{\rm had},\,s}=53.1(9)\left(^{+1}_{-3}\right)\times10^{-10}$.

Research areas

  • hep-lat, hep-ph

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