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

By T. Blum, P. Boyle, Luigi Del Debbio, R. Hudspith, T. Izubuchi, A. Jüttner, C. Lehner, Randy Lewis, K. Maltman, M. Marinković and 2 more. Journal of High Energy Physics, 2016

335 citations recorded by the source corpus.

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 Nf = 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 aμ(2)had,s = 53.1(9)(− 3+ 1) × 10− 10.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/92902ddd35c02b630ef78af411dc6bf6258f881b

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1. G. Ecker
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4. C. Sachrajda

Citations in the corpus

• K →ππ Δ I=3/2 decay amplitude in the continuum limit (2015, neutral): “As explained in [3] we believe that this cancellation is a significant component in explaining the ∆ I = 1 / 2 rule.”
• Up, down, strange and charm quark masses with Nf=2+1+1 twisted mass lattice QCD (2014, neutral): “nμ = ([0, 2] , [0, 2] , [0, 2] , [0, 3]) ([2, 5] , [2, 5] , [2, 5] , [4, 9]) , for β = 1.”
• Mesonic Low-Energy Constants (2014, background): “The case with Nf = 2 + 1 has many more contributors, RBC/UKQCD [75], MILC [76], NPLQCD [77] and BMW [78].”
• Domain wall QCD with physical quark masses (2014, methodology): “For the ChPT and ChPTFV ansätze we use heavymeson χPT [34,35] to describe quantities with valence strange quarks.”