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Matching lattice and continuum axial-vector and vector currents with nonrelativistic QCD and highly improved staggered quarks

Monahan, Christopher
; 
Shigemitsu, Junko
; 
Horgan, Ron
Abstract
We match the continuum and lattice axial-vector and vector currents at one loop in perturbation theory. For the heavy quarks we use the nonrelativistic QCD (NRQCD) action and for the light quarks the highly improved staggered quark (HISQ) action. We present results for both massless and massive HISQ quarks and as part of the matching procedure we include a discussion of the one loop HISQ renormalization parameters. DOI: 10.1103/PhysRevD.87.034017
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2013-01-01
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Physics
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Matching lattice and continuum axial-vector and vector currents with nonrelativistic QCD and highly improved staggered quarks
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Physics
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https://doi.org/10.1103/PhysRevD.87.034017
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https://scholarworks.wm.edu/handle/internal/836
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