Nonperturbative comparison of clover and highly improved staggered quarks in lattice QCD and the properties of the ϕ meson

URN to cite this document:: urn:nbn:de:bvb:355-epub-396901
DOI to cite this document:: 10.5283/epub.39690

Chakraborty, Bipasha ; Davies, C. T. H. ; Donald, G. C. ; Koponen, J.

; Lepage, G. P.

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Date of publication of this fulltext: 20 Mar 2019 13:13

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Abstract

We compare correlators for pseudoscalar and vector mesons made from valence strange quarks using the clover quark and highly improved staggered quark (HISQ) formalisms in full lattice QCD. We use fully nonperturbative methods to normalize vector and axial vector current operators made from HISQ quarks, clover quarks and from combining HISQ and clover fields. This allows us to test expectations ...