Octet baryon isovector charges from Nf=2+1 lattice QCD

URN to cite this document:: urn:nbn:de:bvb:355-epub-554414
DOI to cite this document:: 10.5283/epub.55441

Bali, Gunnar S.

; Collins, Sara

; Heybrock, Simon ; Löffler, Marius

; Rödl, Rudolf H. ; Söldner, Wolfgang

; Weishäupl, Simon

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Date of publication of this fulltext: 08 Feb 2024 13:41

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Abstract

We determine the axial, scalar and tensor isovector charges of the nucleon, sigma and cascade baryons as well as the difference between the up and down quark masses, mu−md. We employ gauge ensembles with Nf=2+1 nonperturbatively improved Wilson fermions at six values of the lattice spacing in the range a≈(0.039–0.098) fm, generated by the coordinated lattice simulations (CLS) effort. The pion ...