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

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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


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 ...


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