Nucleon axial structure from lattice QCD

URN to cite this document:: urn:nbn:de:bvb:355-epub-454527
DOI to cite this document:: 10.5283/epub.45452

Bali, Gunnar S.

; Barca, Lorenzo ; Collins, Sara ; Gruber, Michael ; Löffler, Marius ; Schäfer, Andreas ; Söldner, Wolfgang ; Wein, Philipp ; Weishäupl, Simon ; Wurm, Thomas

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Date of publication of this fulltext: 01 Apr 2021 14:26

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Abstract

We present a new analysis method that allows one to understand and model excited state contributions in observables that are dominated by a pion pole. We apply this method to extract axial and (induced) pseudoscalar nucleon isovector form factors, which satisfy the constraints due to the partial conservation of the axial current up to expected discretization effects. Effective field theory ...