Solving the PCAC puzzle for nucleon axial and pseudoscalar form factors

URN to cite this document:: urn:nbn:de:bvb:355-epub-383556
DOI to cite this document:: 10.5283/epub.38355

Bali, G. S.

; Collins, S. ; Gruber, M. ; Schäfer, A. ; Wein, P. ; Wurm, T.

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Date of publication of this fulltext: 14 Feb 2019 12:27

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Abstract

It has been observed in multiple lattice determinations of isovector axial and pseudoscalar nucleon form factors, that, despite the fact that the partial conservation of the axialvector current is fulfilled on the level of correlation functions, the corresponding relation for form factors (sometimes called the generalized Goldberger-Treiman relation in the literature) is broken rather badly. In ...