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Published in 2022 at "Journal of High Energy Physics"
DOI: 10.1007/jhep01(2022)187
Abstract: We provide the renormalization constants of the axial current operators, both singlet and non-singlet, in dimensional regularization up to four-loop order in (QCD), determined using the off-shell Ward-Takahashi identity for an axial current with a…
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Keywords:
current operator;
four loop;
axial current;
regularization four ... See more keywords