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Addendum to: Light-cone distribution amplitudes of pseudoscalar mesons from lattice QCD

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DOI to cite this document:
Bali, Gunnar S. ; Braun, Vladimir M. ; Bürger, Simon ; Göckeler, Meinulf ; Gruber, Michael ; Hutzler, Fabian ; Korcyl, Piotr ; Schäfer, Andreas ; Sternbeck, André ; Wein, Philipp
License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 01 Apr 2021 13:23


We update our lattice determination of the two lowest Gegenbauer moments
of the leading-twist pion and kaon light-cone distribution amplitudes [1] using the recently
calculated three-loop matching factors for the conversion from the RI0/SMOM to the MS
scheme [2, 3]. We find a�2 = 0.116+19
−20 for the pion, aK1
= 0.0525+31
−33 and aK2
= 0.106+15
−16 for
the kaon. Updated plots can be found in the appendix in the arXiv submission.

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