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Pion distribution amplitude from Euclidean correlation functions

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Bali, Gunnar S. ; Braun, Vladimir M. ; Gläßle, Benjamin ; Göckeler, Meinulf ; Gruber, Michael ; Hutzler, Fabian ; Korcyl, Piotr ; Lang, Bernhard ; Schäfer, Andreas ; Wein, Philipp ; Zhang, Jian-Hui
Date of publication of this fulltext: 26 Mar 2018 09:43


Following the proposal in (Braun and Muller. Eur Phys J C55:349, 2008), we study the feasibility to calculate the pion distribution amplitude (DA) from suitably chosen Euclidean correlation functions at large momentum. In our lattice study we employ the novel momentum smearing technique (Bali et al. Phys Rev D93:094515, 2016; Bali et al. Phys Lett B774:91, 2017). This approach is complementary to ...


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