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Stefanis, N. G.; Mikhailov, S. V.; Pimikov, A. V.
Few-body systems, 09/2015, Letnik: 56, Številka: 6-9Journal Article
We provide an in-depth analysis of the π distribution amplitude in terms of two different Gegenbauer representations. Detailed predictions for the π - γ transition form factor are presented, obtained with light-cone sum rules. Various π distribution amplitudes are tested and the crucial role of their endpoint behavior in the form-factor analysis is discussed. Comparison with the data is given.
