On the pion distribution amplitude. Derivation, properties, predictions
We provide an in-depth analysis of the \(\pi\) distribution amplitude in terms of two different Gegenbauer representations. Detailed predictions for the \(\pi-\gamma\) transition form factor are presented, obtained with light-cone sum rules. Various \(\pi\) distribution amplitudes are tested and the...
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| creator | Stefanis, N G Mikhailov, S V Pimikov, A V |
| description | We provide an in-depth analysis of the \(\pi\) distribution amplitude in terms of two different Gegenbauer representations. Detailed predictions for the \(\pi-\gamma\) transition form factor are presented, obtained with light-cone sum rules. Various \(\pi\) 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. |
| doi_str_mv | 10.48550/arxiv.1411.0528 |
| format | Article |
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| source | Freely Accessible Journals; arXiv.org |
| subjects | Amplitudes Factor analysis Form factors Physics - High Energy Physics - Phenomenology Sum rules |
| title | On the pion distribution amplitude. Derivation, properties, predictions |
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