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Pion-Photon TDAs in the NJL Model
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Pion-Photon TDAs in the NJL Model
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hep-ph
keywords
modelpion-photontdasamplitudesbethe-salpeterboundconditionsdistribution
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The pion-photon Transition Distribution Amplitudes (TDAs) are studied, treating the pion as a bound state in the sense of Bethe-Salpeter, in the formalism of the NJL model. The results obtained explicitly verify support, sum rules and polynomiality conditions. The role of PCAC is highlighted.
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