Theπ π πNÑ-five-point function |
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Authors: | H G Dosch V F Müller |
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Institution: | 1. Institut für Theoretische Physik der Universit?t Heidelberg and Kernforschungszentrum Karlsruhe, Deutschland
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Abstract: | Choosing a suitable covariant decomposition of theπ π πNÑ-five-point function the crossing relations are derived and a complete reduction of them is given. The implications of the known factorization properties at the one-particle singularities of the invariant functions on their assumed Regge behaviour is investigated and a set of asymptotic relations between them is found. A mass degenerate parity doublet of the nucleon can remove the relations connected with the nucleon poles. |
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