Polarization phenomena for heavy meson production in NN-collisions near threshold

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Polarization phenomena are essential for the understanding of elementary processes, and are typically large in the threshold region. The selection rules with respect to P-parity, angular momentum, isotopic spin and the Pauli principle allow to parametrize in a model independent way, the spin structure of the matrix elements for the near-threshold heavy meson production in NN-collisions in terms of a small number of partial amplitudes. Such parametrization is very powerful for the analysis of polarization phenomena and possible $t-$exchange mechanisms.
5 pages, one figure Contribution to the Summer school and Workshop on COSY Physics, 30 August-4 September, Yuelich, Germany

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/81896

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/0209031
 http://arxiv.org/abs/nucl-th/0209031

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arXiv