Polarization phenomena in the reaction NN to NNpi near threshold

Details Polarization phenomena in the reaction NN to NNpi near threshold Polarization phenomena in the reaction NN to NNpi near threshold

2000-02-09

arxiv.org/abs/nucl-th/0002025v1

Phys.Rev. C61 (2000) 064008

Physics

Nuclear Physics

Nuclear Theory

10 pages, 4 figures

Scientific paper

10.1103/PhysRevC.61.064008

First calculations for spin-dependent observables of the reactions $pp \to pp\pi^0$, $pp \to pn\pi^+$ and $pp \to d\pi^+$ near threshold are presented, employing the J\"ulich model for pion production. The influence of resonant (via the excitation of the $\Delta (1232)$) and non-resonant p-wave pion production mechanisms on these observables is examined. For the reactions $pp \to pn\pi^+$ and $pp \to d\pi^+$ nice agreement of our predictions with the presently available data on spin correlation coefficents is observed whereas for $pp \to pp\pi^0$ the description of the data is less satisfying.

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