Final state interaction in the reaction NN -> eta NN

A. Fix; H. Arenhoevel

Final state interaction in the reaction NN -> eta NN

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arxiv nucl-th/0310034 v1 pith:NAKBRHVQ submitted 2003-10-09 nucl-th

A. Fix , H. Arenhoevel This is my paper · ORCID

classification nucl-th

keywords calculatedexperimentalfinalinteractionstatethree-bodyanalyzedangular

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abstract

The production of $\eta$ mesons in $NN$ collisions in the near threshold region is analyzed with special emphasis on the role of final state interaction which is calculated using three-body scattering theory. The three-body aspects are shown to be very important in interpreting experimental results for the total cross section of $pp\to\eta pp$. Furthermore, energy spectra and angular distributions of the emitted particles are calculated and compared to experimental data.

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Exclusive $\eta$ production in proton-proton collisions at energies available at the GSI Facility for Antiproton and Ion Research
hep-ph 2025-01 conditional novelty 5.0 of 10

A phenomenological model with N(1535) dominance and rho-exchange excitation reproduces existing pp to pp eta data and predicts cross sections for HADES, PANDA, and SIS100.

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