A comparison of np -> d eta and np -> np eta production rates

• It is shown that in the impulse approximation the ratio of the near-threshold np --> {np}(I=0) eta to np --> d eta production rates depends weakly upon the form of the production operator and can be estimated using low-energy neutron-proton dynamics. The

Keyword

CROSS-SECTION; PP->PP-ETA REACTION; THRESHOLD; PARAMETRIZATION; IDENTIFICATION

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