Study of the production mechanism of the eta meson by means of analysing power measurements

R. Czyzykiewicz , P. Moskal , H.-H. Adam , A. Budzanowski , E. Czerwinski , D. Gil , D. Grzonka , M. Janusz

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L. Jarczyk B. Kamys A. Khoukaz P. Klaja B. Lorentz J. Majewski W. Oelert C. Piskor-Ignatowicz J. Przerwa J. Ritman H. Rohdjess T. Rozek T. Sefzick M. Siemaszko J. Smyrski A. Taeschner K. Ulbrich P. Winter M. Wolke P. Wuestner W. Zipper

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keywords analysingmesonmechanismpowerpredictionsproductioncollisionsconfronting

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Information about the production mechanism of the eta meson in proton-proton collisions can be inferred by confronting the experimental studies on the analysing power for the p(pol)p --> pp eta reaction with the theoretical predictions of this observable. Results show that the predictions of pure pseudoscalar- or vector meson exchange model are insufficient to describe the analysing powers.

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Study of the production mechanism of the eta meson by means of analysing power measurements

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