Dynamics of the near threshold eta meson production in proton-proton interaction

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

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M. Janusz L. Jarczyk B. Kamys A. Khoukaz K. Kilian P. Klaja B. Lorentz W. Oelert C. Piskor-Ignatowicz J. Przerwa B. Rejdych J. Ritman T. Sefzick M. Siemaszko M. Silarski J. Smyrski A. Taschner K. Ulbrich P. Winter M. Wolke P. Wustner M. J. Zielinski W. Zipper

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classification ⚛️ nucl-ex

keywords mesonanalysingenergiesexcesspowerresultsconsistentdetermined

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We present the results of measurements of the analysing power for the p(pol)p --> pp eta reaction at the excess energies of Q=10 and 36 MeV, and interpret these results within the framework of the meson exchange models. The determined values of the analysing power at both excess energies are consistent with zero implying that the eta meson is produced predominantly in s-wave.

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Dynamics of the near threshold eta meson production in proton-proton interaction

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