Determination of N* amplitudes from associated strangeness production in p+p collisions

R. M\"unzer , L. Fabbietti , E. Epple , P. Klose , F. Hauenstein , N. Herrmann , D. Grzonka , Y. Leifels

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M. Maggiora D. Pleiner B. Ramstein J. Ritman E. Roderburg P. Salabura A.Sarantsev Z. Basrak P. Buehler M. Cargnelli R. Caplar H.Clement O. Czerwiakowa I. Deppner M. Dzelalija W. Eyrich Z. Fodor P. Gasik I.Gasparic A. Gillitzer Y. Grishkin O.N. Hartmann K.D. Hildenbrand B. Hong T.I. Kang J. Kecskemeti Y.J. Kim M. Kirejczyk M. Kis P. Koczon R. Kotte A. Lebedev A. Le Fevre J.L. Liu V. Manko J. Marton T. Matulewicz K. Piasecki F. Rami A. Reischl M.S. Ryu P. Schmidt Z. Seres B. Sikora K.S. Sim K. Siwek-Wilczynska V. Smolyankin K. Suzuki Z. Tyminski P. Wagner I. Weber E. Widmann K. Wisniewski Z.G. Xiao T. Yamasaki I. Yushmanov P. Wintz Y. Zhang A. Zhilin V. Zinyuk J. Zmeskal

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keywords amplitudesdeterminationproductionamplitudeanalysisassociatedcollaborationscollisions

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We present the first determination of the energy-dependent production amplitudes of N$^{*}$ resonances with masses between 1650 MeV/c$^{2}$ and 1900 MeV/c$^{2}$ for an excess energy between $0$ and $600$ MeV. A combined Partial Wave Analysis of seven exclusively reconstructed data samples for the reaction p+p $\rightarrow pK\Lambda$ measured by the COSY-TOF, DISTO, FOPI and HADES collaborations in fixed target experiments at kinetic energies between 2.14 and 3.5 GeV is used to determine the amplitude of the resonant and non-resonant contributions.

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Determination of N* amplitudes from associated strangeness production in p+p collisions

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