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26 April 2024

» arxiv » 1305.0451

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Final-State Interactions in the Process pp -> pKLambda
M. Röder ; E. Borodina ; H. Clement ; E. Doroshkevich ; R. Dzhygadlo ; K. Ehrhardt ; A. Erhardt ; W. Eyrich ; W. Gast ; A. Gillitzer ; D. Grzonka ; J. Haidenbauer ; C. Hanhart ; F. Hauenstein ; P. Klaja ; L. Kober ; K. Kilian ; M. Krapp ; M. Mertens ; J. Ritman ; E. Roderburg ; W. Schroeder ; T. Sefzick ; A. Sibirtsev ; P. Wintz ; P. Wüstner ;
Date:	2 May 2013
Abstract:	The possibility to determine the pLambda scattering length from the final-state interaction in the reaction pp->pKLambda is investigated experimentally. From a transversely polarized measurement, the K analyzing power (A_N) which, in principle, allows one to extract the spin triplet scattering length is studied. An unexpected energy dependence of the forward/backward symmetric part of A_N is found. The influence of N*-resonances on the pLambda invariant mass spectrum is investigated by exploiting the large acceptance for the process pp->pKLambda->pKppi and is found to be the main source of uncertainty for determining the pLambda scattering length.
Source:	arXiv, 1305.0451
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