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Münster 2011 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 59: Hadronenstruktur und -spektroskopie X

HK 59.8: Talk

Thursday, March 24, 2011, 18:30–18:45, HS3

Status of ppnK+Σ+ studies at COSY-TOF — •Paweł Klaja — Universität Erlangen-Nürnberg — Forschungszentrum Jülich

The COSY-TOF detector setup was recently upgraded with a new tracking system. A high statistics measurement with this setup in August 2010 was dedicated to hyperon production with a polarized proton beam of 2.95 GeV/c momentum. The main goal of this measurement was to measure the spin triplet pΛ scattering length, the spin transfer coefficient of the pppK+Λ reaction and the investigation of N* resonances.
In addition the ppnK+Σ+ reaction can be studied at an excess energy of Q = 128.7 MeV.
Detector setup calibrations and an overview of acceptance studies as well as the current status of the data analysis in view of ppnK+Σ+ reaction identification will be presented.

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