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Bonn 2010 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 25: Hadronenstruktur und -spektroskopie V

HK 25.7: Talk

Tuesday, March 16, 2010, 18:00–18:15, HG III

Comparison of Monte Carlo simulations with first results from the upgraded COSY-TOF detector. — •Roman Dzhygadlo1, Albrecht Gillitzer2, Eduard Roderburg2, Peter Wintz2, Werner Gast2, Matthias Röder2, Pawel Klaja3, and James Ritman21Universität Bonn — 2Forschungszentrum Jülich — 3Universität Erlangen-Nürnberg

The upgrade of the COSY-TOF experiment with the Straw Tube Tracker and the Silicon Quirl Telescope improves both mass resolution and reconstruction efficiency significantly. Due to its large acceptance and azimuthal symmetry the COSY-TOF detector is an excellent instrument to study complete Dalitz plot distributions of 3-body final states with strangeness. Experimental data from the first physics run with the upgraded detector are being analyzed. For better understanding of the detector response and optimization of the analysis algorithms MC simulations were done. Simulated events were transported through the detector using Geant-3. After digitization the detector response was reproduced. All studies were done within the TOF MC package. Results of the MC simulation will be shown in comparison to the first experimental results.

Supported in part by Forschungszentrum Jülich.

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