Münster 2002 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 12: Poster Session: Electromagentic and Hadronic Probes

HK 12.10: Poster

Dienstag, 12. März 2002, 10:30–12:45, Foyer Chemie

First Analysis of COMPASS Data — •Martin von Hodenberg, A. Danasino, H. Fischer, J. Franz, A. Grünemeier, S. Hedicke, F.H. Heinsius, F. Karstens, W. Kastaun, K. Königsmann, J. Reymann, T. Schmidt, H. Schmitt, and J. Worch — Fakultät für Physik, Universität Freiburg

COMPASS is an experiment at the SPS at CERN, which is aiming at a better understanding of the spin structure of the nucleon, by performing a measurement of the gluon polarisation Δ G/G. In order to achieve this goal, polarised muons with an energy of 160 GeV are scattered from a polarised LiD-target and events are studied where the underlying process is the fusion of a virtual photon with a gluon of the nucleon. In the year 2001 COMPASS has taken its first data with an almost complete setup and the analysis is in full activity. The presentation will inform about the current status of the ongoing analysis.
This project is supported by BMBF.