Köln 2004 – wissenschaftliches Programm
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HK: Physik der Hadronen und Kerne
HK 17: Electromagnetic and Hadronic Probes II
HK 17.4: Vortrag
Dienstag, 9. März 2004, 16:45–17:00, B
Measurement of the gluon polarisation using high-pT hadron pairs — •Sonja Hedicke, H. Fischer, J. Franz, F.H. Heinsius, M. von Hodenberg, D. Kang, K. Königsmann, I. Ludwig, D. Matthiä, J. Metzger, C. Schill, D. Setter, S. Trippel, and E. Weise — Physikalisches Institut, Universität Freiburg
The COMPASS experiment at CERN is studying the nucleon spin structure in polarised deep inelastic muon scattering. COMPASS is using a polarised 160 GeV muon beam on a polarised 6LiD target. The main goal of the COMPASS spin physics programme is the measurement of the gluon polarisation Δ G/G.
The gluon polarisation is accessible via the photon-gluon-fusion process, in which hadron pairs with large transverse momenta are produced. The talk presents the method and status of the analysis of high-pT hadron pairs in the COMPASS experiment.
The project is supported by the BMBF.