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Status of the COMPASS experiment at CERN

✍ Scribed by Barbara Badełek

Book ID
111626833
Publisher
Springer-Verlag
Year
2004
Tongue
English
Weight
250 KB
Volume
33
Category
Article
ISSN
1434-6044

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The COMPASS experiment at CERN
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An important goal of the COMPASS experiment is the study of semi-inclusive polarised muon scattering from a polarised target. The identification of the hadrons will allow, for the first time, a direct measurement of the gluon polarisation AG/G from the cross-section asymmetry of open charm productio

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The recently approved COMPASS experiment attempts a measurement of the gluon polarization around r/\_\_ 0.1 with a precision of 5(Ag/g) ,,o 0.1. The experiment uses open charm muo-production and large PT ha&on pairs to tag the photon-gluon fusion process. COMPASS will also cover a rich spin-physics

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Determining of the gluon polarisation in the nucleon, by measurement of the double spin asymmetry of the photon-gluon fusion process is the main goal of the COMPASS experiment at CERN. Experiment uses 160 GeV polarized muon beam and polarised 6 LiD target. Photon-gluon fusion events are selected usi