| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10724677 | Physics Letters B | 2013 | 9 Pages |
Abstract
We present a determination of the gluon polarisation Îg/g in the nucleon, based on the longitudinal double-spin asymmetry of DIS events with Q2>1(GeV/c)2 including a pair of large transverse-momentum hadrons in the final state. The data were obtained by the COMPASS experiment at CERN using a 160 GeV/c polarised muon beam scattering off a polarised LiD6 target. The gluon polarisation is evaluated by a Neural Network approach for three intervals of the gluon momentum fraction xg covering the range 0.04
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Authors
C. Adolph, M.G. Alekseev, V.Yu. Alexakhin, Yu. Alexandrov, G.D. Alexeev, A. Amoroso, A.A. Antonov, A. Austregesilo, B. BadeÅek, F. Balestra, J. Barth, G. Baum, Y. Bedfer, J. Bernhard, R. Bertini, M. Bettinelli, K. Bicker, J. Bieling, A. Zvyagin,