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- Title
Measurements of ΔG at COMPASS.
- Authors
Klimaszewski, K.
- Abstract
The direct measurement of the gluon polarization in the nucleon at the COMPASS experiment is discussed. Three complementary analyses are considered. All of them study ΔG/G using method based on selection of events originating from the Photon Gluon Fusion process. Most precise preliminary value of ΔG/G is obtained from the high p T pair channel for the Q 2 < 1 (GeV/c)2 region: ΔG/ G = 0.016 ± 0.058 (stat.) ± 0.055 (syst.).
- Publication
European Physical Journal: Special Topics, 2008, Vol 162, Issue 1, p73
- ISSN
1951-6355
- Publication type
Article
- DOI
10.1140/epjst/e2008-00778-7