期刊
PHYSICS LETTERS B
卷 673, 期 2, 页码 127-135出版社
ELSEVIER
DOI: 10.1016/j.physletb.2009.01.060
关键词
Transversity; Deuteron; Transverse single-spin asymmetry; Identified hadrons; Collins asymmetry; Sivers asymmetry; COMPASS
The measurements of the Collins and Sivers asymmetries of identified hadrons produced in deep-inelastic scattering of 160 GeV/c muons oil a transversely polarised (LiD)-Li-6 target at COMPASS are presented. The results for charged pions and charged and neutral kaons correspond to all data available, which were collected from 2002 to 2004. For all final state particles both, the Collins and Sivers asymmetries turn out to be small, compatible with zero within the statistical errors, in line with the previously published results for not identified charged hadrons, and with the expected cancellation between the u- and d-quark contributions. (C) 2009 Elsevier B.V. All rights reserved.
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