Collins and Sivers asymmetries for pions and kaons in muon-deuteron DIS - High Energy Physics - ExperimentReport as inadecuate




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Abstract: The measurements of the Collins and Sivers asymmetries of identified hadronsproduced in deep-inelastic scattering of 160 GeV-c muons on a transverselypolarised 6LiD target at COMPASS are presented. The results for charged pionsand charged and neutral kaons correspond to all data available, which werecollected from 2002 to 2004. For all final state particles both the Collins andSivers asymmetries turn out to be small, compatible with zero within thestatistical errors, in line with the previously published results for notidentified charged hadrons, and with the expected cancellation between the u-and d-quark contributions.



Author: The COMPASS Collaboration: M. Alekseev, V.Yu. Alexakhin, Yu. Alexandrov, G.D. Alexeev, A. Amoroso, A. Arbuzov, B. Badełek, F. Ba

Source: https://arxiv.org/







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