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First measurement of the transverse spin asymmetries of the deuteron in semi-inclusive deep inelastic scattering |
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| Authors: | Alexakhin V Yu Alexandrov Yu Alexeev G D Amoroso A Badełek B Balestra F Ball J Baum G Bedfer Y Berglund P Bernet C Bertini R Birsa R Bisplinghoff J Bradamante F Bravar A Bressan A Burtin E Bussa M P Cerini L Chapiro A Cicuttin A Colantoni M Colavita A A Costa S Crespo M L d'Hose N Dalla Torre S Dasgupta S S De Masi R Dedek N Denisov O Yu Dhara L Diaz Kavka V Dolgopolov A V Donskov S V Dorofeev V A Doshita N Duic V Dünnweber W Efremov A Ehlers J Eversheim P D Eyrich W Fabro M Faessler M Fauland P Ferrero A Ferrero L Finger M Finger M Fischer H Franz J Friedrich J M Frolov V Fuchs U |
| Affiliation: | Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia. |
| Abstract: | First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6LiD target are presented. The data were taken in 2002 with the COMPASS spectrometer using the muon beam of the CERN SPS at 160 GeV/c. The Collins asymmetry turns out to be compatible with zero, as does the measured Sivers asymmetry within the present statistical errors. |
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