After a short introduction to the physics of COMPASS and the description of the spectrometer, the RICH-1 upgrade project is presented within the performed laboratory activities. Also the preliminary results of the performances of the new RICH-1 are illustrated. The focus then moves on the analysis of the data, and taking advantage of the upgraded RICH-1, the Collins and the Sivers asymmetries, extracted from the data collected during the transverse run of 2007, are presented both for unidentified and identified hadrons.
Measurement of transverse spin effects in COMPASS on a polarised proton target
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2009
Abstract
After a short introduction to the physics of COMPASS and the description of the spectrometer, the RICH-1 upgrade project is presented within the performed laboratory activities. Also the preliminary results of the performances of the new RICH-1 are illustrated. The focus then moves on the analysis of the data, and taking advantage of the upgraded RICH-1, the Collins and the Sivers asymmetries, extracted from the data collected during the transverse run of 2007, are presented both for unidentified and identified hadrons.File in questo prodotto:
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Utilizza questo identificativo per citare o creare un link a questo documento:
https://hdl.handle.net/20.500.14242/232398
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URN:NBN:IT:UNITS-232398