Measurement of transverse Λ and (Λ)over-bar polarization at COMPASS

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作者
Ferrero, A. [1 ]
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[1] CERN, European Org Nucl Res, CH-1211 Geneva 23, Switzerland
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O59 [应用物理学];
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摘要
New data on hyperon polarization in semi-inclusive deep inelastic scattering have been collected by the COMPASS collaboration at CERN during the years 2002-2004, using a beam of longitudinally polarized muons of 160 GeV/c and a (LiD)-Li-6 target that can be polarized both longitudinally and transversely. The various combinations of beam and target polarizations allow for the study of a wide variety of hyperon polarization effects. Here we present preliminary results on the transverse polarization of Lambda and (Lambda) over bar produced both with unpolarized and transversely polarized deuteron targets.
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页码:436 / 440
页数:5
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