Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c

Details Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c

1994-09-16

arxiv.org/abs/hep-ex/9409001v1

Z.Phys.A350:379-386,1995

Physics

High Energy Physics

High Energy Physics - Experiment

(12 p.) uuencoded gzipped PostScript, report# CERN PPE/94-86

Scientific paper

10.1007/BF01291194

The polarization of Lambda0, AntiLambda0, Sigma+ and Xi- inclusively produced in Sigma- induced interactions at 330 GeV has been measured in the experiment WA89 at CERN. This is the first measurement of polarization of baryons produced by a hyperon beam. No polarization of AntiLambda is observed, as was also the case in proton beam data. At transverse momenta of about 1 GeV/c Lambda0 and Sigma+ show little polarization, significantly lower than in the proton beam data, while Xi- have a polarization comparable to the polarization of Lambda0 produced in proton beams.

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