WA89
SIGMA- CU --> LAMBDABAR X
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V0, anti-Xi+ and Omega- inclusive production cross-sections measured in hyperon experiment WA89 at CERN

The WA89 collaboration Adamovich, M.I. ; Aleksandrov, Yu.A. ; Baranov, S.P. ; et al.
Eur.Phys.J.C 26 (2003) 357-370, 2003.
Inspire Record 614087 DOI 10.17182/hepdata.43217

We report on a measurement of the inclusive cross sections of $\Lambda$ , $\overline\Lambda$ , K 0

28 data tables
Table 1

Total inclusive hyperon production cross sections for the SIGMA- beam on the Copper target.

Table 2

Total inclusive hyperon production cross sections for the SIGMA- beam on the Carbon target.

Table 3

Total inclusive hyperon production cross sections per nucleon for the SIGMA- beam, and the exponent in the cross section parametrization of the form A**POWER.

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

The WA89 collaboration Adamovich, M.I. ; Albertson, E. ; Alexandrov, Yu. A. ; et al.
Z.Phys.A 350 (1995) 379-386, 1995.
Inspire Record 375458 DOI 10.17182/hepdata.48194

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 1GeV/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.

3 data tables
Table 1

Target Consisted of a copper and a carbon block arranged side by side.

Table 2

Target Consisted of a copper and a carbon block arranged side by side.

Table 3

Target Consisted of a copper and a carbon block arranged side by side.