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Polarization of $\Xi^-$ Hyperons Produced by 800-GeV Protons

Duryea, J. ; Guglielmo, G. ; Heller, Kenneth J. ; et al.
Phys.Rev.Lett. 67 (1991) 1193-1196, 1991.
Inspire Record 322767 DOI 10.17182/hepdata.19903

The polarization PΞ− of Ξ− hyperons produced by 800-GeV protons has been measured for xF from 0.3 to 0.7 and pT from 0.5 to 1.5 GeV/c. PΞ− has a pT dependence similar to that of the Λ but has a different xF behavior. Also, an energy dependence of PΞ− has been observed.

1 data table
Table 1

1.3 mv production angle was horizontal. Others are vertical.


Neutral strange particle production in sulphur sulphur and proton sulphur collisions at 200-GeV/nucleon

The NA35 collaboration Bartke, J. ; Bialkowska, H. ; Bock, R. ; et al.
Z.Phys.C 48 (1990) 191-200, 1990.
Inspire Record 304994 DOI 10.17182/hepdata.15177

The production of Λ,\(\bar \Lambda\) andKs0 has been studied in 200 GeV/nucleonp+S and S+S collisions in the streamer chamber of the NA35 experiment at the CERN SPS. Significant enhancement of the multiplicities of all observed strange particles relative to negative hadrons was observed in central S+S collisions, as compared top+p andp+S collisions. The latter collisions show no overall (relative) strangeness enhancement overp+p, but the rapidity distributions and hadron multiplicities indicate some secondary cascading production of Λ particles in thep+S andp+Au collisions. The Λ polarization in central S+S collisions was found to be compatible with zero up topT=2 GeV/c.

15 data tables
Table 1

Tranverse kinetic energy spectra of neutral strange particles in P SU collisions.

Table 2

Tranverse kinetic energy spectra of neutral strange particles in P SU collisions.

Table 3

Tranverse kinetic energy spectra of neutral strange particles in SU SU collisions.

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STUDY OF THE POLARIZATION FOR LAMBDA'S PRODUCED IN NUCLEUS-NUCLEUS INTERACTIONS

Anikina, M. ; Golokhvastov, A. ; Iovchev, K. ; et al.
Osaka Polarization 1985:986, 1985.
Inspire Record 220117 DOI 10.17182/hepdata.39500

None

1 data table
Table 1

SECOND REACTION CORRESPONDS TO COLLISIONS OF VARIOUS NUCLEAR PAIRS (C C, C NE, O NE, C CU, C ZR, C PB, O PB), FOR DETAILS SEE: ZP C25, 1. PLAB = 3.7 GEV/A|.


POLARIZATION OF XI0 AND LAMBDA HYPERONS PRODUCED BY 400-GEV/C PROTONS

Heller, Kenneth J. ; Cox, P.T. ; Dworkin, J. ; et al.
Phys.Rev.Lett. 51 (1983) 2025-2028, 1983.
Inspire Record 196831 DOI 10.17182/hepdata.20515

The polarization of Ξ0 and Λ hyperons produced by 400-GeV protons interacting with a beryllium target has been measured in the projectile fragmentation region. The Ξ0 polarization agrees in sign, magnitude, and kinematic behavior with that of Λ. The target dependence of these Ξ0 and Λ polarizations was also investigated with use of Cu and Pb targets.

2 data tables
Table 1

No description provided.

Table 2

No description provided.