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Xi0 and anti-Xi0 Polarization Measurements at 800-GeV/c

The KTeV collaboration Abouzaid, E. ; Alavi-Harati, A. ; Alexopoulos, T. ; et al.
Phys.Rev.D 75 (2007) 012005, 2007.
Inspire Record 722906 DOI 10.17182/hepdata.41797

The polarization of neutral Cascade and anti-Cascade hyperons produced by 800 GeV/c protons on a BeO target at a fixed targeting angle of 4.8 mrad is measured by the KTeV experiment at Fermilab. Our result of 9.7% for the neutral Cascade polarization shows no significant energy dependence when compared to a result obtained at 400 GeV/c production energy and at twice our targeting angle. The polarization of the neutral anti-Cascade is measured for the first time and found to be consistent with zero. We also examine the dependence of polarization on transverse production momentum.

1 data table
Table 1

Measured polarizations as a function of transverse momentum.


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.