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Anikina, M.; Golokhvastov, A.; Goncharova, L.
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of High Energy1983
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of High Energy1983
AbstractAbstract
[en] Transverse momenta and rapidities of Λ particles produced in central nucleus-nucleus collisions at 4.5 GeV/c per nucleon (cC, CNe, ONe, CCu, CZr, CPb, OPb) have been studied and compared with those from ineiolastic He-Li interactns at the same incident momentum. Polarization of Λ hyperons was found to be consistent (within the errors) with zero (αP=-0.06+-0.11) for 224 Λ particles from central collisions. The upper limit of anti Λ/Λ production ratio was estimated to be less than 10-2 at a 90% confidence level. The analyzed experimental data were obtained using the triggered 2 m streamer spectrometer SKM-200
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1983; 4 p; 8 refs.; 2 figs.
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