The experimental results have been presented on hyperon polarization (A Z- Z+) for inclusive processes of the type a+b→c everything in π- р interactions at Pπ- =5GeV/ It is shown that for A-hyperon in the region 0<t<1.2 one can observe a similarity with the behaviour of polarization in two and quasi-two-body reactions. The change of the polarization sign may be explained by changing the slope in the differential cross section in these t regions.
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