The reactions\(K^ -Be \to {}^(\bar K^) *^0 (890)X,\pi ^ -Be \to {}^(\bar K^) *^0 (890)X\), have been studied in a 175 GeV unseparated hadron beam in the kinematic range 0<xF<1.0 andpT2<5 GeV2. Integrated cross-sections and the dependence of the cross-sections on the longitudinal and transverse momentum are presented, together with quark counting rules predictions. The nuclear dependence ofK− fragmentation intoK*0(890) with respect to Feynmanx is investigated from hydrogen to beryllium.
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The production of the neutralK− (892) resonances by 200 GeVK− andπ− has been studied over the kinematic range 0.0<xf<1.0 andpt2<5.0 GeV2. Longitudinal and transverse momentum distributions are presented. In addition the decay angular distributions inK− fragmentation to\(\bar K^{0*} \) have been investigated.
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