Abstract
Antiproton proton annihilations into final states containing at least one K 1 o meson have been studied in a 150 000 picture bubble chamber experiment. The experiment covered six incident antiproton momenta in the range 1.6–2.2 GeV/ c. Cross sections at each incident momentum are determined for the more abundantly produced final states, and momentum averaged cross sections are determined for some rarer final states, including K 0 K 0 and K 0 K 0 K + K − . Copious resonance production, including double resonance production, is observed, and percentage contributions of different resonance channels are evaluated. Cross sections and resonance fractions are compared with results of other experiments at antiproton momenta in the range 0.7–3.7 GeV/ c.
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