The results reported in this paper come from a K-p-formation experiment performed in the Argonne-Michigan 40-in. heavy-liquid bubble chamber. About 500 000 pictures were taken in a mixture of 80% propane (C3H,) and 20% Freon (C F,Br) with K-beam momenta between 730 and 900 MeV/c. Cross sections for the pure isospin states xO#, ~~$710, and Z%f)nO in the center-of-mass energy ranging from 1580 to 1720 MeV were measured. Cross-section measurements of the no#, AoVo, hOs+n-, and ,Zontn-final states were compared with previous data obtained using hydrogen bubble chambers to check the validity of our techniques. The cross-section normalization was performed using 7 decays to determine the kaon flux.The angular distributions for AO# and 2?ff are also presented and compared with previous measurements in hydrogen bubble chambers. A check of the technique used previously in hydrogen-bubble-chamber experiments to obtain the Pff angular distributions suggests some contamination in the hydrogen data from the multiple # final states. Our data are consistent with the AOnOsO final state being produced almost entirely through 2(1385)n, and the zOff no data with almost total A(1405)n production.
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