Stopping K + mesons were observed in a 12-in.-diam, lO-in.-deep xenon bubble chamber. The branching ratios of the K^,K^, K e3 , K^, r, and r' decay modes were calculated, giving, in percent, 63.0±0.8,3.0±0.5, 4.7±0.3, 22.4±0.8, 5.1±0.2, and 1.8±0.2, respectively. These ratios are compared both with previous experiments and with some theoretical predictions. The ratio of the three-body pionic decay modes is consistent with the AT=J rule; the ratio of the three-body leptonic-decay modes is consistent with /_//+=0; and the Ktf branching ratio does not contradict a recent theory of universality in the two-body leptonic decays of the 7r and K mesons.
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