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ONE-PRONG TAU-DECAYS INTO CHARGED KAONS

BUSKULIC, D; CASPER, D; DEBONIS, L; DECAMP, D; GHEZ, P; GOY, C; LEES, JP; (1994) ONE-PRONG TAU-DECAYS INTO CHARGED KAONS. PHYS LETT B , 332 (1-2) 209 - 218.

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Abstract

From a sample of about 75000 tau decays measured in the ALEPH detector, 1-prong charged kaon decays are identified by the dE/dx measurement in the central detector. The resulting branching ratios for the inclusive and exclusive modes are: B(tau --> nu(tau)K- greater-than-or-equal-to 0pi0 greater-than-or-equal-to 0K0) = (1.60 +/- 0.07 +/- 0.12)%, B(tau --> nu(tau)K-) = (0.64 +/- 0.05 +/- 0.05)%, B(tau --> nu(tau)K-pi0) = (0.53 +/- 0.05 +/- 0.07)% and B(tau --> nu(tau)K-pi0pi0) = (0.04 +/- 0.03 +/- 0.02)%. Exclusive modes are corrected for measured K(L)0 production. The rate for tau --> nu(tau)K- agrees well with the prediction based on tau - mu universality.

Type: Article
Title: ONE-PRONG TAU-DECAYS INTO CHARGED KAONS
Keywords: ALEPH, LEP
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy
URI: http://discovery.ucl.ac.uk/id/eprint/154138
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