Measurements Of The Inclusive Branching Ratios Of Tau-Leptons To K-S(0) And Charged K-Asterisk(892)
PHYSICS LETTERS B(1994)
摘要
We describe measurements of inclusive branching ratios of the tau lepton to K-S(0) and charged K*(892) using Z(0)-->tau(+)tau(-) candidates collected with the OPAL detector at LEP during 1990-1992. From a total of 61 854 tau candidates we find:Br(tau(-)-->K(S)(0)X(-)nu(tau))=0.97+/-0.09(stat.)+/-0.06(syst.)%Br(tau(-)-->K(*-)greater than or equal to 0h(0) nu(tau))=1.94+/-0.27(stat.)+/-0.15(syst.)%where X(-) refers to any configuration of particles with charge -1 and h(0) is any neutral hadron other than the K-S(0).
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