ντ helicity from h± energy correlations
1997
We report a measurement of the magnitude of the {nu}{sub {tau}} helicity from {tau}-pair events taken with the CLEO detector at the CESR electron-positron storage ring. Events in which each {tau} undergoes the decay {tau}{r_arrow}h{nu}, with h a charged pion or kaon, are analyzed for energy correlations between the daughter hadrons, yielding {vert_bar}{xi}{sub h}{vert_bar} = 1.03{plus_minus}0.06{plus_minus}0.04, with the first error statistical and the second systematic. {copyright} {ital 1997} {ital The American Physical Society}
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