Title
Measurement of the tau lepton polarisation at LEP2 Measurement of the tau lepton polarisation at LEP2
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Amsterdam ,
Subject
Physics
Source (journal)
Physics letters: B. - Amsterdam, 1967, currens
Volume/pages
659(2008) :1/2 , p. 65-73
ISSN
0370-2693
ISI
000252878000010
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
A first measurement of the average polarisation Pτ of tau leptons produced in e+e− annihilation at energies significantly above the Z resonance is presented. The polarisation is determined from the kinematic spectra of tau hadronic decays. The measured value Pτ=−0.164±0.125 is consistent with the Standard Model prediction for the mean LEP energy of 197 GeV.
E-info
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