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Measurement of the tau lepton polarisation at LEP2

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. © 2007 Elsevier B.V. All rights reserved.
Publication status:
Published

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Journal:
PHYSICS LETTERS B
Volume:
659
Issue:
1-2
Pages:
65-73
Publication date:
2008-01-17
DOI:
ISSN:
0370-2693
URN:
uuid:47da0303-f93b-4d20-a7c3-9272bd197343
Source identifiers:
221004
Local pid:
pubs:221004
Language:
English

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