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.

J. ABDALLAH, P. ABREU, W. ADAM, P. ADZIC, T. ALBRECHT, R. ALEMANY-FERNANDEZ, et al. (2008). Measurement of the tau lepton polarisation at LEP2. PHYSICS LETTERS. SECTION B, 659, 65-73 [10.1016/j.physletb.2007.10.022].

Measurement of the tau lepton polarisation at LEP2

NAVARRIA, FRANCESCO LUIGI;PAIANO, SIMONE;PERROTTA, ANDREA;ROVELLI, TIZIANO;
2008

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.
2008
J. ABDALLAH, P. ABREU, W. ADAM, P. ADZIC, T. ALBRECHT, R. ALEMANY-FERNANDEZ, et al. (2008). Measurement of the tau lepton polarisation at LEP2. PHYSICS LETTERS. SECTION B, 659, 65-73 [10.1016/j.physletb.2007.10.022].
J. ABDALLAH; P. ABREU; W. ADAM; P. ADZIC; T. ALBRECHT; R. ALEMANY-FERNANDEZ; T. ALLMENDINGER; P.P. ALLPORT; U. AMALDI; N. AMAPANE; S. AMATO; E. ANASHK...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/55574
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