The polarisation of 's produced in Z decay is measured using 160 pb of data accumulated at LEP by the ALEPH detector between 1990 and 1995. The variation of the polarisation with polar angle yields the two parameters and which are consistent with the hypothesis of e- universality. Assuming universality, the value is obtained from which the effective weak mixing angle is derived.

Measurement of the Tau Polarisation at LEP / A. Heister et al.;V. Ciulli; E. Focardi. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - ELETTRONICO. - 20:(2001), pp. 401-430. [10.1007/s100520100689]

Measurement of the Tau Polarisation at LEP

CIULLI, VITALIANO;FOCARDI, ETTORE
2001

Abstract

The polarisation of 's produced in Z decay is measured using 160 pb of data accumulated at LEP by the ALEPH detector between 1990 and 1995. The variation of the polarisation with polar angle yields the two parameters and which are consistent with the hypothesis of e- universality. Assuming universality, the value is obtained from which the effective weak mixing angle is derived.
2001
20
401
430
A. Heister et al.;V. Ciulli; E. Focardi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/657268
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