Search for CP violation in the decay Z → τ+τ−

Buskulic, D. and Finch, Alexander (1995) Search for CP violation in the decay Z → τ+τ−. Physics Letters B, 346 (3-4). pp. 371-378. ISSN 0370-2693

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Abstract

Data collected by ALEPH in the years 1990, 1991 and 1992 have been used to update a previous search for CP violation in the decay of the Z into τ+τ−. The measurement of the weak dipole form factor of the τ lepton has been performed by studying correlations between the τ leptons. No signal of CP violation was found. The weak dipole form factor is found to be · cm, obtained with 19628 identified τ+τ− events. This gives an upper limit on the weak dipole form factor of · cm at the 95% confidence level.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
64084
Deposited By:
Deposited On:
09 May 2013 14:16
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:27