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Search for CP violation in ZmFττ

Buskulic, D. and Finch, Alexander (1992) Search for CP violation in ZmFττ. Physics Letters B, 297 (3-4). pp. 459-468. ISSN 0370-2693

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Abstract

Using the 18.8 pb−1 of data accumulated at LEP in 1990 and 1991 with the ALEPH detector, a direct test of neutral current CP-invariance is performed by a search for CP-odd correlations in Z decays to τ pairs where both τ decay modes are identified. No evidence for CP-violation is observed. The weak dipole moment of the τ has been measured to be dτ(mZ) = (1.3 ± 1.4 ± 0.1) × 10−17e·cm which results in an upper limit on the weak dipole moment of |dτ(mZ)| ⩽ 3.7 × 10−17e·cm with 95% confidence level.

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64119
Deposited By: ep_importer_pure
Deposited On: 07 May 2013 15:49
Refereed?: Yes
Published?: Published
Last Modified: 30 Aug 2017 14:06
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64119

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