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Measurement of the b ---> tau- anti-tau-neutrino X branching ratio and an upper limit on B- ---> tau- anti-tau-neutrino

Buskulic, D. and Finch, Alexander (1995) Measurement of the b ---> tau- anti-tau-neutrino X branching ratio and an upper limit on B- ---> tau- anti-tau-neutrino. Physics Letters B, 343 (1-4). pp. 444-452. ISSN 0370-2693

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Abstract

Using 1.45 million hadronic Z decays collected by the ALEPH experiment at LEP, the branching ratio is measured to be 2.75 ± 0.30 ± 0.37%. In addition an upper limit of 1.8 × 10−3 at 90% confidence level is placed upon the exclusive branching ratio of . These measurements are consistent with SM expectations, and put the constraint tan GeV−1 at 90% confidence level on all Type II two Higgs doublet models (such as the MSSM).

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64087
Deposited By: ep_importer_pure
Deposited On: 09 May 2013 14:44
Refereed?: Yes
Published?: Published
Last Modified: 30 Aug 2017 14:06
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64087

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