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Measurement of the Λb polarization in Z decays

Buskulic, D. and Finch, Alexander (1996) Measurement of the Λb polarization in Z decays. Physics Letters B, 365 (1-4). pp. 437-447. ISSN 0370-2693

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Abstract

The Λb polarization in hadronic Z decays is measured in semileptonic decays from the average energies of the charged lepton and the neutrino. In a data sample of approximately 3 million hadronic Z decays collected by the ALEPH detector at LEP between 1991 and 1994, 462 ± 31 Λb candidates are selected using (Λπ+)-lepton correlations. From this event sample, the Λb polarization is measured to be Λb = −0.23−0.20+0.24(stat.)−0.07+0.08(syst.).

Item Type: Article
Journal or Publication Title: Physics Letters B
Subjects:
Departments: Faculty of Science and Technology > Physics
ID Code: 64058
Deposited By: ep_importer_pure
Deposited On: 09 May 2013 16:50
Refereed?: Yes
Published?: Published
Last Modified: 21 Sep 2017 05:35
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/64058

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