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An improved measurement of B°-B° mixing in Z° decays

Document type: Articulo

Abstract

A more precise determination of the B°-B ° mixing parameter in Z ° decays based on a fourfold increase in statistics has been made using the 1990 and t99t L3 data. The analysis of the dilepton events, rnuons and electrons, gives: Za = 0.121 + 0.017 (stat) :t: 0.006 (sys). Using the value Of Xd measured at the "f(4S) we derive the following limit for Zs: Zs > 0.16 (90% CL).

General information

Issue date: 27 de agosto de 1992
Document language: English
Journal: Physics Letters B; vol. 288, no. 3-4
Origin: Facultad de Ciencias Exactas
ISSN: 0370-2693
Pages: 395-403
xmlui.dri2xhtml.METS-1.0.item-dc-subject: Física ; L3 data ; dilepton events ; rnuons
Subjects: Ciencias Exactas

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Created: 12 de marzo de 2019
Available since: 12 de marzo de 2019
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/73076
  • https://doi.org/10.1016/0370-2693(92)91119-T

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