A measurement of the Tau to Muon branching ratio

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dc.contributor.author Kormos, Laura Lee
dc.date.accessioned 2018-11-16T23:26:38Z
dc.date.available 2018-11-16T23:26:38Z
dc.date.copyright 2003 en_US
dc.date.issued 2018-11-16
dc.identifier.uri https://dspace.library.uvic.ca//handle/1828/10321
dc.description.abstract The Ƭ- → μ-vμvƬ branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B (Ƭ- → μ-vμvƬ) = 0.1734 ± 0.0009(stat) ± 0.0006(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios mH± = 1.0005 ± 0.0044 and gƬ/ge = 1.0031 ± 0.0048, in good agreement with the Standard Model prediction of unity. A value for the Michel parameter η = 0.004 ± 0.037 has also been determined and used to find a limit for the mass of the charged Higgs boson, mH± > 1.28 tan β, in the Minimal Supersymmetric Standard Model. en_US
dc.language English eng
dc.language.iso en en_US
dc.rights Available to the World Wide Web en_US
dc.subject Branching ratios (Nuclear physics) en_US
dc.subject Leptons (Nuclear physics) en_US
dc.subject Tau leptons en_US
dc.subject Minimal supersymmetric standard model en_US
dc.subject Higgs boson en_US
dc.title A measurement of the Tau to Muon branching ratio en_US
dc.type Thesis en_US
dc.contributor.supervisor Sobie, Randall J.
dc.contributor.supervisor Keeler, Richard K.
dc.degree.department Department of Physics and Astronomy en_US
dc.degree.level Doctor of Philosophy Ph.D. en_US
dc.description.scholarlevel Graduate en_US

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