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A measurement of the τ − → µ−ν¯µντ branching ratio

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A measurement of the τ − → µ−ν¯µντ branching ratio. / OPAL Collaboration.
In: Physics Letters B, Vol. 551, No. 1-2, 02.01.2003, p. 35-48.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

OPAL Collaboration 2003, 'A measurement of the τ − → µ−ν¯µντ branching ratio', Physics Letters B, vol. 551, no. 1-2, pp. 35-48. https://doi.org/10.1016/S0370-2693(02)03020-4

APA

OPAL Collaboration (2003). A measurement of the τ − → µ−ν¯µντ branching ratio. Physics Letters B, 551(1-2), 35-48. https://doi.org/10.1016/S0370-2693(02)03020-4

Vancouver

OPAL Collaboration. A measurement of the τ − → µ−ν¯µντ branching ratio. Physics Letters B. 2003 Jan 2;551(1-2):35-48. doi: 10.1016/S0370-2693(02)03020-4

Author

OPAL Collaboration. / A measurement of the τ − → µ−ν¯µντ branching ratio. In: Physics Letters B. 2003 ; Vol. 551, No. 1-2. pp. 35-48.

Bibtex

@article{af9f8cb5f6c247f6a599f1842b610922,
title = "A measurement of the τ − → µ−ν¯µντ branching ratio",
abstract = "The τ− → µ−ν¯µντ 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(τ− → µ−ν¯µντ ) = 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 gµ/ge = 1.0005 ± 0.0044 and gτ /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.",
keywords = "2-PHOTON PRODUCTION PROCESSES, HIGH-ENERGY, MICROVERTEX DETECTOR, MONTE-CARLO, LEP, PARAMETERS, DECAYS, GENERATION, COUPLINGS, PROGRAM",
author = "Bailey, {Ian Richard} and Vakhtang Kartvelishvili and {OPAL Collaboration}",
year = "2003",
month = jan,
day = "2",
doi = "10.1016/S0370-2693(02)03020-4",
language = "English",
volume = "551",
pages = "35--48",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",
number = "1-2",

}

RIS

TY - JOUR

T1 - A measurement of the τ − → µ−ν¯µντ branching ratio

AU - Bailey, Ian Richard

AU - Kartvelishvili, Vakhtang

AU - OPAL Collaboration

PY - 2003/1/2

Y1 - 2003/1/2

N2 - The τ− → µ−ν¯µντ 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(τ− → µ−ν¯µντ ) = 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 gµ/ge = 1.0005 ± 0.0044 and gτ /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.

AB - The τ− → µ−ν¯µντ 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(τ− → µ−ν¯µντ ) = 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 gµ/ge = 1.0005 ± 0.0044 and gτ /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.

KW - 2-PHOTON PRODUCTION PROCESSES

KW - HIGH-ENERGY

KW - MICROVERTEX DETECTOR

KW - MONTE-CARLO

KW - LEP

KW - PARAMETERS

KW - DECAYS

KW - GENERATION

KW - COUPLINGS

KW - PROGRAM

U2 - 10.1016/S0370-2693(02)03020-4

DO - 10.1016/S0370-2693(02)03020-4

M3 - Journal article

VL - 551

SP - 35

EP - 48

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

IS - 1-2

ER -