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A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio

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A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio. / Kormos, L .
In: Nuclear Physics B - Proceedings Supplements, Vol. 123, 07.2003, p. 30-39.

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Kormos L. A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio. Nuclear Physics B - Proceedings Supplements. 2003 Jul;123:30-39. doi: 10.1016/S0920-5632(03)80304-3

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Kormos, L . / A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio. In: Nuclear Physics B - Proceedings Supplements. 2003 ; Vol. 123. pp. 30-39.

Bibtex

@article{480b0bcae41a4fc0921909fd1e1de570,
title = "A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio",
abstract = "The tau(-) --> mu(-)(ν) over bar (mu)nu(tau), 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(tau- --> mu(-)(ν) over bar mu(nu)mu(tau)) = 0.1734 +/- 0.0009(stat) +/- 0.0005(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios g(mu)/g(e) = 1.0005 +/- 0.0043 and g(tau)/g(e) = 1.0031 +/- 0.0047, in good agreement with the Standard Model prediction of unity, and also to determine a value for the Michel parameter eta = 0.004 +/- 0.036. This is subsequently used to find a model-dependent limit of the mass for the charged Higgs boson, m(H)+/- > 1.30 tan beta, in the Minimal Supersymmetric Standard Model framework.",
keywords = "2-PHOTON PRODUCTION PROCESSES, HIGH-ENERGY, MICROVERTEX DETECTOR, MONTE-CARLO, DECAYS, LEPTON, PARAMETERS, GENERATION, COUPLINGS, PROGRAM",
author = "L Kormos",
year = "2003",
month = jul,
doi = "10.1016/S0920-5632(03)80304-3",
language = "English",
volume = "123",
pages = "30--39",
journal = "Nuclear Physics B - Proceedings Supplements",
issn = "0920-5632",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - A measurement of the tau(-) -> mu(-)(nu)over-bar(mu)nu(tau) branching ratio

AU - Kormos, L

PY - 2003/7

Y1 - 2003/7

N2 - The tau(-) --> mu(-)(ν) over bar (mu)nu(tau), 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(tau- --> mu(-)(ν) over bar mu(nu)mu(tau)) = 0.1734 +/- 0.0009(stat) +/- 0.0005(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios g(mu)/g(e) = 1.0005 +/- 0.0043 and g(tau)/g(e) = 1.0031 +/- 0.0047, in good agreement with the Standard Model prediction of unity, and also to determine a value for the Michel parameter eta = 0.004 +/- 0.036. This is subsequently used to find a model-dependent limit of the mass for the charged Higgs boson, m(H)+/- > 1.30 tan beta, in the Minimal Supersymmetric Standard Model framework.

AB - The tau(-) --> mu(-)(ν) over bar (mu)nu(tau), 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(tau- --> mu(-)(ν) over bar mu(nu)mu(tau)) = 0.1734 +/- 0.0009(stat) +/- 0.0005(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios g(mu)/g(e) = 1.0005 +/- 0.0043 and g(tau)/g(e) = 1.0031 +/- 0.0047, in good agreement with the Standard Model prediction of unity, and also to determine a value for the Michel parameter eta = 0.004 +/- 0.036. This is subsequently used to find a model-dependent limit of the mass for the charged Higgs boson, m(H)+/- > 1.30 tan beta, in the Minimal Supersymmetric Standard Model framework.

KW - 2-PHOTON PRODUCTION PROCESSES

KW - HIGH-ENERGY

KW - MICROVERTEX DETECTOR

KW - MONTE-CARLO

KW - DECAYS

KW - LEPTON

KW - PARAMETERS

KW - GENERATION

KW - COUPLINGS

KW - PROGRAM

U2 - 10.1016/S0920-5632(03)80304-3

DO - 10.1016/S0920-5632(03)80304-3

M3 - Journal article

VL - 123

SP - 30

EP - 39

JO - Nuclear Physics B - Proceedings Supplements

JF - Nuclear Physics B - Proceedings Supplements

SN - 0920-5632

ER -