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1.
Precision Neutral Current Asymmetry Parameter Measurements from the Tau Polarization at LEP / OPAL Collaboration
Measurements of the tau lepton polarization and forward-backward polarization asymmetry near the Z resonance using the OPAL detector are described. The measurements are based on analyses of tau -> e nu_e nu_tau, tau -> mu nu_mu nu_tau, tau -> pi nu_tau, tau -> rho nu_tau and tau -> a1 nu_tau decays from a sample of 144810 e+e- -> tau+ tau- candidates corresponding to an integrated luminosity of 151 pb-1. [...]
hep-ex/0103045; CERN-EP-2001-023; CERN-EP-2001-023.- Geneva : CERN, 2001 - 36 p. - Published in : Eur. Phys. J. C 21 (2001) 1-21 Fulltext: 0103045 - PDF; arXiv:hep-ex_0103045 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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2.
Measurement of the Branching Ratio for $D_{s} \to \tau\nu_{\tau}$ Decays / OPAL Collaboration
Using about 3.9 million hadronic Z decays from e+e- collisions recorded by the OPAL detector at LEP at centre-of-mass energies near MZ the branching ratio for the decay D_s -> tau nu_tau has been measured to be (7.0 +/- 2.1(stat) +/- 2.0 (syst))%. This result can be used to derive the decay constant of the D_s meson: f(D_s) = 286 +/- 44(stat) +/- 41(syst) MeV..
hep-ex/0103012; CERN-EP-2001-019; CERN-EP-2001-019.- Geneva : CERN, 2001 - 23 p. - Published in : Phys. Lett. B 516 (2001) 236-248 Fulltext: 0103012 - PDF; arXiv:hep-ex_0103012 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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3.
A Search for a Narrow Radial Excitation of the $D^{*\pm}$ Meson / OPAL Collaboration
A sample of 3.73 million hadronic Z decays, recorded with the OPAL detector at LEP in the years 1991-95, has been used to search for a narrow resonance corresponding to the decay of the D*'+/-(2629) meson into D*+/- pi+ pi-. The D*+ mesons are reconstructed in the decay channel D*+ -> D0 pi+ with D0 -> K- pi+ [...]
hep-ex/0101045; CERN-EP-2001-003; CERN-EP-2001-003.- Geneva : CERN, 2001 - 21 p. - Published in : Eur. Phys. J. C 20 (2001) 445-454 Fulltext: arXiv:hep-ex_0101045 - PDF; 0101045 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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4.
A Simultaneous Measurement of the QCD Colour Factors and the Strong Coupling / OPAL Collaboration
Using data from e+e- annihilation into hadrons, taken with the OPAL detector at LEP at the Z pole between 1991 and 1995, we performed a simultaneous measurement of the colour factors of the underlying gauge group of the strong interaction, CF and CA, and the strong coupling, alpha(s). The measurement was carried out by fitting next-to-leading order perturbative predictions to measured angular correlations of 4-jet events together with multi-jet related variables. [...]
hep-ex/0101044; CERN-EP-2001-001; CERN-EP-2001-001.- Geneva : CERN, 2001 - 29 p. - Published in : Eur. Phys. J. C 20 (2001) 601-615 Fulltext: arXiv:hep-ex_0101044 - PDF; 0101044 - PDF; External links: Fulltext; Rivet analyses reference - Please contact the library if you need to access this document.
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5.
Search for the Standard Model Higgs Boson in $e^{+}e^{-}$ Collisions at $\sqrt{s}$ = 192-209 GeV / OPAL Collaboration
A search for the Standard Model Higgs boson has been performed with the OPAL detector at LEP based on the full data sample collected at sqrt(s) = 192-209 GeV in 1999 and 2000, corresponding to an integrated luminosity of approximately 426 pb-1. The data are examined for their consistency with the background-only hypothesis and various Higgs boson mass hypotheses. [...]
hep-ex/0101014; CERN-EP-2000-156; CERN-EP-2000-156.- Geneva : CERN, 2001 - 20 p. - Published in : Phys. Lett. B 499 (2001) 38-52 Fulltext: 0101014 - PDF; arXiv:hep-ex_0101014 - PDF; External link: Preprint - Please contact the library if you need to access this document.
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