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Combination procedure for the precise determination of Z boson parameters from results of the LEP experiments

Abstract : The precise determination of the Z boson parameters from the measurements at the Z resonance by the four collaborations ALEPH, DELPHI, L3 and OPAL in e+e- collisions at the large electron positron collider LEP at CERN is a landmark for precision tests of the electroweak theory. The four experiments measured quantities which were used to extract the mass and width of the Z boson, the hadronic cross-section at the pole of the resonance, the ratio of hadronic and leptonic decay widths, and the leptonic forward-backward asymmetries at the pole. The combination procedure based on these parameters is presented in this paper.
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http://hal.in2p3.fr/in2p3-00009857
Contributor : Claudine Bombar <>
Submitted on : Monday, February 19, 2001 - 1:59:04 PM
Last modification on : Friday, December 4, 2020 - 1:22:16 PM

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D. Decamp, D. Buskulic, R. Barate, P. Aarnio, P. Abreu, et al.. Combination procedure for the precise determination of Z boson parameters from results of the LEP experiments. 2001. ⟨in2p3-00009857⟩

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