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

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

2001-01-18

arxiv.org/abs/hep-ex/0101027v3

Physics

High Energy Physics

High Energy Physics - Experiment

41 pages, 4 figures

Scientific paper

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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