On the precise determination of the Fermi coupling constant from the muon lifetime

The determination of the Fermi coupling constant, G F , is examined in the light of recently calculated two-loop QED corrections and planned experiments to measure the muon lifetime to a level below 1 ppm. The methods used in the calculation of the QED corrections are described in detail. Sources of...

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Bibliographic Details
Published in:Nuclear physics. B 2000-01, Vol.564 (3), p.343-390
Main Authors: van Ritbergen, Timo, Stuart, Robin G.
Format: Article
Language:English
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Summary:The determination of the Fermi coupling constant, G F , is examined in the light of recently calculated two-loop QED corrections and planned experiments to measure the muon lifetime to a level below 1 ppm. The methods used in the calculation of the QED corrections are described in detail. Sources of the dominant theoretical and experimental uncertainties are identified. Finally the incorporation of G F into analyses using the full electroweak Standard Model is discussed.
ISSN:0550-3213
1873-1562
DOI:10.1016/S0550-3213(99)00572-6