Form Factor Measurements at BESIII for an Improved Standard Model Prediction of the Muon g-2
نویسندگان
چکیده
منابع مشابه
The Standard Model Prediction for Muon G − 2
The present Standard Model prediction for muon g − 2 is reviewed. Emphasis is put in discussing the main hadronic uncertainties at present. August 2001 Invited talk at “Kaon 2001”, 6-13 June 2001, Pisa, Italy. Work supported in part by the European Union TMR Network EURODAPHNE (Contract No. ERBFMX-CT98-0169), by MCYT, Spain (Grant No. FPA2000-1558), and by Junta de Andalućıa, (Grant No. FQM-101).
متن کاملThe Standard Model Prediction for Muon G − 2 December 2001
The present Standard Model prediction for muon g − 2 is reviewed. Emphasis is put in discussing the main hadronic uncertainties. December 2001 Invited talk at “Kaon 2001”, 6-13 June 2001, Pisa, Italy. Work supported in part by the European Union TMR Network EURODAPHNE (Contract No. ERBFMX-CT98-0169), by MCYT, Spain (Grant No. FPA2000-1558), and by Junta de Andalućıa, (Grant No. FQM-101).
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where e, m and g are the charge, mass and gyromagnetic factor of the particle. In the Dirac theory of a charged pointlike spin-1/2 particle, g = 2, and QED effects slightly increase the g value. Conventionally, a quantity a ≡ (g−2)/2 is referred to as the anomalous magnetic moment. The electron and muon anomalous magnetic moments have been measured with a very high relative accuracy of 0.24 ppb...
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In a recent experimental paper reporting a precise measurement of the muon anomalous magnetic moment, Brown et al. claim disagreement of their result with evaluations based on the standard model. This claim is based on comparison with a single theoretical evaluation. It is pointed out that other equally legitimate theoretical evaluations exist in the literature, with which the new experimental ...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics: Conference Series
سال: 2018
ISSN: 2010-1945
DOI: 10.1142/s2010194518600261