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The impact of R measurements on the parameters of the Standard Model

โœ Scribed by M. Steinhauser

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
567 KB
Volume
131
Category
Article
ISSN
0920-5632

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โœฆ Synopsis

The impact of precise measurements of a(e+e ---+ hadrons) in the center-of-mass range between 3 and 12 GeV on the determination of parameters of the Standard Model is discussed. In particular we discuss the determination of the charm and bottom quark masses and the possible improvements on the extraction of the strong coupling constant a~. Furthermore, the impact on the evaluation of the hadronic contributions to the electromagnetic coupling ce(Mz 2) is considered.

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