The case of αs: Z versus low energies or, how nature shows us new physics

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The values of αs determined from low and high energy measurements are in irreconcilable contradiction with each other. The current status of the problem is critically reviewed. Consequences of the αs contradiction, in conjunction with other anomalies detected at the Z peak, are discussed. This article has been updated in accordance with experimental numbers reported at summer conferences.

Original languageEnglish (US)
Pages (from-to)3195-3225
Number of pages31
JournalInternational Journal of Modern Physics A
Issue number18
StatePublished - 1996

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