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Running of the QED coupling in small-angle Bhabha scattering at LEP
Using the OPAL detector at LEP, the running of the effective QED coupling alpha(t) is measured for space-like momentum transfer, 2 \leq -t \leq 6 GeV^2, from the angular distribution of small-angle Bhabha scattering. This is currently the most significant direct observation of the running of the QED...
Autor principal: | Abbiendi, G. |
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Lenguaje: | eng |
Publicado: |
2005
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/835786 |
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