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A measurement of the cross section for the process e+e- --> $\mu^{+}\mu^{-}$ derived from the 1990 DELPHI data in the polar angle region 20$^0$ $<$ $\vartheta$ $<$ 160$^0$
Autores principales: | , , |
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Lenguaje: | eng |
Publicado: |
1993
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Materias: | |
Acceso en línea: | http://cds.cern.ch/record/254081 |