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Fourth-generation leptons at LEP2
From non-observation at LEP1, a lower mass limit of 45 GeV has been established on any additional sequential fermion beyond the three generations. Precision measurements have further constrained the number of such additional generations, either degenerate or nearly so, to be at most one. LEP2, an en...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1995
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(96)00127-7 http://cds.cern.ch/record/293119 |