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Reconciling the LEP and SLAC measurements of sin$^{2}\vartheta_{w}$
We consider whether a discrepancy between the SLAC and LEP measurements of \Sw can be explained by new physics. We find that only the contribution of a new neutral gauge boson, Z^\prime, nearly degenerate with the Z can affect the SLAC measurement while leaving the LEP observables almost unaffected....
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(94)01628-P http://cds.cern.ch/record/270645 |