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Gauge coupling running in minimal SU(3) x SU(2) x U(1) superstring unification
We study the evolution of the gauge coupling constants in string unification schemes in which the light spectrum below the compactification scale is exactly that of the minimal supersymmetric standard model. In the absence of string threshold corrections the predicted values $\sin^2\theta _W=0.218$...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
1991
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(91)91828-J http://cds.cern.ch/record/225498 |