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Neutrino Majorana Masses from String Theory Instanton Effects
Finding a plausible origin for right-handed neutrino Majorana masses in semirealistic compactifications of string theory remains one of the most difficult problems in string phenomenology. We argue that right-handed neutrino Majorana masses are induced by non-perturbative instanton effects in certai...
| Autores principales: | , |
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| Lenguaje: | eng |
| Publicado: |
2006
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| Acceso en línea: | https://dx.doi.org/10.1088/1126-6708/2007/03/052 http://cds.cern.ch/record/986506 |