Orbifold SUSY GUT from the Heterotic String

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From the string partition function, we discuss the mass-shell and GSO projection conditions valid for Kaluza-Klein (KK) as well as massless states in the heterotic string theory compactified on a nonprime orbifold. Based on the obtained conditions we construct a 4D string standard model, which is embedded in a 6D SUSY GUT by including KK states above the compactification scale. We discuss the stringy threshold corrections to gauge couplings, including the Wilson line effects.
To appear in the SUSY08 proceedings, 3 pages, LaTEX

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/218042

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0810.0167
 http://arxiv.org/abs/0810.0167
 AIP Conf.Proc.1078:408-410,2009
 doi:10.1063/1.3051976

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arXiv