Unification Scale in String Theory
High Energy Physics - Phenomenology
2009-10-28 v3
Abstract
We study the unification scale and gauge coupling constant in 4D string theory. We show that the fine structure constant is determined by the dimension of the hidden gauge group and only and are consistent with minimal string unification while the unification scale can be of order of .
Keywords
Cite
@article{arxiv.hep-ph/9401239,
title = {Unification Scale in String Theory},
author = {A. de la Macorra},
journal= {arXiv preprint arXiv:hep-ph/9401239},
year = {2009}
}
Comments
12 pages (LaTeX)