Fermion Masses in Superstring Theory
I. Antoniadis, T. R. Taylor
Abstract
We give a model-independent discussion of fermion masses in four-dimensional heterotic superstring theories. We discuss the tree level contributions and quantum corrections, including one-loop threshold effects and masses generated as a result of non-perturbative supersymmetry breaking. We also point out that superstring models give rise to a generic μ-term in the effective low energy Lagrangian.
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