Advances in Old-Fashioned Heterotic String Model Building

Details Advances in Old-Fashioned Heterotic String Model Building Advances in Old-Fashioned Heterotic String Model Building

1997-08-05

arxiv.org/abs/hep-th/9708023v2

Nucl.Phys.Proc.Suppl. 62 (1998) 161-170

Physics

High Energy Physics

High Energy Physics - Theory

Talk presented at SUSY'97. Latex w/ espcrc2.sty, 10 pages, reference corrections and updates

Scientific paper

10.1016/S0920-5632(97)00653-1

I review findings of various research groups regarding perturbative heterotic string model building in the last 12 months. Attention is given to recent studies of extra U(1)'s and local discrete symmetries (LDS's) in generic string models. Issues covered include the role of U(1)'s and LDS's in limiting proton decay, developments in classification of models containing anomalous U(1), and possible complications resulting from kinetic mixing between observable and hidden sector U(1)'s. Additionally, recent string-derived and string-inspired models are briefly reviewed. Talk Presented at SUSY '97.

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