paper

D-brane Standard Model

arXiv:hep-th/0111269 · doi:10.1002/1521-3978(200105)49:4/6<573::AID-PROP573>3.3.CO;2-1

Abstract

The minimal embedding of the Standard Model in type I string theory is described. The SU(3) color and SU(2) weak interactions arise from two different collections of branes. The correct prediction of the weak angle is obtained for a string scale of 6-8 TeV. Two Higgs doublets are necessary and proton stability is guaranteed. It predicts two massive vector bosons with masses at the TeV scale, as well as a new superweak interaction.

Presented at the Workshop On The Quantum Structure Of Spacetime And The Geometric Nature Of Fundamental Interactions, 4-10 Oct. 2000, Berlin

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