D-brane Standard Model

I. Antoniadis (CERN) , E. Kiritsis , T. Tomaras (U. of Crete , FORTH)

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classification ✦ hep-th hep-ph

keywords modelscalestandardstringweakanglearisebosons

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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.

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D-brane Standard Model

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