A D-brane alternative to unification

Details A D-brane alternative to unification A D-brane alternative to unification

2000-04-24

arxiv.org/abs/hep-ph/0004214v3

Phys.Lett. B486 (2000) 186-193

Physics

High Energy Physics

High Energy Physics - Phenomenology

LateX, 14 pages, one figure; v2: References added, extra comment added on accomodating right-handed neutrinos

Scientific paper

10.1016/S0370-2693(00)00733-4

We propose a minimal embedding of the Standard Model spectrum in a D-brane configuration of type I string theory. The SU(3) color and SU(2) weak interactions arise from two different collections of branes. The model is neither grand unified nor supersymmetric but it naturally leads to the right prediction of the weak angle for a string scale of the order of a few TeV. It requires two Higgs doublets and guarantees proton stability.

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