Towards a realistic Standard Model from D-brane configurations

Details Towards a realistic Standard Model from D-brane configurations Towards a realistic Standard Model from D-brane configurations

2007-07-25

arxiv.org/abs/0707.3724v4

Phys.Rev.D76:115009,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 12 EPS figures, some clarifications/references added

Scientific paper

10.1103/PhysRevD.76.115009

Effective low energy models arising in the context of D-brane configurations with Standard Model (SM) gauge symmetry extended by several gauged abelian factors are discussed. The models are classified according to their hypercharge embeddings consistent with the SM spectrum hypercharge assignment. Particular cases are analyzed according to their perspectives and viability as low energy effective field theory candidates. The resulting string scale is determined by means of a two-loop renormalization group calculation. Their implications in Yukawa couplings, neutrinos and flavor changing processes are also presented.

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