Interactions in Intersecting Brane Models

Details Interactions in Intersecting Brane Models Interactions in Intersecting Brane Models

2003-10-13

arxiv.org/abs/hep-th/0310115v2

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, 3 figures. To appear in the proceedings of the 2nd international conference on String Phenomenology 2003, Durham, Eng

Scientific paper

We calculate tree level three and four point scattering amplitudes in type II string models with matter fields localized at the intersections of D-brane wrapping cycles. The analysis of the three point amplitude is performed in the context of Yukawa couplings and it is seen that a natural mechanism for the generation of a mass hierarchy arises. The four point amplitude for fermions at the intersection of four independent stacks of D-branes is then determined.

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