Interactions in Intersecting Brane Models
High Energy Physics - Theory
2009-11-10 v4 High Energy Physics - Phenomenology
Abstract
We discuss 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. Using conformal field theory techniques we calculate the four fermion amplitudes. These give "contact" interactions that can lead to flavour changing effects. We show how in the field theory limit the amplitudes can be interpreted as the exchange of Kaluza-Klein excitations, string oscillator states and stretched heavy string modes.
Cite
@article{arxiv.hep-th/0303124,
title = {Interactions in Intersecting Brane Models},
author = {S. A. Abel and A. W. Owen},
journal= {arXiv preprint arXiv:hep-th/0303124},
year = {2009}
}
Comments
17 pages, 10 figures. References added and typos corrected. Version to be published. Minor corrections