Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-06-02
Physics
High Energy Physics
High Energy Physics - Theory
26 pages, 2 figures
Scientific paper
One of the challenges of supersymmetry (SUSY) breaking and mediation is generating a mu term consistent with the requirements of electro-weak symmetry breaking. The most common approach to the problem is to generate the mu term through a SUSY breaking F-term. Often these models produce unacceptably large B mu terms as a result. We will present an alternate approach, where the mu term is generated directly by non-perturtative effects. The same non-perturbative effect will also retrofit the model of SUSY breaking in such a way that mu is at the same scale as masses of the Standard Model superpartners. Because the mu term is not directly generated by SUSY breaking effects, there is no associated B mu problem. These results are demonstrated in a toy model where a stringy instanton generates mu.
Green Daniel
Weigand Timo
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