K{\" a}hler Anomaly Effect in Anomaly Mediation Framework

Details K{\" a}hler Anomaly Effect in Anomaly Mediation Framework K{\" a}hler Anomaly Effect in Anomaly Mediation Framework

2004-12-16

arxiv.org/abs/hep-ph/0412233v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, 27 figures

Scientific paper

We extend the anomaly mediation mechanism by including the effect due to K{\" a}hler anomaly. We give a general method analyzing the soft breaking terms in MSSM by introducing a set of parameters. One of the parameters describes the magnitude of the K{\" a}hler contribution as opposed to the ordinary super-Weyl contribution. The other parameters come from the so-called bilinear terms which are added to the K{\" a}hler potential in order for the gauge singlet scalar masses squared to be positive. We explore allowed regions of these parameters by considering present experimental bound and present a new way of looking at model building.

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