DREDed Anomaly Mediation

Details DREDed Anomaly Mediation DREDed Anomaly Mediation

2001-07-25

arxiv.org/abs/hep-ph/0107255v2

Phys.Rev.D65:085028,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages. 10 figures. Uses Axodraw. Reference added

Scientific paper

10.1103/PhysRevD.65.085028

We offer a guide to dimensional reduction (DRED) in theories with anomaly mediated supersymmetry breaking. Evanescent operators proportional to epsilon arise in the bare Lagrangian when it is reduced from d=4 to d= (4-2 epsilon) dimensions. In the course of a detailed diagrammatic calculation, we show that inclusion of these operators is crucial. The evanescent operators conspire to drive the supersymmetry-breaking parameters along anomaly-mediation trajectories across heavy particle thresholds, guaranteeing the ultraviolet insensitivity.

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