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Advances in High Energy Physics
Volume 2013 (2013), Article ID 293205, 7 pages
http://dx.doi.org/10.1155/2013/293205
Research Article

Constraints on the NMSSM from the Oblique Parameters

Fakultät für Physik, Universität Bielefeld, 33615 Bielefeld, Germany

Received 10 December 2012; Accepted 2 February 2013

Academic Editor: Kingman Cheung

Copyright © 2013 Markos Maniatis and York Schröder. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Electroweak precision measurements, encoded in the oblique parameters, give strong constraints on physics beyond the Standard Model. The oblique parameters are calculated in the next-to-minimal supersymmetric model (NMSSM). We outline the calculation of the oblique parameters in terms of one-loop gauge-boson self-energies and find sensitive restrictions for the NMSSM parameter space.