Miller, D.J. , Moretti, S. and Nevzorov, R. (2005) Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry. In: 18th International Workshop on High Energy Physics and Quantum Field Theory (QFTHEP 2004),, St Petersburg, Russia, 17-23 Jun 2004,
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Publisher's URL: http://arxiv.org/pdf/hep-ph/0501139v1.pdf
Abstract
We explore the Higgs sector of the NMSSM in the limit when the Peccei--Quinn symmetry is exact or only slightly broken. In this case the Higgs spectrum has a hierarchical structure which is caused by the stability of the physical vacuum. We find a strong correlation between the parameters of the NMSSM if $\kappa=0$ or $\kappa\lesssim \lambda^2$. It allows one to distinguish the NMSSM with exact or softly broken PQ-symmetry from the MSSM even when extra scalar and pseudoscalar Higgs states escape direct detection.
| Item Type: | Conference Proceedings |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Moretti, Dr Stefano and Miller, Dr David and Nevzorov, Dr Roman |
| Authors: | Miller, D.J., Moretti, S., and Nevzorov, R. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
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