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Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry

Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry
Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry
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.
1-8
Miller, D.J.
a230d4ba-cdd8-4e3b-8d96-3bc31863b7a8
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nevzorov, R.
29e55377-613c-4b07-b29a-49fedd1f7544
Miller, D.J.
a230d4ba-cdd8-4e3b-8d96-3bc31863b7a8
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nevzorov, R.
29e55377-613c-4b07-b29a-49fedd1f7544

Miller, D.J., Moretti, S. and Nevzorov, R. (2005) Higgs bosons in the NMSSM with exact and slightly broken PQ-symmetry. Pre-print, 1-8.

Record type: Article

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.

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Published date: 15 January 2005
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 57463
URI: http://eprints.soton.ac.uk/id/eprint/57463
PURE UUID: 6ac4936e-0ec5-4a64-8da8-85fffb738997

Catalogue record

Date deposited: 15 Aug 2008
Last modified: 13 Mar 2019 20:34

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