NMSSM Higgs benchmarks near 125 GeV


King, S.F., Mühlleitner, M. and Nevzorov, R. (2012) NMSSM Higgs benchmarks near 125 GeV. Nuclear Physics B, 860, (2), 207-244. (doi:10.1016/j.nuclphysb.2012.02.010).

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Description/Abstract

The recent LHC indications of a SM-like Higgs boson near 125 GeV are consistent not only with the Standard Model (SM) but also with Supersymmetry (SUSY). However naturalness arguments disfavour the Minimal Supersymmetric Standard Model (MSSM). We consider the Next-to-Minimal Supersymmetric Standard Model (NMSSM) with a SM-like Higgs boson near 125 GeV involving relatively light stops and gluinos below 1 TeV in order to satisfy naturalness requirements. We are careful to ensure that the chosen values of couplings do not become non-perturbative below the grand unification (GUT) scale, although we also examine how these limits may be extended by the addition of extra matter to the NMSSM at the two-loop level. We then propose four sets of benchmark points corresponding to the SM-like Higgs boson being the lightest or the second lightest Higgs state in the NMSSM or the NMSSM-with-extra-matter. With the aid of these benchmark points we discuss how the NMSSM Higgs boson near 125 GeV may be distinguished from the SM Higgs boson in future LHC searches.

Item Type: Article
ISSNs: 0550-3213 (print)
0550-3213 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
Divisions: Faculty of Physical Sciences and Engineering > Physics and Astronomy > Theoretical Partical Physics Group
ePrint ID: 338135
Date Deposited: 10 May 2012 08:56
Last Modified: 27 Mar 2014 20:21
URI: http://eprints.soton.ac.uk/id/eprint/338135

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