Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale
We study the NMSSM with universal Susy breaking terms (besides the Higgs sector) at the GUT scale. Within this constrained parameter space, it is not difficult to find a Higgs boson with a mass of about 125 GeV and an enhanced cross-section in the diphoton channel. An additional lighter Higgs boson...
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| Format: | Article |
| Language: | English |
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Wiley
2012-01-01
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| Series: | Advances in High Energy Physics |
| Online Access: | http://dx.doi.org/10.1155/2012/625389 |
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| _version_ | 1832560973263667200 |
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| author | Ulrich Ellwanger Cyril Hugonie |
| author_facet | Ulrich Ellwanger Cyril Hugonie |
| author_sort | Ulrich Ellwanger |
| collection | DOAJ |
| description | We study the NMSSM with universal Susy breaking terms (besides the Higgs
sector) at the GUT scale. Within this constrained parameter space, it is not difficult
to find a Higgs boson with a mass of about 125 GeV and an enhanced cross-section in
the diphoton channel. An additional lighter Higgs boson with reduced couplings and a
mass ≲ 123 GeV is potentially observable at the LHC. The NMSSM-specific Yukawa
couplings λ and κ are relatively large and tan β is small, such that λ, κ, and the top
Yukawa coupling are of 𝒪(1) at the GUT scale. The lightest stop can be as light
as 105 GeV, and the fine-tuning is modest. WMAP constraints can be satisfied by
a dominantly Higgsino-like LSP with substantial bino, wino, and singlino admixtures
and a mass of ~60–90 GeV, which would potentially be detectable by XENON100. |
| format | Article |
| id | doaj-art-dc44f60fd9c541e7b3a9367e4e678255 |
| institution | Kabale University |
| issn | 1687-7357 1687-7365 |
| language | English |
| publishDate | 2012-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in High Energy Physics |
| spelling | doaj-art-dc44f60fd9c541e7b3a9367e4e6782552025-02-03T01:26:15ZengWileyAdvances in High Energy Physics1687-73571687-73652012-01-01201210.1155/2012/625389625389Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT ScaleUlrich Ellwanger0Cyril Hugonie1LPT, UMR 8627 CNRS, Université de Paris-Sud, 91405 Orsay, FranceLUPM, UMR 5299 CNRS, Université de Montpellier II, 34095 Montpellier, FranceWe study the NMSSM with universal Susy breaking terms (besides the Higgs sector) at the GUT scale. Within this constrained parameter space, it is not difficult to find a Higgs boson with a mass of about 125 GeV and an enhanced cross-section in the diphoton channel. An additional lighter Higgs boson with reduced couplings and a mass ≲ 123 GeV is potentially observable at the LHC. The NMSSM-specific Yukawa couplings λ and κ are relatively large and tan β is small, such that λ, κ, and the top Yukawa coupling are of 𝒪(1) at the GUT scale. The lightest stop can be as light as 105 GeV, and the fine-tuning is modest. WMAP constraints can be satisfied by a dominantly Higgsino-like LSP with substantial bino, wino, and singlino admixtures and a mass of ~60–90 GeV, which would potentially be detectable by XENON100.http://dx.doi.org/10.1155/2012/625389 |
| spellingShingle | Ulrich Ellwanger Cyril Hugonie Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale Advances in High Energy Physics |
| title | Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale |
| title_full | Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale |
| title_fullStr | Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale |
| title_full_unstemmed | Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale |
| title_short | Higgs Bosons Near 125 GeV in the NMSSM with Constraints at the GUT Scale |
| title_sort | higgs bosons near 125 gev in the nmssm with constraints at the gut scale |
| url | http://dx.doi.org/10.1155/2012/625389 |
| work_keys_str_mv | AT ulrichellwanger higgsbosonsnear125gevinthenmssmwithconstraintsatthegutscale AT cyrilhugonie higgsbosonsnear125gevinthenmssmwithconstraintsatthegutscale |