Phenomenology of NMSSM in TeV scale mirage mediation

Kei Hagimoto, Tatsuo Kobayashi, Hiroki Makino, Ken ichi Okumura, Takashi Shimomura

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We study the next-to-minimal supersymmetric standard model (NMSSM) with the TeV scale mirage mediation, which is known as a solution for the little hierarchy problem in supersymmetry. Our previous study showed that 125 GeV Higgs boson is realized with (Formula presented.) (10)% fine-tuning for 1.5 TeV gluino (1 TeV stop) mass. The μ term could be as large as 500 GeV without sacrificing the fine-tuning thanks to a cancellation mechanism. The singlet-doublet mixing is suppressed by tan β. In this paper, we further extend this analysis. We argue that approximate scale symmetries play a role behind the suppression of the singlet-doublet mixing. They reduce the mixing matrix to a simple form that is useful to understand the results of the numerical analysis. We perform a comprehensive analysis of the fine-tuning including the singlet sector by introducing a simple formula for the fine-tuning measure. This shows that the singlet mass of the least fine-tuning is favored by the LEP anomaly for moderate tan β. We also discuss prospects for the precision measurements of the Higgs couplings at LHC and ILC and direct/indirect dark matter searches in the model.

Original languageEnglish
Article number89
Pages (from-to)1-49
Number of pages49
JournalJournal of High Energy Physics
Volume2016
Issue number2
DOIs
Publication statusPublished - Feb 1 2016

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mediation
phenomenology
tuning
Higgs bosons
cancellation
hierarchies
numerical analysis
supersymmetry
dark matter
sectors
retarding
anomalies
symmetry
matrices

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Hagimoto, K., Kobayashi, T., Makino, H., Okumura, K. I., & Shimomura, T. (2016). Phenomenology of NMSSM in TeV scale mirage mediation. Journal of High Energy Physics, 2016(2), 1-49. [89]. https://doi.org/10.1007/JHEP02(2016)089

Phenomenology of NMSSM in TeV scale mirage mediation. / Hagimoto, Kei; Kobayashi, Tatsuo; Makino, Hiroki; Okumura, Ken ichi; Shimomura, Takashi.

In: Journal of High Energy Physics, Vol. 2016, No. 2, 89, 01.02.2016, p. 1-49.

Research output: Contribution to journalArticle

Hagimoto, K, Kobayashi, T, Makino, H, Okumura, KI & Shimomura, T 2016, 'Phenomenology of NMSSM in TeV scale mirage mediation', Journal of High Energy Physics, vol. 2016, no. 2, 89, pp. 1-49. https://doi.org/10.1007/JHEP02(2016)089
Hagimoto K, Kobayashi T, Makino H, Okumura KI, Shimomura T. Phenomenology of NMSSM in TeV scale mirage mediation. Journal of High Energy Physics. 2016 Feb 1;2016(2):1-49. 89. https://doi.org/10.1007/JHEP02(2016)089
Hagimoto, Kei ; Kobayashi, Tatsuo ; Makino, Hiroki ; Okumura, Ken ichi ; Shimomura, Takashi. / Phenomenology of NMSSM in TeV scale mirage mediation. In: Journal of High Energy Physics. 2016 ; Vol. 2016, No. 2. pp. 1-49.
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