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Unification of SUSY breaking and GUT breaking

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Title: Unification of SUSY breaking and GUT breaking
Authors: Kobayashi, Tatsuo Browse this author →KAKEN DB
Omura, Yuji Browse this author
Keywords: Supersymmetry Breaking
Beyond Standard Model
Extended Supersymmetry
Gauge Symmetry
Issue Date: 18-Feb-2015
Publisher: Springer
Journal Title: Journal of high energy physics
Volume: 2015
Issue: 2
Start Page: 114
Publisher DOI: 10.1007/JHEP02(2015)114
Abstract: We build explicit supersymmetric unification models where grand unified gauge symmetry breaking and supersymmetry (SUSY) breaking are caused by the same sector. Besides, the SM-charged particles are also predicted by the symmetry breaking sector, and they give the soft SUSY breaking terms through the so-called gauge mediation. We investigate the mass spectrums in an explicit model with SU(5) and additional gauge groups, and discuss its phenomenological aspects. Especially, nonzero A-term and B-term are generated at one-loop level according to the mediation via the vector superfields, so that the electro-weak symmetry breaking and 125 GeV Higgs mass may be achieved by the large B-term and A-term even if the stop mass is around 1 TeV.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小林 達夫

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