| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
The discovery of the Higgs particle with the mass of 125 GeV has impacts on the understanding of the electroweak symmetry breaking and future developments of flavor physics. Within the framework of supersymmetric standard models, we considered viable models giving the observed Higgs particle mass and explored the effects to the flavor physics. In particular we investated an extension of the minimal version of the supersymmetric standard model by adding standard-model gauge singlets. It was shown that the tad-pole problem and others known as difficulties of the singlet extension can be solved by imposing the Peccei-Quinn symmetry. In addition, in a generic class of models with the gauge singlet, we found that the mixing between the singet and the doublet increases the Higgs particle mass to the experimentally measured value, and pointed out some intriguing experimental signatures characteristic to this scenario with some light sparticle.
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