Splitting Triplet and Doublet in Extra Dimensions
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概要
- 論文の詳細を見る
A novel mechanism to realize the triplet-doublet splitting in supersymmetric SU(5) grand unified theories is proposed in the framework of higher-dimensional theories, where chiral multiplets are localized due to the kink configuration of a SU(5) singlet. An adjoint Higgs field that spontaneously breaks the SU(5) gauge symmetry is assumed to be involved in the localization process, splitting the wave functions of the color-triplet Higgs from its doublet counterpart. The resulting effective four-dimensional theory does not possess manifest SU(5) invariance. By adjusting couplings, the doublet mass can be exponentially suppressed. We also show that dimension-five proton decay from triplet Higgs exchange can be suppressed to a negligible level.
- 理論物理学刊行会の論文
- 2002-02-25
著者
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YAMAGUCHI Masahiro
Department of Circuits and Systems, Faculty of Engineering, Hiroshima University
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Yamaguchi M
Department Of Physics Tohoku University
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KAKIZAKI Mitsuru
Department of Physics, Tohoku University
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Yamaguchi Masahiro
Department Of Cardiothoracic Surgery Kobe Children's Hospital
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Kakizaki Mitsuru
Department Of Physics
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