Possible Structures of Gauge Hierarchies in the SU(L) Unification
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概要
- 論文の詳細を見る
Possible structures of the gauge hierarchy of interactions are investigated for grand unification models, especially for the SU(L) model. Sevaral sum rules are derived, which are relations between α,α_s, sin^2θ_W and possible threshold masses M_i of new interactions. These sum rules reveal clearly and quantitatively correlations between the enlargement of the colour group and that of the flavour one. By applying these sum rules, possible steps of enlargement and the corresponding threshold masses M_i are analyzed numerically. The modified SU(L) model with sin^2θ_W≠3/8 at the unification mass is also discussed, which involves new quarks with charge Q≠n/3 and /or new leptons with fractional charge.
- 理論物理学刊行会の論文
- 1980-07-25
著者
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Umemura Isao
Department Of Nuclear Engineering Faculty Of Engineering Kyoto University
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YAMAMOTO Katsuji
Department of Nuclear Engineering Kyoto University
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UEMURA Isao
Department of Nuclear Engineering Kyoto University
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YAMAMOTO Katsuji
Institute of Field Physics, Department of Physics and Astronomy University of North Carolina
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UMEMURA Isao
Department of Nuclear Engineering, Faculty of Engineering Kyoto University
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