DISCRETE SYMMETRY AND <EM>SU</EM>(N) GRAND UNIFIED MODELS

WAN Ling-De; LU Gong-Ru; DU Dong-Sheng

Chinese Physics C> 1984, Vol. 8> Issue(5) : 554-572

DISCRETE SYMMETRY AND SU(N) GRAND UNIFIED MODELS

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Abstract：
Using discrete symmetry S, a systematic analysis of all possible GUT models based on the low rank group SU(N)×S is presented. It is found that only SU(7)×S and SU(8)×S are the satisfactory gauge groups of flavour grand unification. In addition, SU(7)×S and SU(8)×S models are discussed in detail. All these models can accommodate. four generations of ordinary fermions and preserve the asympotic freedom of SU_c(3).

References

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H. Georgi, S. L. Glashow, Phys. Rev. Lett., 32 (1974) , 438.[2] H. Georgi, Nucl. Phys., B156 (1979), 126.[3] 马中骇、杜东生、岳宗五、薛不友, 中国科学, 4(1981), 415.[4] 杜东生、马中骇、薛王友, scientia sinica, A25(1982),51.[5] 章义朋、周咸建、薛不友, 中国科学, 1(1983), 48.[6] 江向东, 高能物理与核物理, 8(1984), 272.[7] Paul, Langacker, Phys. Repot., 72 (1981), 185[8] S. Weinberg, Phys. Rev. Lett., 19 (1967), 1264.

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WAN Ling-De, LU Gong-Ru and DU Dong-Sheng. DISCRETE SYMMETRY AND SU(N) GRAND UNIFIED MODELS[J]. Chinese Physics C, 1984, 8(5): 554-572.

WAN Ling-De, LU Gong-Ru and DU Dong-Sheng. DISCRETE SYMMETRY AND SU(N) GRAND UNIFIED MODELS[J]. Chinese Physics C, 1984, 8(5): 554-572. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

DISCRETE SYMMETRY AND SU(N) GRAND UNIFIED MODELS

Corresponding author: WAN Ling-De,

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1984-10-05

Abstract: Using discrete symmetry S, a systematic analysis of all possible GUT models based on the low rank group SU(N)×S is presented. It is found that only SU(7)×S and SU(8)×S are the satisfactory gauge groups of flavour grand unification. In addition, SU(7)×S and SU(8)×S models are discussed in detail. All these models can accommodate. four generations of ordinary fermions and preserve the asympotic freedom of SU_c(3).