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《中国物理C》(英文)编辑部
2024年10月30日

Study for Unified Preen Models

  • Two grand unified preon models with light quarks and leptons are presented.All these models have natural family structure at the composite level.One of them can give very low metacolor scale,ΛMC~104GeV.It is argued that the best choice for metacolor group is SU(4) and for unification group is SU(9).
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  • [1] L. Lyons, Progress in Particle and Nuclear Physics, 10(1983), 227;W. Buchmullet, CERN preprint, CERN-TH 4189-85(1985).[2] J. M. Gipson, Y. Tosa, and R. E. Marshak; Phys. Rev., D32(1985), 284.V. Silverira and A. Zee, Phys. Lett., 157B(1985), 191;C. Q. GENG and R. E. Marshak, Phys. Rev., D32(1987), 2278;Z. Phys., C33(1987), 513.Y. Okamoto and R. E. Marshak, Phys. Lett., 162B(1985), 333.[3] H. Georgi, Nucl. Phyr., B266(1986), 274.[4] Gongru Lu, Bing-Lin Young, Xinmin Zhang and Lingde Wan, Phys, Rev., D40(1989), 223.[5] Gongru Lu, Bing-Lin Young and Xinmin Zhang, Mod. Phys. Lett. A, Vol. 5(1990), 531.[6] D. Gonzales, Phys. Lett., 129B(1983), 213.[7] S. Fajfer and D. Tadic, Phys. Rev., D35(1987), 361.[8] Du Dongsheng, Lu Gongru, Some Possible Grand Unified Preon Models with Light Quarks and Leptons.[9] G. 'tHooft, in Recent Developments in Gauge Theories, (argese 1979, eds. by G. tHooft et. al (Plenum, New York and London).[10] R. D. Pecent, The Mass Problem and the lssue of Compositeness, DESY 87-OSO, May 1987.[11] X. Li and R. E. Marshak, Nucl. Phys., B236(1986), 383.[12] Y. P. Kuang and S. H. H. Tye, Phys. Rev., D26(1982), 1718.[13] H. Georgi, Nucl. Phys., B156(1979), 126.[14] J. Steinberget, Talk given at the TeV Physics Workshop, Beijing, May 1990.[15] P. Q. Hung, Fermilab-PUB-87/156-T, Oct. 1987.
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Get Citation
WAN Ling-De, LU Gong-Ru and DU Dong-Sheng. Study for Unified Preen Models[J]. Chinese Physics C, 1991, 15(6): 510-517.
WAN Ling-De, LU Gong-Ru and DU Dong-Sheng. Study for Unified Preen Models[J]. Chinese Physics C, 1991, 15(6): 510-517. shu
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Revised: 1900-01-01
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Study for Unified Preen Models

    Corresponding author: WAN Ling-De,
  • Department of Physics,Henan Normal University,Xinxiang 4530021 Institute of High Energy Physics,Academia Sinica,Beijing 100039

Abstract: Two grand unified preon models with light quarks and leptons are presented.All these models have natural family structure at the composite level.One of them can give very low metacolor scale,ΛMC~104GeV.It is argued that the best choice for metacolor group is SU(4) and for unification group is SU(9).

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