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SU(5) and SO(10) models from F-theory with natural Yukawa couplings
Li, Tianjun; Li, TJ , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
2010
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号81期号:6页码:-
摘要We construct the SU(5) and SO(10) models from F-theory. Turning on the U(1) fluxes, we can break the SU(5) gauge symmetry down to the standard model (SM) gauge symmetry, and break the SO(10) gauge symmetry down to the SU(3)(C) x SU(2)(L) x SU(2)(R) x U(1)(B-L) gauge symmetry. In particular, all the SM fermion Yukawa couplings preserve the enhanced U(1)(a) x U(1)(b) gauge or global symmetries at the triple intersections of the SM fermion and Higgs curves. And the SM fermion masses and mixings can be generated in the presence of background fluxes. In our models, the doublet-triplet splitting problem can be solved naturally. The additional vectorlike particles can obtain heavy masses via the instanton effects or Higgs mechanism and then decouple at the high scale. The SM gauge couplings at the string scale, which are split due to the U(1) flux effects, can be explained by considering heavy threshold corrections from the extra vectorlike particles. Moreover, in the SU(5) model, we have the Yukawa coupling unification for the bottom quark and tau lepton. In the SO(10) models, we have the Yukawa coupling unification for the top and bottom quarks, and the Yukawa coupling unification for the tau lepton and tau neutrino.
部门归属[Li, TJ] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Li, TJ] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
关键词Neutrino-mass
学科领域Physics
资助者Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504]
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资助者Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504] ; Natural Science Foundation of China[10821504]
WOS记录号WOS:000276195700101
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5149
专题理论物理所SCI论文
通讯作者Li, TJ , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China
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Li, Tianjun,Li, TJ , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China. SU(5) and SO(10) models from F-theory with natural Yukawa couplings[J]. PHYSICAL REVIEW D,2010,81(6):-.
APA Li, Tianjun,&Li, TJ , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China.(2010).SU(5) and SO(10) models from F-theory with natural Yukawa couplings.PHYSICAL REVIEW D,81(6),-.
MLA Li, Tianjun,et al."SU(5) and SO(10) models from F-theory with natural Yukawa couplings".PHYSICAL REVIEW D 81.6(2010):-.
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