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Top SU(5) models: Baryon and lepton number violating resonances at the LHC
Chakdar, S; Li, TJ; Nandi, S; Rai, SK; Chakdar, S (reprint author), Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA.
2013
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号87期号:9页码:96002
摘要We propose minimal and renormalizable nonsupersymmetric top SU(5) models where the SU(5)(C) X SU(3)'(C) X SU(2)'(L) X U(1)'(Y) gauge symmetry is broken down to the Standard Model gauge symmetry at the TeV scale. The first two families of the Standard Model fermions are charged under SU(3)'C X SU(2)'(L) X U(1)'(Y), while the third family is charged under SU(5). In the minimal top SU(5) model, we show that the quark Cabibbo-Kobayashi-Maskawa mixing matrix can be generated via dimension-five operators, and the proton decay problem can be solved by fine-tuning the coefficients of the higher-dimensional operators at the order of 10(-4). In the renormalizable top SU(5) model, we can explain the quark Cabibbo-Kobayashi-Maskawa mixing matrix by introducing vectorlike particles, and we do not have the proton decay problem. The models give rise to leptoquark and diquark gauge bosons which violate both lepton and baryon numbers involving the third-family quarks and leptons. The current experimental limits for these particles is well below the TeV scale. We also discuss the productions and decays of these new gauge bosons, and their ensuing signals, as well as their reach at the LHC.
部门归属[Chakdar, Shreyashi; Nandi, S.] Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA; [Chakdar, Shreyashi; Nandi, S.] Oklahoma State Univ, Oklahoma Ctr High Energy Phys, Stillwater, OK 74078 USA; [Li, Tianjun] Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Li, Tianjun] Chinese Acad Sci, Inst Theoret Phys, KITPC, Beijing 100190, Peoples R China; [Li, Tianjun] Texas AM Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA; [Rai, Santosh Kumar] Harish Chandra Res Inst, Reg Ctr Accelerator Based Particle Phys, Allahabad 211019, Uttar Pradesh, India
关键词Gauge Symmetries 3rd Family Quark Forces Color Unity
学科领域Physics
资助者Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India
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收录类别SCI
语种英语
资助者Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India ; Natural Science Foundation of China [10821504, 11075194, 11135003]; United States Department of Energy [DE-FG03-95-Er-40917, DE-FG02-04ER41306]; Department of Atomic Energy, Government of India
WOS记录号WOS:000318474300004
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15368
专题理论物理所SCI论文
通讯作者Chakdar, S (reprint author), Oklahoma State Univ, Dept Phys, Stillwater, OK 74078 USA.
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Chakdar, S,Li, TJ,Nandi, S,et al. Top SU(5) models: Baryon and lepton number violating resonances at the LHC[J]. PHYSICAL REVIEW D,2013,87(9):96002.
APA Chakdar, S,Li, TJ,Nandi, S,Rai, SK,&Chakdar, S .(2013).Top SU(5) models: Baryon and lepton number violating resonances at the LHC.PHYSICAL REVIEW D,87(9),96002.
MLA Chakdar, S,et al."Top SU(5) models: Baryon and lepton number violating resonances at the LHC".PHYSICAL REVIEW D 87.9(2013):96002.
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