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Little Higgs theory confronted with the LHC Higgs data
Han, XF; Wang, L; Yang, JM; Zhu, JY; Han, XF (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
2013
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号87期号:5页码:55004
摘要We confront the little Higgs theory with the LHC Higgs search data (up to 17 fb(-1) of the combined 7 and 8 TeV run). Considering some typical models, namely, the littlest Higgs model, the littlest Higgs model with T parity (LHT-A and LHT-B), and the simplest little Higgs model, we scan over the parameter space in the region allowed by current experiments. We find that in these models the inclusive and exclusive (via gluon-gluon fusion) diphoton and ZZ* signal rates of the Higgs boson are always suppressed and approach the standard model predictions for a large-scale f. Thus, the ZZ* signal rate is within the 1 sigma range of the experimental data while the inclusive diphoton signal rate is always outside the 2 sigma range. Especially, in the LHT-A the diphoton signal rate is outside the 3 sigma range of the experimental data for f < 800 GeV. We also perform a global chi(2) fit to the available LHC and Tevatron Higgs data, and find that these models provide no better global fit to the whole data set (only for some special channels a better fit can be obtained, especially in the LHT-B). DOI: 10.1103/PhysRevD.87.055004
部门归属[Han, Xiao-Fang; Wang, Lei] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China; [Yang, Jin Min; Zhu, Jingya] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Standard Model Boson Particle Physics Decays Signal Flavor Nmssm Mssm Mass
学科领域Physics
资助者National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151]
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151] ; National Natural Science Foundation of China (NNSFC) [11105116, 11005089, 11275245, 10821504, 11135003, 11175151]
WOS记录号WOS:000315737200007
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被引频次:36[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/311006/15403
专题理论物理所SCI论文
通讯作者Han, XF (reprint author), Yantai Univ, Dept Phys, Yantai 264005, Peoples R China.
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Han, XF,Wang, L,Yang, JM,et al. Little Higgs theory confronted with the LHC Higgs data[J]. PHYSICAL REVIEW D,2013,87(5):55004.
APA Han, XF,Wang, L,Yang, JM,Zhu, JY,&Han, XF .(2013).Little Higgs theory confronted with the LHC Higgs data.PHYSICAL REVIEW D,87(5),55004.
MLA Han, XF,et al."Little Higgs theory confronted with the LHC Higgs data".PHYSICAL REVIEW D 87.5(2013):55004.
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