ITP OpenIR  > 理论物理所2014年知识产出
Pair production of 125 GeV Higgs boson in the SM extension with color-octet scalars at the LHC
Heng, ZX; Shang, LL; Zhang, YM; Zhang, Y; Zhu, JY; Heng, ZX (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
期号2页码:83
摘要Although the Higgs boson mass and single production rate have been determined more or less precisely, its other properties may deviate significantly from its predictions in the standard model (SM) due to the uncertainty of Higgs data. In this work we study the Higgs pair production at the LHC in the Manohar-Wise model, which extends the SM by one family of color-octet and isospin-doublet scalars. We first scanned over the parameter space of the Manohar-Wise model considering experimental constraints and performed fits in the model to the latest Higgs data by using the ATLAS and CMS data separately. Then we calculated the Higgs pair production rate and investigated the potential of its discovery at the LHC14. We conclude that: (i) Under current constrains including Higgs data after Run I of the LHC, the cross section of Higgs pair production in the Manohar-Wise model can be enhanced up to even 10(3) times prediction in the SM. (ii) Moreover, the sizable enhancement comes from the contributions of the CP-odd color-octet scalar . For lighter scalar and larger values of |lambda(I)|, the cross section of Higgs pair production can be much larger. (iii) After running again of LHC at 14 TeV, most of the parameter spaces in the Manohar-Wise model can be test. For an integrated luminosity of 100 fb(-1) at the LHC14, when the normalized ratio R = 10, the process of Higgs pair production can be detected.
部门归属[Heng, Zhaoxia; Shang, Liangliang; Zhang, Yanming; Zhang, Yang] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China; [Zhang, Yang; Zhu, Jingya] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Dark-matter Mass Model Mssm Constraints Cmssm Nmssm Supersymmetry Mu(+)Mu(-) Discovery
学科领域Physics
资助者National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001]
DOI10.1007/JHEP02(2014)083
URL查看原文
收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [11247268, 11305050]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001]
WOS记录号WOS:000331995400001
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被引频次:14[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/311006/15472
专题理论物理所2014年知识产出
通讯作者Heng, ZX (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
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Heng, ZX,Shang, LL,Zhang, YM,et al. Pair production of 125 GeV Higgs boson in the SM extension with color-octet scalars at the LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(2):83.
APA Heng, ZX,Shang, LL,Zhang, YM,Zhang, Y,Zhu, JY,&Heng, ZX .(2014).Pair production of 125 GeV Higgs boson in the SM extension with color-octet scalars at the LHC.JOURNAL OF HIGH ENERGY PHYSICS(2),83.
MLA Heng, ZX,et al."Pair production of 125 GeV Higgs boson in the SM extension with color-octet scalars at the LHC".JOURNAL OF HIGH ENERGY PHYSICS .2(2014):83.
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