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Li, B4; Han, ZL; Liao, Y2,3
Higgs production at future e(+)e(-) colliders in the Georgi-Machacek model
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词ELECTROWEAK SYMMETRY-BREAKING RADIATIVE-CORRECTIONS MASSLESS PARTICLES BROKEN SYMMETRIES BOSON PRODUCTION STANDARD-MODEL E+E-COLLIDERS GAUGE BOSONS COUPLINGS PHYSICS
摘要We study how the dominant single and double SM-like Higgs (h) production at future e(+)e(-) colliders is modified in the Georgi-Machacek (GM) model. On imposing theoretical, indirect and direct constraints, significant deviations of h-couplings from their SM values are still possible; for instance, the Higgs-gauge coupling can be corrected by a factor kappa(hVV) is an element of [0.93; 1.15] in the allowed parameter space. For the Higgs-strahlung e(+)e(-) -> hZ and vector boson fusion processes e(+)e(-) -> h nu(nu) over bar; he(+)e(-), the cross section could increase by 32% or decrease by 13%. In the case of associated production with a top quark pair e(+)e(-) -> ht (t) over bar, the cross section can be enhanced up to several times when the custodial triplet scalar H-3(0) is resonantly produced. In the meanwhile, the double Higgs production e(+)e(-) -> hhZ (hh nu(nu) over bar) can be maximally enhanced by one order of magnitude at the resonant H-1,3(0) production. We also include exclusion limits expected from future LHC runs at higher energy and luminosity and discuss their further constraints on the relevant model parameters. We find that the GM model can result in likely measurable deviations of Higgs production from the SM at future e(+)e(-) colliders.
2018
ISSN1029-8479
期号2页码:7
学科领域Physics
学科门类Physics, Particles & Fields
DOI10.1007/JHEP02(2018)007
收录类别SCIE
引用统计
被引频次:2[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/311006/22970
专题理论物理所科研产出_SCI论文
作者单位1.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
2.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
5.Peking Univ, Sch Phys, Beijing 100871, Peoples R China
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Li, B,Han, ZL,Liao, Y. Higgs production at future e(+)e(-) colliders in the Georgi-Machacek model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2018(2):7.
APA Li, B,Han, ZL,&Liao, Y.(2018).Higgs production at future e(+)e(-) colliders in the Georgi-Machacek model.JOURNAL OF HIGH ENERGY PHYSICS(2),7.
MLA Li, B,et al."Higgs production at future e(+)e(-) colliders in the Georgi-Machacek model".JOURNAL OF HIGH ENERGY PHYSICS .2(2018):7.
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