ITP OpenIR  > SCI期刊论文
Gu, JY; Li, HL; Liu, Z4; Su, SF; Su, W5,6
Learning from Higgs physics at future Higgs factories
KeywordBoson Couplings Model Sector

Future Higgs factories can reach impressive precision on Higgs property measurements. In this paper, instead of conventional focus of Higgs precision in certain interaction bases, we explore its sensitivity to new physics models at the electron-positron colliders. In particular, we study two categories of new physics models, Standard Model (SM) with a real scalar singlet extension, and Two Higgs Double Model (2HDM) as examples of weakly-interacting models, Minimal Composite Higgs Model (MCHM) and three typical patterns of the more general operator counting for strong interacting models as examples of strong dynamics. We perform a global fit to various Higgs search channels to obtain the 95% C.L. constraints on the model parameter space. In the SM with a singlet extension, we obtain the limits on the singlet-doublet mixing angle sin theta, as well as the more general Wilson coefficients of the induced higher dimensional operators. In the 2HDM, we analyze tree level effects in tan beta vs. cos(beta-alpha) plane, as well as the one-loop contributions from the heavy Higgs bosons in the alignment limit to obtain the constraints on heavy Higgs masses for different types of 2HDM. In strong dynamics models, we obtain lower limits on the strong dynamics scale. In addition, once deviations of Higgs couplings are observed, they can be used to distinguish different models. We also compare the sensitivity of various future Higgs factories, namely Circular Electron Positron Collider (CEPC), Future Circular Collider (FCC)-ee and International Linear Collider (ILC).

Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
Indexed BySCIE
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Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Univ Jinan, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
2.DESY, Notkestr 85, D-22607 Hamburg, Germany
3.Chinese Acad Sci, Inst High Energy Phys, Ctr Future High Energy Phys, 19B YuquanLu, Beijing 100049, Peoples R China
4.Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
5.Fermilab Natl Accelerator Lab, Theoret Phys Dept, Batavia, IL 60510 USA
6.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
7.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Gu, JY,Li, HL,Liu, Z,et al. Learning from Higgs physics at future Higgs factories[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(12):153.
APA Gu, JY,Li, HL,Liu, Z,Su, SF,&Su, W.(2017).Learning from Higgs physics at future Higgs factories.JOURNAL OF HIGH ENERGY PHYSICS(12),153.
MLA Gu, JY,et al."Learning from Higgs physics at future Higgs factories".JOURNAL OF HIGH ENERGY PHYSICS .12(2017):153.
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