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Chen, N; Han, T1,2,3; Su, SF; Su, W4,5,6; Wu, YC
Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordBOSON SEARCH COLLISIONS MASS PAIR
AbstractFuture precision measurements of the Standard Model (SM) parameters at the proposed Z-factories and Higgs factories may have significant impacts on new physics beyond the Standard Model in the electroweak sector. We illustrate this by focusing on the Type-II two Higgs doublet model (Type-II 2HDM). The contributions from the heavy Higgs bosons at the tree-level and at the one-loop level are included in a full model parameter space. We perform a multiple variable global fit and study the extent to which the parameters of non-alignment and non-degenerate masses can be probed by the precision measurements. We find that the allowed parameter ranges are tightly constrained by the future Higgs precision measurements, especially for small and large values of tan . Indirect limits on the masses of heavy Higgs can be obtained, which can be complementary to the direct searches of the heavy Higgs bosons at hadron colliders. We also find that the expected accuracies at the Z-pole and at a Higgs factory are quite complementary in constraining mass splittings of heavy Higgs bosons. The typical results are | cos( - )| < 0.008, |m(phi)| < 200 GeV, and tan approximate to 0.2 - 5. The reaches from CEPC, FCC-ee and ILC are also compared, for both Higgs and Z-pole precision measurements.
2019
ISSN1029-8479
Issue3Pages:23
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1007/JHEP03(2019)023
Indexed BySCIE
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23469
CollectionSCI期刊论文
Affiliation1.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
2.Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA
3.Tsinghua Univ, Dept Phys, Beijing 100086, Peoples R China
4.Collaborat Innovat Ctr Quantum Matter, Beijing 100086, Peoples R China
5.Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
6.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
7.Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China
8.Carleton Univ, Ottawa Carleton Inst Phys, 1125 Colonel Dr, Ottawa, ON K1S 5B6, Canada
Recommended Citation
GB/T 7714
Chen, N,Han, T,Su, SF,et al. Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019(3):23.
APA Chen, N,Han, T,Su, SF,Su, W,&Wu, YC.(2019).Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory.JOURNAL OF HIGH ENERGY PHYSICS(3),23.
MLA Chen, N,et al."Type-II 2HDM under the precision measurements at the Z-pole and a Higgs factory".JOURNAL OF HIGH ENERGY PHYSICS .3(2019):23.
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