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Cao, JJ; Heng, ZX; Li, DW; Shang, LL; Wu, PW; Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxing 453007, Peoples R China.
Higgs-strahlung production process e(+)e(-) -> Zh at the future Higgs factory in the Minimal Dilaton Model
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordTechni-dilaton Lhc Boson Search Mssm Nmssm
AbstractWe investigate the Higgs-strahlung production process e(+)e(-) -> Zh at the future Higgs factory such as TLEP by including radiative corrections in the Minimal Dilaton Model (MDM), which extends the SM by one singlet scalar called dilaton. We consider various theoretical and experimental constraints on the model, and perform fits to the Higgs data taken from ATLAS, CMS and CDF+D0. Then for the 1 sigma surviving samples, we calculate the MDM predictions on the inclusive production rate sigma(e(+)e(-) -> Zh) at the 240-GeV Higgs factory, and also the signal rates of e(+)e(-) -> Zh with the Higgs boson decaying to b (b) over bar and gamma gamma. We have following observations: (1) In the heavy dilaton scenario, the deviation of sigma(e(+)e(-) -> Zh) from its SM prediction can vary from -15% to 85%, which mainly arises from the modification of the tree-level hZZ coupling and also the radiative correction induced by possibly large Higgs self-couplings. (2) The processes e(+)e(-) -> Zh at the Higgs factory and pp -> hh at 14-TeV LHC are complementary in limiting the MDM parameter space. Requiring the deviation of sigma(e(+)e(-) -> Zh) from its SM prediction to be less than 1% and that of sigma(pp -> hh) to be less than 50%, tan theta(S) in the MDM will be limited to be -0.1 < tan theta (S) < 0.3, and the deviations of the signal rates are constrained to be vertical bar R-b<(b)over bar>vertical bar < 2% and vertical bar R-gamma gamma vertical bar < 7%. Especially, the Higgs self-coupling normalized to its SM prediction is now upper bounded by about 4. (3) In the light dilaton scenario, the deviation of sigma(e(+)e(-) -> Zh) may reach -7%, and requiring its size to be less than 1% will result in 0 < tan theta(S) < 0.1, and -10% < R-b<(b)over bar>, R-gamma gamma < 1%.
2014
ISSN1029-8479
Issue8Pages:138
Subject AreaPhysics
DOI10.1007/JHEP08(2014)138
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11305050]; Program for New Century Excellent Talents in University; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11305050]; Program for New Century Excellent Talents in University; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11305050]; Program for New Century Excellent Talents in University; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11305050]; Program for New Century Excellent Talents in University; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]; Specialized Research Fund for the Doctoral Program of Higher Education [20124104120001]
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15671
Collection理论物理所科研产出_SCI论文
Corresponding AuthorCao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxing 453007, Peoples R China.
Recommended Citation
GB/T 7714
Cao, JJ,Heng, ZX,Li, DW,et al. Higgs-strahlung production process e(+)e(-) -> Zh at the future Higgs factory in the Minimal Dilaton Model[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(8):138.
APA Cao, JJ,Heng, ZX,Li, DW,Shang, LL,Wu, PW,&Cao, JJ .(2014).Higgs-strahlung production process e(+)e(-) -> Zh at the future Higgs factory in the Minimal Dilaton Model.JOURNAL OF HIGH ENERGY PHYSICS(8),138.
MLA Cao, JJ,et al."Higgs-strahlung production process e(+)e(-) -> Zh at the future Higgs factory in the Minimal Dilaton Model".JOURNAL OF HIGH ENERGY PHYSICS .8(2014):138.
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