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Bian, LG; Shu, J; Zhang, YC; Bian, LG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordBeyond Standard Model Standard Model
AbstractThe W W production is the primary channel to directly probe the triple gauge couplings. We first analyze the e (+) e (-) -> W (+) W (-) process at the future lepton collider, China's proposed Circular Electron-Positron Collider (CEPC). We use the five kinematical angles in this process to constrain the anomalous triple gauge couplings and relevant dimension six operators at the CEPC up to the order of magnitude of 10(-4). The most sensible information is obtained from the distributions of the production scattering angle and the decay azimuthal angles. We also estimate constraints at the 14 TeV LHC, with both 300 fb(-1) and 3000 fb(-1) integrated luminosity from the leading lepton p (T) and azimuthal angle difference Delta I center dot (ll) distributions in the di-lepton channel. The constrain is somewhat weaker, up to the order of magnitude of 10(-3). The limits on the triple gauge couplings are complementary to those on the electroweak precision observables and Higgs couplings. Our results show that the gap between sensitivities of the electroweak and triple gauge boson precision can be significantly decreased to less than one order of magnitude at the 14 TeV LHC, and that both the two sensitivities can be further improved at the CEPC.
2015
Issue9Pages:206
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/JHEP09(2015)206
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/20850
Collection理论物理所科研产出_SCI论文
Corresponding AuthorBian, LG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Bian, LG,Shu, J,Zhang, YC,et al. Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(9):206.
APA Bian, LG,Shu, J,Zhang, YC,&Bian, LG .(2015).Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC.JOURNAL OF HIGH ENERGY PHYSICS(9),206.
MLA Bian, LG,et al."Prospects for triple gauge coupling measurements at future lepton colliders and the 14 TeV LHC".JOURNAL OF HIGH ENERGY PHYSICS .9(2015):206.
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