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Bian, LG; Liu, D1,2; Shu, J1,2,3; Zhang, YC
Interference effect on resonance studies in searches of heavy particles
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
Language英语
KeywordSignal-background interference ATLAS DETECTOR W ' boson PP COLLISIONS LHC Run II ROOT-S=8 TEV heavy particle searches HIGGS-BOSON VIOLATION SYMMETRY MODEL
AbstractThe interference between resonance signal and continuum background can be either constructive or destructive, depending on the relative sign of couplings between the signal and background amplitudes. Different interference schemes lead to asymmetric distortions of the resonance line shape, which could be distinguished in experiments, when the internal resonance width is larger than the detector resolution. Interpreting the ATLAS diboson excesses by means of a toy W' model as an illustrative example (though it is disfavored by the 13 TeV data), we find that the signs of resonance couplings can only be revealed in the line shape measurements up to a high confidence level at a high luminosity, which could bring us further information on the underlying theory beyond resonance searches at future lepton and hadron colliders.
2016
Volume31Issue:14-15Pages:1650083
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S0217751X16500834
Indexed BySCI
Funding OrganizationFundamental Research Funds for the Central Universities [0903005203404] ; IISN ; Belgian Science Policy [IAP VII/37]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23186
Collection理论物理所科研产出_SCI论文
Affiliation1.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China
2.Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Beijing 100190, Peoples R China
4.CAS Ctr Excellence Particle Phys, Beijing 100049, Peoples R China
5.Univ Libre Bruxelles, Serv Phys Theor, Blvd Triomphe,CP225, B-1050 Brussels, Belgium
Recommended Citation
GB/T 7714
Bian, LG,Liu, D,Shu, J,et al. Interference effect on resonance studies in searches of heavy particles[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2016,31(14-15):1650083.
APA Bian, LG,Liu, D,Shu, J,&Zhang, YC.(2016).Interference effect on resonance studies in searches of heavy particles.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,31(14-15),1650083.
MLA Bian, LG,et al."Interference effect on resonance studies in searches of heavy particles".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 31.14-15(2016):1650083.
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