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题名: Interference effect on resonance studies in searches of heavy particles
作者: Bian, LG ;  Liu, D ;  Shu, J ;  Zhang, YC
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS A
出版日期: 2016
卷号: 31, 期号:14-15, 页码:1650083
关键词: Signal-background interference ;  W ' boson ;  LHC Run II ;  heavy particle searches
学科分类: Physics
DOI: http://dx.doi.org/10.1142/S0217751X16500834
通讯作者: Bian, LG (reprint author), Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China. ;  Bian, LG (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China. ;  Bian, LG (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The 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.
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: ATLAS DETECTOR ;  PP COLLISIONS ;  ROOT-S=8 TEV ;  HIGGS-BOSON ;  VIOLATION ;  SYMMETRY ;  MODEL
收录类别: SCI
项目资助者: Fundamental Research Funds for the Central Universities [0903005203404] ;  IISN ;  Belgian Science Policy [IAP VII/37]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21642
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
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.
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