ITP OpenIR  > SCI期刊论文
Guo, Jun; Li, Jinmian1; Li, Tianjun2,3; Zhang, Rao1
Boosted Higgs boson jet reconstruction via a graph neural network
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractBy representing each collider event as a point cloud, we adopt the graphic convolutional network (GCN) with focal loss to reconstruct the Higgs jet in it. This method provides higher Higgs tagging efficiency and better reconstruction accuracy than the traditional methods, which use jet substructure information. The GCN, which is trained on events of the H + jets process, is capable of detecting a Higgs jet in events of several different processes, even though the performance degrades when there are boosted heavy particles other than the Higgs boson in the event. We also demonstrate the signal and background discrimination capacity of the GCN by applying it to the t (t) over bar process. Taking the outputs of the network as new features to complement the traditional jet substructure variables, the t (t) over bar events can be separated further from the H + jets events.
2021
ISSN2470-0010
Volume103Issue:11Pages:116025
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.103.116025
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27279
CollectionSCI期刊论文
Affiliation1.Jiangxi Normal Univ, Dept Phys, Nanchang 330022, Jiangxi, Peoples R China
2.Sichuan Univ, Coll Phys, Chengdu 610065, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Jun,Li, Jinmian,Li, Tianjun,et al. Boosted Higgs boson jet reconstruction via a graph neural network[J]. PHYSICAL REVIEW D,2021,103(11):116025.
APA Guo, Jun,Li, Jinmian,Li, Tianjun,&Zhang, Rao.(2021).Boosted Higgs boson jet reconstruction via a graph neural network.PHYSICAL REVIEW D,103(11),116025.
MLA Guo, Jun,et al."Boosted Higgs boson jet reconstruction via a graph neural network".PHYSICAL REVIEW D 103.11(2021):116025.
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