ITP OpenIR  > SCI期刊论文
Ren, Jie1,2,3; Wu, Lei1; Yang, Jin Min2,3,4
Unveiling CP property of top-Higgs coupling with graph neural networks at the LHC
Source PublicationPHYSICS LETTERS B
Language英语
KeywordBOSON MODEL
AbstractThe top-Higgs coupling plays an important role in particle physics and cosmology. The precision measurements of this coupling can provide an insight to new physics beyond the Standard Model. In this paper, we propose to use Message Passing Neural Network (MPNN) to reveal the CP nature of top-Higgs interaction through semi-leptonic channel pp -> t(-> bl(-) v(l))(t) over bar(->(b) over bar jj)h(-> b (b) over bar). Using the test statistics constructed from the event classification probabilities given by the MPNN, we find that the pure CP-even and CP-odd components can be well distinguished at the LHC, with at most 300 fb(-1) experimental data. (C) 2020 The Authors. Published by Elsevier B.V.
2020
ISSN0370-2693
Volume802Pages:135198
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
DOI10.1016/j.physletb.2020.135198
Indexed BySCIE
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27128
CollectionSCI期刊论文
Affiliation1.Nanjing Normal Univ, Dept Phys, Nanjing 210023, Peoples R China
2.Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, 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, Beijing 100049, Peoples R China
5.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
Recommended Citation
GB/T 7714
Ren, Jie,Wu, Lei,Yang, Jin Min. Unveiling CP property of top-Higgs coupling with graph neural networks at the LHC[J]. PHYSICS LETTERS B,2020,802:135198.
APA Ren, Jie,Wu, Lei,&Yang, Jin Min.(2020).Unveiling CP property of top-Higgs coupling with graph neural networks at the LHC.PHYSICS LETTERS B,802,135198.
MLA Ren, Jie,et al."Unveiling CP property of top-Higgs coupling with graph neural networks at the LHC".PHYSICS LETTERS B 802(2020):135198.
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