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Abdughani, Murat1,2,3; Ren, Jie2,3; Wu, Lei1; Yang, Jin Min2,3,4
Probing stop pair production at the LHC with graph neural networks
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordMEASURING MASSES HADRON
AbstractTop-squarks (stops) play a crucial role for the naturalness of supersymmetry (SUSY). However, searching for the stops is a tough task at the LHC. To dig the stops out of the huge LHC data, various expert-constructed kinematic variables or cutting-edge analysis techniques have been invented. In this paper, we propose to represent collision events as event graphs and use the message passing neutral network (MPNN) to analyze the events. As a proof-of-concept, we use our method in the search of the stop pair production at the LHC, and find that our MPNN can efficiently discriminate the signal and back-ground events. In comparison with other machine learning methods (e.g. DNN), MPNN can enhance the mass reach of stop mass by several tens of GeV to over a hundred GeV.
2019
ISSN1029-8479
Issue8Pages:55
Cooperation Status国际
Subject AreaPhysics
MOST Discipline CataloguePhysics, Particles & Fields
DOI10.1007/JHEP08(2019)055
Indexed BySCIE
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27066
CollectionSCI期刊论文
Affiliation1.Nanjing Normal Univ, Dept Phys, Nanjing 210023, Jiangsu, Peoples R China
2.Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Jiangsu, 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, Beijing 100049, Peoples R China
5.Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
Recommended Citation
GB/T 7714
Abdughani, Murat,Ren, Jie,Wu, Lei,et al. Probing stop pair production at the LHC with graph neural networks[J]. JOURNAL OF HIGH ENERGY PHYSICS,2019(8):55.
APA Abdughani, Murat,Ren, Jie,Wu, Lei,&Yang, Jin Min.(2019).Probing stop pair production at the LHC with graph neural networks.JOURNAL OF HIGH ENERGY PHYSICS(8),55.
MLA Abdughani, Murat,et al."Probing stop pair production at the LHC with graph neural networks".JOURNAL OF HIGH ENERGY PHYSICS .8(2019):55.
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