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Duan, GH; Hikasa, K; Wu, L; Yang, JM; Zhang, MC; Wu, L (reprint author), Nanjing Normal Univ, Dept Phys, Nanjing 210023, Jiangsu, Peoples R China.; Wu, L (reprint author), Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Jiangsu, Peoples R China.; Wu, L (reprint author), Univ Sydney, Sch Phys, ARC Ctr Excellence Particle Phys Terascale, Sydney, NSW 2006, Australia.
Leptonic mono-top from single stop production at the LHC
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordSupersymmetry Phenomenology
AbstractTop squark (stop) can be produced via QCD interaction but also the electro weak interaction at the LHC. In this paper, we investigate the observability of the associated production of stop and chargino, pp -> t(1)chi(-)(1), in compressed electroweakino scenarios at 14TeV LHC. Due to small mass splitting between the lightest neutralino (chi(0)(1)) and chargino (chi(-)(1)), the single stop production can give the mono-top signature through the stop decay t(1) -> t chi(0)(1). We analyze the leptonic mono-top channel of the single stop production and propose a lab-frame observable cos 0(bl) to reduce the SM backgrounds. We find that such leptonic mono-top events from the single stop production can be probed at 2 sigma level at the HL-LHC if m(t1) < 760 GeV and m(chi)(1)(0) < 150 GeV. Given a discovery of the stop and a measurement of the single stop production cross section, the stop mixing angle can also be determined from the single stop production at the HL-LHC.
2017
Issue3Pages:91
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/JHEP03(2017)091
Funding OrganizationAustralian Research Council ; Australian Research Council ; Australian Research Council ; Australian Research Council ; National Natural Science Foundation of China (NNSFC) [11105124, 11105125, 11275057, 11305049, 11375001, 11405047, 11135003, 11275245] ; National Natural Science Foundation of China (NNSFC) [11105124, 11105125, 11275057, 11305049, 11375001, 11405047, 11135003, 11275245] ; National Natural Science Foundation of China (NNSFC) [11105124, 11105125, 11275057, 11305049, 11375001, 11405047, 11135003, 11275245] ; National Natural Science Foundation of China (NNSFC) [11105124, 11105125, 11275057, 11305049, 11375001, 11405047, 11135003, 11275245] ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Center for Excellence in Particle Physics (CCEPP) ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences ; CAS Key Research Program of Frontier Sciences
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22105
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWu, L (reprint author), Nanjing Normal Univ, Dept Phys, Nanjing 210023, Jiangsu, Peoples R China.; Wu, L (reprint author), Nanjing Normal Univ, Inst Theoret Phys, Nanjing 210023, Jiangsu, Peoples R China.; Wu, L (reprint author), Univ Sydney, Sch Phys, ARC Ctr Excellence Particle Phys Terascale, Sydney, NSW 2006, Australia.
Recommended Citation
GB/T 7714
Duan, GH,Hikasa, K,Wu, L,et al. Leptonic mono-top from single stop production at the LHC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(3):91.
APA Duan, GH.,Hikasa, K.,Wu, L.,Yang, JM.,Zhang, MC.,...&Wu, L .(2017).Leptonic mono-top from single stop production at the LHC.JOURNAL OF HIGH ENERGY PHYSICS(3),91.
MLA Duan, GH,et al."Leptonic mono-top from single stop production at the LHC".JOURNAL OF HIGH ENERGY PHYSICS .3(2017):91.
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