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Leptonic mono-top from single stop production at the LHC
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.
2017
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号3页码:91
文章类型Article
摘要Top 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.
关键词Supersymmetry Phenomenology
学科领域Physics
资助者Australian 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 ; Australian 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
DOIhttp://dx.doi.org/10.1007/JHEP03(2017)091
关键词[WOS]HADRON COLLIDERS ; MEASURING MASSES
语种英语
资助者Australian 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 ; Australian 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
WOS类目Physics, Particles & Fields
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/22105
专题理论物理所SCI论文
通讯作者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.
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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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