Search for supersymmetry in pp collisions at root s=13 TeV in the single-lepton final state using the sum of masses of large-radius jets
CMS Collaboration
刊名JOURNAL OF HIGH ENERGY PHYSICS
2016
卷号2016期号:8页码:122
关键词Hadron-Hadron scattering (experiments) Supersymmetry
DOI10.1007/jhep08(2016)122
文章类型Article
英文摘要Results are reported from a search for supersymmetric particles in protonproton collisions in the final state with a single, high transverse momentum lepton; multiple jets, including at least one b-tagged jet; and large missing transverse momentum. The data sample corresponds to an integrated luminosity of 2: 3 fb(-1) at root s = 13TeV, recorded by the CMS experiment at the LHC. The search focuses on processes leading to high jet multiplicities, such as gluino pair production with (g) over tilde -> t (t) over bar(chi) over tilde (0)(1) . The quantity M-J, defined as the sum of the masses of the large-radius jets in the event, is used in conjunction with other kinematic variables to provide discrimination between signal and background and as a key part of the background estimation method. The observed event yields in the signal regions in data are consistent with those expected for standard model backgrounds, estimated from control regions in data. Exclusion limits are obtained for a simplified model corresponding to gluino pair production with three-body decays into top quarks and neutralinos. Gluinos with a mass below 1600 GeV are excluded at a 95% confidence level for scenarios with low (chi) over tilde (0)(1) mass, and neutralinos with a mass below 800 GeV are excluded for a gluino mass of about 1300 GeV. For models with two-body gluino decays producing on-shell top squarks, the excluded region is only weakly sensitive to the top squark mass.
关键词[WOS]GRAND UNIFIED THEORIES ; SUPERGAUGE TRANSFORMATIONS ; GLUINO PRODUCTION ; NATURALNESS ; MODEL ; PREDICTIONS ; UNIFICATION ; EXTENSION ; INVARIANT ; NEUTRINO
语种英语
WOS记录号WOS:000391761900001
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260760
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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CMS Collaboration. Search for supersymmetry in pp collisions at root s=13 TeV in the single-lepton final state using the sum of masses of large-radius jets[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016,2016(8):122.
APA CMS Collaboration.(2016).Search for supersymmetry in pp collisions at root s=13 TeV in the single-lepton final state using the sum of masses of large-radius jets.JOURNAL OF HIGH ENERGY PHYSICS,2016(8),122.
MLA CMS Collaboration."Search for supersymmetry in pp collisions at root s=13 TeV in the single-lepton final state using the sum of masses of large-radius jets".JOURNAL OF HIGH ENERGY PHYSICS 2016.8(2016):122.
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