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题名: Correlated event excesses in LHC SUSY searches at 7 & 8 TeV: new physics or conspiring noise?
作者: Li, TJ ;  Maxin, JA ;  Nanopoulos, DV ;  Walker, JW
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2013
卷号: 73, 期号:9, 页码:2556
关键词: NO-SCALE F-SU(5) ;  X U(1)(X) MODELS ;  GEV HIGGS-BOSON ;  HADRON COLLIDERS ;  STANDARD MODEL ;  PROTON-DECAY ;  MASS ;  SUPERGRAVITY ;  PARTICLE ;  SQUARK
学科分类: Physics
通讯作者: Li, TJ (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
部门归属: [Li, Tianjun] Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Li, Tianjun] Chinese Acad Sci, Inst Theoret Phys, KITPC, Beijing 100190, Peoples R China; [Li, Tianjun; Maxin, James A.; Nanopoulos, Dimitri V.] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA; [Maxin, James A.] Ball State Univ, Dept Phys & Astron, Muncie, IN 47306 USA; [Nanopoulos, Dimitri V.] Houston Adv Res Ctr, Astroparticle Phys Grp, The Woodlands, TX 77381 USA; [Nanopoulos, Dimitri V.] Acad Athens, Div Nat Sci, Athens 10679, Greece; [Walker, Joel W.] Sam Houston State Univ, Dept Phys, Huntsville, TX 77341 USA
英文摘要: We examine the ATLAS and CMS 7 & 8 TeV multijet supersymmetry (SUSY) searches requiring the incidence of a single lepton in the framework of the supersymmetric grand unified model No-Scale Flipped SU(5) with extra vector-like flippon multiplets derived from F-Theory, or F-SU(5) for short. Investigated are five multijet + lepton SUSY searches: 4.7 fb(-1) ATLAS 7 TeV gluino and light stop searches, as well as 13 fb-1 ATLAS and 9.7 fb-1 CMS 8 TeV light stop searches. Most significantly, all five leptonic SUSY searches represent statistically independent data samples. Findings show that all five orthogonal sets of leptonic LHC observations give a lower bound to the gaugino mass scale at M-1/2 >= 680 GeV, with all the current best fits correlating within a narrow region. Furthermore, eight statistically independent LHC SUSY search regions (leptonic + all-hadronic) accessible to the No-Scale F-SU(5) model space intersect with all the currently operating beyond the Standard Model experiments within the range of M-1/2 >= 680-850 GeV, with the upper bound established by the lower experimental limit of the anomalous magnetic moment (g mu - 2)/2 of the muon. We emphasize that this region of the F-SU(5) model space may not be fully probed by leptonic SUSY searches at the LHC until the 13 TeV LHC energizes in 2015. Additionally, we describe an efficient technique for the effective statistical disentanglement of searches sensitive to mutually overlapping event spaces.
资助者: DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000325379300001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15280
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Li, TJ,Maxin, JA,Nanopoulos, DV,et al. Correlated event excesses in LHC SUSY searches at 7 & 8 TeV: new physics or conspiring noise?[J]. EUROPEAN PHYSICAL JOURNAL C,2013,73(9):2556.
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