ITP OpenIR  > 理论物理所2013年知识产出
Constricted SUSY from No-Scale F-SU(5): A "blind spot" for LHC top quark reconstruction?
Li, TJ; Maxin, JA; Nanopoulos, DV; Walker, JW; Li, TJ (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2013
发表期刊EPL
ISSN0295-5075
卷号104期号:3页码:31001
摘要We describe a region of the No-Scale F-SU(5) supersymmetric model with TeV-scale vector-like matter multiplets that is potentially opaque to LHC observations based upon top quark reconstruction. Possessing a 100% on-shell branching fraction for gluino-to-light stop decays, the gluino-light stop mass splitting in F-SU(5) lies very close to the top quark rest mass in the region 810 (650) less than or similar to M((g) over tilde) (M((t) over tilde)) less than or similar to 1170 (975) GeV. For unboosted gluino pair production, this could render two soft top quarks in the dominant 4-top signature, greatly reducing the likelihood for discrimination from the combinatoric background. We therefore suggest that caution is warranted when gluino exclusion bounds on models possessing a similar spectral character (gluino heavier than the light stop but lighter than all other squarks) using multijet SUSY search tactics. Alternate search methods are highlighted, including those based upon same-sign dileptons and multiple heavy flavor tags, which are more sensitive to this delicate kinematic "blind spot" crease. Copyright (C) EPLA, 2013
部门归属[Li, Tianjun] Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Li, Tianjun] Chinese Acad Sci, KITPC, Inst Theoret Phys, 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.] HARC, 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
学科领域Physics
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; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University
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收录类别SCI
语种英语
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; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246]; Mitchell-Heep Chair in High Energy Physics; Sam Houston State University
WOS记录号WOS:000328564200005
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15250
专题理论物理所2013年知识产出
通讯作者Li, TJ (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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Li, TJ,Maxin, JA,Nanopoulos, DV,et al. Constricted SUSY from No-Scale F-SU(5): A "blind spot" for LHC top quark reconstruction?[J]. EPL,2013,104(3):31001.
APA Li, TJ,Maxin, JA,Nanopoulos, DV,Walker, JW,&Li, TJ .(2013).Constricted SUSY from No-Scale F-SU(5): A "blind spot" for LHC top quark reconstruction?.EPL,104(3),31001.
MLA Li, TJ,et al."Constricted SUSY from No-Scale F-SU(5): A "blind spot" for LHC top quark reconstruction?".EPL 104.3(2013):31001.
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