ITP OpenIR  > SCI期刊论文
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.
Constricted SUSY from No-Scale F-SU(5): A "blind spot" for LHC top quark reconstruction?
Source PublicationEPL
Language英语
AbstractWe 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
2013
ISSN0295-5075
Volume104Issue:3Pages:31001
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDOE [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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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15250
CollectionSCI期刊论文
Corresponding AuthorLi, TJ (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
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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