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Detecting light stop pairs in coannihilation scenarios at the LHC
Yu ZH(余钊焕); Bi XJ(毕效军); Yu, ZH; Bi, XJ; Yan, QS; Yin, PF;殷鹏飞
2013
发表期刊PHYSICAL REVIEW D
卷号87期号:5页码:55007
摘要In this work, we study the light stop pair signals at the Large Hadron Collider (LHC) in three coannihilation scenarios, where the neutralino can coannihilate with the stop, chargino and stau, respectively, so as to yield the desired dark matter relic density. Signatures of the first scenario can be probed at the LHC via the associated jet production processes pp -> j + (t) over tilde(t) over tilde* by tagging an energetic monojet and a large missing transverse energy. The signatures of the other two scenarios can be searched via the pair production process pp -> (t) over tilde(t) over tilde* by tagging energetic b jets in the final states and a large missing transverse energy. We find that the LHC results at 7 TeV with 5 fb(-1) of data can exclude the stop mass up to 220, 380, and 220 GeV for these three scenarios, respectively. While the 20 fb(-1) data set at 8 TeV is considered, the LHC can be expected to exclude the stop mass up to 340, 430, and 370 GeV. DOI: 10.1103/PhysRevD.87.055007
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.87.055007
收录类别SCI
WOS记录号WOS:000316107500003
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被引频次:24[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/311005/224565
专题粒子天体物理中心
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Yu ZH,Bi XJ,Yu, ZH,et al. Detecting light stop pairs in coannihilation scenarios at the LHC[J]. PHYSICAL REVIEW D,2013,87(5):55007.
APA 余钊焕,毕效军,Yu, ZH,Bi, XJ,Yan, QS,&Yin, PF;殷鹏飞.(2013).Detecting light stop pairs in coannihilation scenarios at the LHC.PHYSICAL REVIEW D,87(5),55007.
MLA 余钊焕,et al."Detecting light stop pairs in coannihilation scenarios at the LHC".PHYSICAL REVIEW D 87.5(2013):55007.
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