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Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders
Yang, JM; Young, BL; Yang, JM , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号62期号:11页码:-
摘要The light top-squark if produced in hadron colliders in the form of the (t) over tilde (1) (t) over tilde (1) pair and decaying through the likely decay chain (t) over tilde (1)--><()over tilde>(+)b followed by <()over tilde>(+)--><()over tilde>(0)f (f) over bar' can mimic closely a top quark event when the mass of the top squark is close to that of the top quark. Because of the much lower production rate, the top squark event can be buried under the top quark event sample. In order to uncover the top squark event, specific selection cuts need to be applied. Through Monte Carlo simulation with suitable kinematic cuts, we find that such a top squark event can be extracted from the top quark sample and detected by the top quark counting experiments in the upcoming upgraded Fermilab Tevatron and CERN LHC. However, because of the small statistics of run 1 of the Tevatron, the top squark signal remains hidden at run 1.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
关键词Parity-violating Supersymmetry R-parity Electroweak Baryogenesis Fermilab-tevatron Light Stop Quark Production Flavor Problem Decays Constraints Naturalness
学科领域Physics
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收录类别SCI
WOS记录号WOS:000165612800058
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被引频次:7[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/311006/12874
专题理论物理所1978-2010年知识产出
通讯作者Yang, JM , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Yang, JM,Young, BL,Yang, JM , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders[J]. PHYSICAL REVIEW D,2000,62(11):-.
APA Yang, JM,Young, BL,&Yang, JM , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders.PHYSICAL REVIEW D,62(11),-.
MLA Yang, JM,et al."Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders".PHYSICAL REVIEW D 62.11(2000):-.
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