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题名: Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders
作者: Yang, JM ;  Young, BL
刊名: PHYSICAL REVIEW D
出版日期: 2000
卷号: 62, 期号:11, 页码:-
关键词: PARITY-VIOLATING SUPERSYMMETRY ;  R-PARITY ;  ELECTROWEAK BARYOGENESIS ;  FERMILAB-TEVATRON ;  LIGHT STOP ;  QUARK PRODUCTION ;  FLAVOR PROBLEM ;  DECAYS ;  CONSTRAINTS ;  NATURALNESS
学科分类: Physics
通讯作者: Yang, JM , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000165612800058
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12874
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Yang, JM,Young, BL. Searching for a top-squark-top-squark pair sample from top counting experiments at hadron colliders[J]. PHYSICAL REVIEW D,2000,62(11):-.
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