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题名: Searching for top squark at hadron colliders
作者: Yang, JM ;  Young, BL
刊名: HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
出版日期: 2002
卷号: 26, 期号:0, 页码:25-33
关键词: PARITY-VIOLATING SUPERSYMMETRY ;  R-PARITY ;  ELECTROWEAK BARYOGENESIS ;  FERMILAB-TEVATRON ;  QUARK PRODUCTION ;  LIGHT STOP ;  FLAVOR PROBLEM ;  DECAYS ;  NATURALNESS ;  MODELS
学科分类: Physics
通讯作者: Yang, JM , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
英文摘要: In this talk we briefly summarise our recent study (hep-ph/0007165) on searching for top squark at hadron colliders. The light top-squark (stop) 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) --> (χ) over tilde (+)b followed by (χ) over tilde (+) --> (χ) over tilde (0) f (f) over bar, can mimic closely a top quark event when the mass of the stop is close to that of the top quark. Because of the much lower production rate, the stop event can be buried under the top quark event sample. In order to uncover the stop event, specific selection cuts need to be applied. Through Monte Carlo simulation with suitable kinematic cuts, we found that such stop event can be extracted from the top quark sample and detected by the top counting experiments in the upcoming upgraded Tevatron and LHC. However, because of the small statistics of the Run I of the Tevatron, the stop signal remains hidden at Run 1.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000180932200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13397
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 top squark at hadron colliders[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2002,26(0):25-33.
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