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Searching for top squark at hadron colliders
Yang, JM; Young, BL; Yang, JM , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
2002
发表期刊HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
ISSN0254-3052
卷号26期号:0页码:25-33
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.
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
关键词Parity-violating Supersymmetry R-parity Electroweak Baryogenesis Fermilab-tevatron Quark Production Light Stop Flavor Problem Decays Naturalness Models
学科领域Physics
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收录类别SCI
WOS记录号WOS:000180932200006
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13397
专题理论物理所1978-2010年知识产出
通讯作者Yang, JM , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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Yang, JM,Young, BL,Yang, JM , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.. Searching for top squark at hadron colliders[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2002,26(0):25-33.
APA Yang, JM,Young, BL,&Yang, JM , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2002).Searching for top squark at hadron colliders.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,26(0),25-33.
MLA Yang, JM,et al."Searching for top squark at hadron colliders".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 26.0(2002):25-33.
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