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题名: Probing new physics from top-charm associated productions at linear colliders
作者: Cao, JJ ;  Liu, GL ;  Yang, JM
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2005
卷号: 41, 期号:3, 页码:381-391
关键词: TOPCOLOR-ASSISTED TECHNICOLOR ;  CHANGING NEUTRAL CURRENTS ;  PARITY-VIOLATING SUPERSYMMETRY ;  ENERGY E(+)E(-) COLLIDERS ;  PHOTON-PHOTON COLLISIONS ;  QUARK RARE DECAY ;  STANDARD MODEL ;  FERMILAB-TEVATRON ;  2-HIGGS-DOUBLET MODELS ;  YUKAWA CORRECTIONS
学科分类: Physics
通讯作者: Cao, JJ , Henan Normal Univ, Dept Phys, Henan 453002, Peoples R China.
部门归属: Henan Normal Univ, Dept Phys, Henan 453002, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: The top-charm associated productions via e(+)e(-), e(-)gamma and gamma gamma collisions at linear colliders, which are extremely suppressed in the standard model ( SM), could be significantly enhanced in some extensions of the SM. In this article we calculate the full contribution of the top-color-assisted technicolor ( TC2) to these productions and then compare the results with the existing predictions of the SM, the general two-Higgs-doublet model and the minimal supersymmetric model. We find that the TC2 model predicts much larger production rates than other models and the largest-rate channel is gamma gamma -> t (c) over bar, which exceeds 10 fb for a large part of the parameter space. From the analysis of the observability of such productions at the future linear colliders, we find that the predictions of the TC2 model can reach the observable level for a large part of the parameter space while the predictions of other models are hardly accessible.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000231123500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13805
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:
Cao, JJ,Liu, GL,Yang, JM. Probing new physics from top-charm associated productions at linear colliders[J]. EUROPEAN PHYSICAL JOURNAL C,2005,41(3):381-391.
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