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Probing anomalous top quark couplings at e gamma colliders
Cao JJ(曹俊杰); Wang JX(王建雄); Cao, JJ; Wang, JX; Yang, JM; Young, BL; Zhang, XM; Zhang XM(张新民)
1998
发表期刊PHYSICAL REVIEW D
卷号58期号:9页码:94004
通讯作者Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China ; Henan Normal Univ, Dept Phys, Xinxiang 453002, Henan, Peoples R China ; Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan ; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA ; CCAST, World Lab, Beijing 100080, Peoples R China
文章类型Article
摘要We study in the effective Lagrangian approach the possibility of probing anomalous top quark charged current couplings in single top quark production at a high-energy e gamma collider. We analyze all possible dimension-six CP-conserving operators which can give rise to an anomalous Wtb coupling which represents new physics effects generated at a higher-energy scale. For those operators which also give rise to anomalous Zb(b)over-bar or right-handed Wtb couplings, we find that they are strongly constrained by the existing R-b and b --> s gamma data. As a result, a collider with a luminosity of the order of 100 fb(-1) is required to observe anomalous effects. For other operators which currently are: subject to no strong constraints, the high-energy e gamma collider can probe their couplings effectively because of the clean environment of such a collider. [S0556-2821(98)01719-6]
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.58.094004
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000076735900033
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被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240856
专题理论物理室
作者单位中国科学院高能物理研究所
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GB/T 7714
Cao JJ,Wang JX,Cao, JJ,et al. Probing anomalous top quark couplings at e gamma colliders[J]. PHYSICAL REVIEW D,1998,58(9):94004.
APA 曹俊杰.,王建雄.,Cao, JJ.,Wang, JX.,Yang, JM.,...&张新民.(1998).Probing anomalous top quark couplings at e gamma colliders.PHYSICAL REVIEW D,58(9),94004.
MLA 曹俊杰,et al."Probing anomalous top quark couplings at e gamma colliders".PHYSICAL REVIEW D 58.9(1998):94004.
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