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SUSY-induced top quark FCNC processes at linear colliders
Cao, JJ; Xiong, ZH; Yang, JM; Cao, JJ , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
2003
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号651期号:40910页码:87-105
摘要In the Minimal Supersymmetric Model (MSSM) the hitherto unconstrained flavor mixing between top-squark and charm-squark will induce the flavor-changing neutral-current (FCNC) interaction between top quark and charm quark, which then lead to various processes at the next generation linear collider (NLC), i.e., the top-charm associated productions via a(+)e(-), e(-) gamma and gammagamma collisions as well as the top quark rare decays t --> cV (V = g, gamma or Z). All these processes involve the same part of the parameter space of the MSSM. Through a comparative analysis for all these processes at the NLC, we found that the best channel to probe such SUSY-induced top quark FCNC is the top-charm associated production in gammagamma collision, which occurs at a much higher rate than a(+)e(-) or e(-) gamma collision and may reach the detectable level for some part of the parameter space. (C) 2003 Elsevier Science B.V All rights reserved.
部门归属CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Hiroshima Univ, Grad Sch Sci, Hiroshima 9376256, Japan
关键词Generation Technicolor Model Charm Associated Production Standard Model Rare Decays e(+)e(-) Collisions Particle Production Loop Calculations Gamma-e Physics Supersymmetry
学科领域Physics
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收录类别SCI
WOS记录号WOS:000181120700005
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13354
专题理论物理所1978-2010年知识产出
通讯作者Cao, JJ , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
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Cao, JJ,Xiong, ZH,Yang, JM,et al. SUSY-induced top quark FCNC processes at linear colliders[J]. NUCLEAR PHYSICS B,2003,651(40910):87-105.
APA Cao, JJ,Xiong, ZH,Yang, JM,&Cao, JJ , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(2003).SUSY-induced top quark FCNC processes at linear colliders.NUCLEAR PHYSICS B,651(40910),87-105.
MLA Cao, JJ,et al."SUSY-induced top quark FCNC processes at linear colliders".NUCLEAR PHYSICS B 651.40910(2003):87-105.
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