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Yang Shuo; Yang, S , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Associated Production of Z Boson and a Pair of New Quarks at LHC
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordLeptons
AbstractThe associated production of Z boson and a pair of new quarks at the Large Hadron Collider (LHC) is studied. The cross sections for both sequential fermions and vector-like fermions are presented. It is found that for sequential fermions the cross sections can reach 1 similar to 10(2) fb for heavy quark mass m(Q) from 1000 GeV to 200 GeV. For vector-like quarks, the cross sections are suppressed by mixing parameter sin theta(L). Focusing on process pp -> b'b', we investigate the possibility of detecting the 6l + 2j signal. For ab' with light mass and a large branching ratioof b' -> bZ, it is found that only several signal events (parton level) can be produced with 1000 fb(-1) integrated luminosity. Although the signal events are rare, all the final states are produced centrally and multi lepton final states are clear at hadron collider, which could be easily detected.
2010
ISSN0253-6102
Volume53Issue:6Pages:1133-1136
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Science Foundation of China[90503002, 10821504]; National Basic Research Program of China[2010CB83300] ; National Science Foundation of China[90503002, 10821504]; National Basic Research Program of China[2010CB83300] ; National Science Foundation of China[90503002, 10821504]; National Basic Research Program of China[2010CB83300] ; National Science Foundation of China[90503002, 10821504]; National Basic Research Program of China[2010CB83300]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5095
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYang, S , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Yang Shuo,Yang, S , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China. Associated Production of Z Boson and a Pair of New Quarks at LHC[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,53(6):1133-1136.
APA Yang Shuo,&Yang, S , Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2010).Associated Production of Z Boson and a Pair of New Quarks at LHC.COMMUNICATIONS IN THEORETICAL PHYSICS,53(6),1133-1136.
MLA Yang Shuo,et al."Associated Production of Z Boson and a Pair of New Quarks at LHC".COMMUNICATIONS IN THEORETICAL PHYSICS 53.6(2010):1133-1136.
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