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Han, CC; Liu, N; Wu, L; Yang, JM; Liu, N (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Probing topcolor-assisted technicolor from top charge asymmetry and triple-top production at the LHC
Source PublicationPHYSICS LETTERS B
Language英语
KeywordElectroweak Symmetry-breaking Quark Condensation Hadron Colliders Pair Production Standard Model Physics Dynamics Constraints Tevatron Scalars
AbstractIn a topcolor-assisted technicolor model (TC2) with large FCNC top quark couplings, we study its correlated contributions to the top quark forward-backward asymmetry (A(FB)) at the Tevatron, the top charge asymmetry (A(C)) and the triple-top production at the LHC. Under current constraints on the top quark from the LHC and Tevatron (such as the total and differential production rates), we scan the parameter space of such a TC2 model. We find that in the allowed parameter space the TC2 model can explain the Tevatron measured A(FB) at 2 sigma level, but meanwhile significantly enhance A(C) at the LHC. Such enhanced A(C), albeit currently allowed by the LHC measurement at 2 sigma level, will serve as a test of TC2 with the improvement of measurement precision at the LHC. Then with all the constraints (including the requirement to explain A(FB) at 2 sigma level and satisfying the current LHC measurement of A(C) at 2 sigma level), we find that the TC2 model can induce sizable triple-top production at the 14 TeV LHC (the production rate can maximally reach 16 pb). Due to the low SM backgrounds, the triple-top production can also be a good probe for TC2 model, complementary to A(C). (C) 2012 Elsevier B.V. All rights reserved.
2012
ISSN0370-2693
Volume714Issue:2-5Pages:295-300
Subject AreaPhysics
Indexed BySCI
Funding OrganizationHenan Normal University; National Natural Science Foundation of China (NNSFC) [10821504, 11135003]; Chinese Academy of Sciences [KJCX2.YW.W10]; Startup Foundation for Doctors of Henan Normal University [11112] ; Henan Normal University; National Natural Science Foundation of China (NNSFC) [10821504, 11135003]; Chinese Academy of Sciences [KJCX2.YW.W10]; Startup Foundation for Doctors of Henan Normal University [11112] ; Henan Normal University; National Natural Science Foundation of China (NNSFC) [10821504, 11135003]; Chinese Academy of Sciences [KJCX2.YW.W10]; Startup Foundation for Doctors of Henan Normal University [11112] ; Henan Normal University; National Natural Science Foundation of China (NNSFC) [10821504, 11135003]; Chinese Academy of Sciences [KJCX2.YW.W10]; Startup Foundation for Doctors of Henan Normal University [11112]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15049
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLiu, N (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
Recommended Citation
GB/T 7714
Han, CC,Liu, N,Wu, L,et al. Probing topcolor-assisted technicolor from top charge asymmetry and triple-top production at the LHC[J]. PHYSICS LETTERS B,2012,714(2-5):295-300.
APA Han, CC,Liu, N,Wu, L,Yang, JM,&Liu, N .(2012).Probing topcolor-assisted technicolor from top charge asymmetry and triple-top production at the LHC.PHYSICS LETTERS B,714(2-5),295-300.
MLA Han, CC,et al."Probing topcolor-assisted technicolor from top charge asymmetry and triple-top production at the LHC".PHYSICS LETTERS B 714.2-5(2012):295-300.
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