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Wang, H; Wang, YK; Xiao, B; Zhu, SH; Wang, H (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100871, Peoples R China.
New color-octet axial vector boson revisited
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordForward-backward Asymmetry t(t)Over-bar Asymmetry Pair Production Tevatron Lhc Distributions Constraints Collisions Physics Cdf
AbstractIn this paper we reexamine how to utilize the previous proposed color-octet axial-vector boson Z(C) to explain the 3: 4 sigma anomaly of t (t) over bar forward-backward (FB) asymmetry A(FB) for m(t (t) over bar) > 450 GeV observed by CDF. Our numerical results indicate that the best-fit parameters are g(A)(q) = 0: 07, g(A)(Q) 3, and M(C) 440 GeV, which are obtained by fitting the mass dependent AFB and total cross section data provided by a recent CDF measurement. Here g(A)(q) (g(A)(Q)) and MC are the axial couplings among Z(C) with the first two (the third) generation quarks, and Z(C) mass, respectively. We also calculate one-side forward-backward asymmetry AOFB for top and bottom quark pair production at the LHC, focusing on the new contributions from Z(C). Our studies show that AOFB can be utilized to measure the properties of new particle Z(C).
2011
ISSN1550-7998
Volume84Issue:9Pages:94019
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNatural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003]
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14232
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, H (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
Wang, H,Wang, YK,Xiao, B,et al. New color-octet axial vector boson revisited[J]. PHYSICAL REVIEW D,2011,84(9):94019.
APA Wang, H,Wang, YK,Xiao, B,Zhu, SH,&Wang, H .(2011).New color-octet axial vector boson revisited.PHYSICAL REVIEW D,84(9),94019.
MLA Wang, H,et al."New color-octet axial vector boson revisited".PHYSICAL REVIEW D 84.9(2011):94019.
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