ITP OpenIR  > 理论物理所科研产出  > SCI论文
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
发表期刊PHYSICAL REVIEW D
语种英语
关键词Forward-backward Asymmetry t(t)Over-bar Asymmetry Pair Production Tevatron Lhc Distributions Constraints Collisions Physics Cdf
摘要In 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
卷号84期号:9页码:94019
学科领域Physics
收录类别SCI
项目资助者Natural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003] ; Natural Sciences Foundation of China [11075003]
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/14232
专题理论物理所科研产出_SCI论文
通讯作者Wang, H (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100871, Peoples R China.
推荐引用方式
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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