Constraining heavy colored resonances from top-antitop quark events

被引：106
|
作者：
Ferrario, Paola [1 ]
Rodrigo, German [1 ]
机构：
[1] UVEG, CSIC, Inst Fis Corpuscular, E-46071 Valencia, Spain
来源：
PHYSICAL REVIEW D | 2009年 / 80卷 / 05期
关键词：
CHIRAL COLOR;
D O I：
10.1103/PhysRevD.80.051701
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Recent measurements of the top quark charge asymmetry at Tevatron disfavor the existence of flavor universal axigluons and colorons at 2 sigma. In this letter, we explore the possibility of reconciling the data with these models and use the charge asymmetry and the invariant mass distribution of top-antitop quark pair events to constrain the mass and couplings of massive color-octet gauge bosons decaying to top quarks.
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页数：5
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