Single vector-like T-quark search via the T → Wb decay channel at the LHeC

被引：20

作者：

Han, Lin ^{[1
]}

Zhang, Yan-Ju ^{[1
]}

Liu, Yao-Bei ^{[2
]}

机构：

[1] Xinxiang Med Univ, Sch Biomed Engn, Xinxiang 453003, Peoples R China

[2] Henan Inst Sci & Technol, Xinxiang 453003, Peoples R China

来源：

PHYSICS LETTERS B | 2017年 / 771卷

基金：

中国国家自然科学基金;

关键词：

LITTLEST HIGGS-MODEL; TOP PARTNER; PHYSICS; LHC; GAMMA; ILC;

D O I：

10.1016/j.physletb.2017.05.036

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this letter, we analyze the prospects of observing the new vector-like T-quark in the leptonic T -> bW decay channel at the Large Hadron Electron Collider (LHeC). The results show that the mixing between the T-quark with the first generation quarks can largely enhance the production cross section. We further study the observability of the single T through the process e(+) p -> T(-> bW(+))(v) over bar (e) -> b(e)(+) + is not an element of(miss)(T) at the LHeC with the proposed 140 GeV electron beam (with 80% polarization) and 7 TeV proton beam. To be as model-independent as possible, a simplified model method with only two free parameters (g* and R-L) has been applied. For three typical T-quark masses, the 3 sigma exclusion limits as well as the 5 sigma discovery region are respectively presented in terms of parameter space regions. (C) 2017 The Author(s). Published by Elsevier B.V.

引用

页码：106 / 112

页数：7

共 35 条

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