Handbook of vectorlike quarks: Mixing and single production

被引：295
作者：
Aguilar-Saavedra, J. A. [1 ,2 ,3 ]
Benbrik, R. [3 ,4 ]
Heinemeyer, S. [3 ]
Perez-Victoria, M. [1 ]
机构：
[1] Univ Granada, Dept Fis Teor & Cosmos, E-18071 Granada, Spain
[2] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal
[3] CSIC, UC, Inst Fis Cantabria, Santander 39005, Spain
[4] Fac Polydisciplinaire Safi, Safi 46000, Morocco
来源：
PHYSICAL REVIEW D | 2013年 / 88卷 / 09期
关键词：
PRODUCTION CROSS-SECTION; ELECTROWEAK SYMMETRY-BREAKING; ROOT-S=7 TEV; STANDARD MODEL; PP COLLISIONS; HIGGS-BOSON; PAIR PRODUCTION; CP ASYMMETRIES; LEPTON; ATLAS;
D O I：
10.1103/PhysRevD.88.094010
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We obtain constraints on the mixing of vectorlike quarks coupling predominantly to the third generation. We consider all (seven) relevant types of vectorlike quarks, individually. The constraints are derived from oblique corrections and Z -> b (b) over bar measurements at the Large Electron-Positron (LEP) Collider and the Stanford Linear Collider. We investigate the implications of these constraints on LHC phenomenology, concerning the decays of the heavy quarks and their single production. We also explore indirect effects of heavy quark mixing in top and bottom couplings. A remarkable effect is the possibility of explaining the anomalous forward-backward asymmetry in Z -> b (b) over bar at the LEP with a hypercharge -5/6 doublet. We also study the impact of the new quarks on single Higgs production at the LHC and Higgs decay.
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页数：18
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