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Título: | Handbook of vectorlike quarks: Mixing and single production |
Autor: | Aguilar-Saavedra, J. A. CSIC ORCID; Benbrik, Rachid CSIC ORCID; Heinemeyer, Sven CSIC ORCID ; Pérez-Victoria, M. | Fecha de publicación: | 2013 | Editor: | American Physical Society | Citación: | Physical Review D 88: 094010 (2013) | Resumen: | 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→bb̄ 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→bb̄ 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. © 2013 American Physical Society. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevD.88.094010 | URI: | http://hdl.handle.net/10261/109222 | DOI: | 10.1103/PhysRevD.88.094010 | Identificadores: | doi: 10.1103/PhysRevD.88.094010 issn: 1550-7998 e-issn: 1550-2368 |
Aparece en las colecciones: | (IFCA) Artículos |
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Handbook of vectorlike.pdf | 606,98 kB | Adobe PDF | Visualizar/Abrir |
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