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Vector-like Multiplets, Mixings and the LHC

Abstract : Vector-like quarks are an essential ingredient of many extensions of the Standard Model of particle physics. Moreover the presence of more than one vector-like multiplet is a common situation in many models. The interplay of these vector-like multiplet with precision electroweak bounds, flavour and collider phenomenology, especially at the Large Hadron Collider is a important point for the discovery of physics beyond the standard model. I consider the presence of two vector-like multiplets in order to show the constraints on such scenarios from tree-level data and oblique corrections in the case of a completely general flavour mixings with all the three standard model families of quarks. I also describe a framework for studying the interplay of any number of vector-like multiplets.
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http://hal.in2p3.fr/in2p3-01164703
Contributor : Sylvie Flores <>
Submitted on : Wednesday, June 17, 2015 - 3:34:50 PM
Last modification on : Tuesday, November 19, 2019 - 2:42:47 AM

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A. Deandrea. Vector-like Multiplets, Mixings and the LHC. International Workshop on Discovery Physics at the LHC (Kruger2014), Dec 2014, Kruger, South Africa. pp.012008, ⟨10.1088/1742-6596/623/1/012008⟩. ⟨in2p3-01164703⟩

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