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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Communication dans un congrès
International Workshop on Discovery Physics at the LHC (Kruger2014), Dec 2014, Kruger, South Africa. 623, pp.012008, Journal of Physics: Conference Series. 〈10.1088/1742-6596/623/1/012008〉
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Soumis le : mercredi 17 juin 2015 - 15:34:50
Dernière modification le : jeudi 15 mars 2018 - 11:40:10

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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. 623, pp.012008, Journal of Physics: Conference Series. 〈10.1088/1742-6596/623/1/012008〉. 〈in2p3-01164703〉

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