EPJ Web Conf.
Volume 158, 2017The XXIII International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2017)
|Number of page(s)||13|
|Published online||24 October 2017|
Extra dimensions hypothesis in high energy physics
D.V. Skobeltsyn Institute of NuclearPhysics, Lomonosov Moscow State University 119991 Moscow, Russia
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Published online: 24 October 2017
We discuss the history of the extra dimensions hypothesis and the physics and phenomenology of models with large extra dimensions with an emphasis on the Randall- Sundrum (RS) model with two branes. We argue that the Standard Model extension based on the RS model with two branes is phenomenologically acceptable only if the inter-brane distance is stabilized. Within such an extension of the Standard Model, we study the influence of the infinite Kaluza-Klein (KK) towers of the bulk fields on collider processes. In particular, we discuss the modification of the scalar sector of the theory, the Higgs-radion mixing due to the coupling of the Higgs boson to the radion and its KK tower, and the experimental restrictions on the mass of the radion-dominated states.
© The authors, published by EDP Sciences, 2017
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