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Research PapersNo Access

STANDARD MODEL IN AdS SLICE WITH UV-LOCALIZED HIGGS FIELD

Moscow State University, Department of Physics, Vorobjevy Gory, 119991, Moscow, Russia

Institute of Theoretical and Experimental Physics, B. Cheremushkinskaya ul. 25, 117259 Moscow, Russia

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Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary prospect 7a, Moscow, 117312, Russia

Moscow Institute of Physics and Technology, Institutskii per., 9, Dolgoprudny, 141700 Moscow Region, Russia

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SABIR RAMAZANOV

Moscow State University, Department of Physics, Vorobjevy Gory, 119991, Moscow, Russia

Institute for Nuclear Research of the Russian Academy of Sciences, 60th October Anniversary prospect 7a, Moscow, 117312, Russia

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https://doi.org/10.1142/S0217751X10049797Cited by:0 (Source: Crossref)

Abstract

We discuss five-dimensional Standard Model in a slice of AdS space–time with the Higgs field residing near or on the UV brane. Allowing fermion fields to propagate in the bulk, we obtain the hierarchy of their masses and quark mixings without introducing large or small Yukawa couplings. However, the interaction of fermions with the Higgs and gauge boson KK excitations gives rise to FCNC with no built-in suppression mechanism. This strongly constrains the scale of KK masses. We also discuss neutrino mass generation via KK excitations of the Higgs field. We find that this mechanism is subdominant in the scenarios of spontaneous symmetry breaking we consider.

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Vol. 25, No. 18n19

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Received 14 April 2010

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