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SUMMARY:Stabilization of the extra dimension size in RS model by bulk Higg
 s field
DTSTART;VALUE=DATE-TIME:20161011T143000Z
DTEND;VALUE=DATE-TIME:20161011T144500Z
DTSTAMP;VALUE=DATE-TIME:20260714T044514Z
UID:indico-contribution-773@cern.ch
DESCRIPTION:Speakers: Vadim Egorov (M.V.Lomonosov Moscow State University\
 , Skobeltsyn Institute of Nuclear Physics (SINP MSU))\nAn extension of the
  Standard Model is considered\, which is built on the basis of the Randall
 -Sundrum model with two branes. The metric of the background solution is n
 ot flat\, which allows to solve the hierarchy problem of the gravitational
  interaction. In the case of unstabilized interbrane distance the model pr
 edicts the existence of the "strongly" coupled massless scalar mode\, the 
 radion\, which contradicts the experimental data. In the present work the 
 stabilization of the extra dimension size is achieved with the help of the
  five-dimensional Higgs field\, which plays the role of the Goldberger-Wis
 e filed. The stabilization makes the radion massive\, and all the fermion 
 fields\, which are assumed to be localized on the TeV brane\, get their ma
 sses due to the interaction with the boundary value of the Higgs field. Th
 e gauge invariance of the theory demands that the electroweak gauge fields
  also live in the bulk. The equations of motion for the background field c
 onfigurations are obtained\, the second variation Lagrangian for the field
  fluctuations against a background solution is derived and the equations o
 f motion for them are obtained. The interactions of the bulk Higgs field w
 ith the multidimensional gauge and fermion fields are studied and possible
  values of the model parameters are estimated.\n\nhttps://indico.particle.
 mephi.ru/event/4/contributions/773/
LOCATION:Milan Hotel Rossini
URL:https://indico.particle.mephi.ru/event/4/contributions/773/
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