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SUMMARY:Aspects of warped extra-dimensional models - Abhishek Iyer (TIFR\,
  Mumbai)
DTSTART:20160322T160000Z
DTEND:20160322T170000Z
UID:TALK64905@talks.cam.ac.uk
CONTACT:Benjamin Christopher Allanach
DESCRIPTION:Randall-Sundrum (RS) models were originally proposed to explai
 n the hierarchy between the Planck and electroweak scale. It was soon real
 ised that modifications of the original setup have several interesting fea
 tures.In particular it imbues a rich flavour structure to the fermionic se
 ctor thereby offering an understanding of the Yukawa hierarchy problem. Ho
 wever\, this basic version with Standard Model in the bulk\, is in conflic
 t with various precision electroweak and low energy flavour data. While di
 scussing extensions of the model which address these issues\, we will revi
 ew their status in the light of the Higgs discovery. Further we consider a
  radical solution\, called GUT RS model\, where the RS geometry can work a
 s theory of flavour in the absence of flavour symmetries. In this case the
  low energy brane corresponds to the GUT scale as a result of which RS is 
 no longer solution to the gauge hierarchy problem. The Kaluza Klein (KK) m
 odes in this setup are naturally heavy due to which the low energy constra
 ints can be easily avoided. We use this framework to discuss the supersymm
 etric version of the RS model and provide a framework where one can predic
 t most of the supersymmtery breaking parameters and the R-parity violating
  terms. Finally we discuss collider searches for the KK excitation of the 
 gluon in RS models and show promising sensitivity for fairly heavy masses 
 in the current and future runs of the LHC.
LOCATION:B1.19\, DAMTP
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