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SUMMARY:Stealth SUSY search with a large-radius jet containing a photon
DTSTART;VALUE=DATE-TIME:20181204T152000Z
DTEND;VALUE=DATE-TIME:20181204T154000Z
DTSTAMP;VALUE=DATE-TIME:20260411T014144Z
UID:indico-contribution-1167@indico.tlabs.ac.za
DESCRIPTION:Speakers: Marvin Flores (University of the Witwatersrand)\nThe
  LHC has collected data for more than eight years\, but no clear signal fo
 r new physics has emerged so far. This is surprising because there is over
 whelming evidence that the Standard Model must be extended. One such exten
 sion is SUSY. Here\, new scalar and fermions at the TeV scale are predicte
 d but the null results at the LHC have ruled out large region of its param
 eter space. However\, many searches assume that large missing transverse e
 nergy is present in the signal. In the so-called stealth SUSY scenarios\, 
 new light almost degenerate fermion/boson pairs with weak scale supersymme
 tric masses are introduced which result in significantly reduced missing t
 ransverse energy. In this talk we want to investigate the discovery potent
 ial of such stealth SUSY models at the LHC. We reconstruct the decay produ
 cts by using a large-radius jet containing a high transverse momentum phot
 on\, which has not been used in experiments so far. Requirements on the ev
 ent topology\, and use of substructure variables result in orders of less 
 background than signal.\n\nhttps://indico.tlabs.ac.za/event/75/contributio
 ns/1167/
LOCATION:Casa do Sol
URL:https://indico.tlabs.ac.za/event/75/contributions/1167/
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