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SUMMARY:Does SUSY have friends? A new approach for LHC analysis. - Holly P
 acey (University of Cambridge)
DTSTART:20210309T160000Z
DTEND:20210309T170000Z
UID:TALK154393@talks.cam.ac.uk
CONTACT:William Fawcett
DESCRIPTION:I present a novel approach to LHC new-physics searches\, explo
 iting for the first time the relationships between collider events\, to di
 scriminate between SM and beyond Standard Model (BSM) physics. A graph net
 work is built in which individual events appear as nodes\, with edges betw
 een events reflecting their similarity in kinematic space. Properties of t
 he graph nodes describe the dataset topology\, providing discrimination be
 tween BSM and SM processes based more on rarity and variability in the sig
 nal than a specific model’s kinematics. Considering several definitions 
 of similarity provides a plethora of event variables that can be used in a
 ddition to existing kinematic information to achieve good sensitivity in a
  prototype electroweak supersymmetry search [arXiv:1912.10625]. Possible n
 ew physics searches benefitting from this approach are discussed. In addit
 ion\, the potential to attain model-independent sensitivity to new physics
  is explored.
LOCATION:https://cern.zoom.us/j/61144924828?pwd=WDB6QmFCMEZiSEN5Q0k2aklWSj
 k5Zz09
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