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SUMMARY:The Force Aweakens: searching for new sources of CP violation in t
 he electroweak sector - Prof Andrew Pilkington (University of Manchester)
DTSTART:20230502T100000Z
DTEND:20230502T110000Z
UID:TALK198565@talks.cam.ac.uk
CONTACT:William Fawcett
DESCRIPTION:The matter-antimatter asymmetry in the Universe can only be ex
 plained if there are new sources of CP-violation\, i.e. beyond those obser
 ved in the quark sector of the Standard Model. These new sources can induc
 e anomalous Higgs boson interactions and anomalous weak-boson self-interac
 tions. Whilst the search for CP-violating effects in the Higgs boson inter
 actions is well established at the Large Hadron Collider\, there has been 
 surprisingly little attention paid to the weak-boson self-interactions. In
  this seminar\, I will discuss a new measurement programme at will utilise
  diboson data and vector boson scattering processes to set the best constr
 aints on the new sources of CP violation. In particular\, the first ATLAS 
 measurement of a CP-sensitive observables (in the electroweak Zjj final st
 ate) will be discussed\, along with a new analysis technique that allows C
 P-sensitive observables to be constructed using machine learning algorithm
 s.
LOCATION:Ryle Seminar Room
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