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SUMMARY:Vector Boson Scattering to Unravel EWSB and probe BSM physics - Ka
 rolos Potamianos (University of Oxford)
DTSTART:20221213T110000Z
DTEND:20221213T120000Z
UID:TALK184262@talks.cam.ac.uk
CONTACT:William Fawcett
DESCRIPTION:The discovery of the Higgs boson at the Large Hadron Collider 
 (LHC) has once more confirmed the reliability of the Standard Model (SM) o
 f particle physics.  In the SM\, the Higgs mechanism is responsible for gi
 ving mass to the W and Z weak gauge (vector) bosons through Electroweak Sy
 mmetry Breaking (EWSB). Whilst acquiring mass\, the W and Z bosons also ac
 quire a longitudinal polarisation component. Vector Boson Scattering (VBS)
  is a powerful probe of EWSB. In the SM\, the rate of occurrence of VBS pr
 ocesses is very low due to cancellations of the various contributions to t
 hese processes. Furthermore\, the Higgs boson unitarises the cross-section
  of longitudinally-polarised VBS. New physics phenomena beyond the SM (BSM
 ) can disturb this delicate balance and potentially lead to enhancements o
 f the rate of VBS events\, which makes VBS an ideal model-independent prob
 e of new physics. \n\n\nIn this seminar\, I will outline the motivation fo
 r studying vector boson scattering and associated signatures sensitive to 
 BSM physics at the LHC\, present the latest available results\, and discus
 s prospects for the High-Luminosity LHC and beyond. I will give a particul
 ar emphasis on the quest to measuring the scattering of longitudinally-pol
 arised vector bosons at the (HL)-LHC\, an essential probe of EWSB and BSM 
 physics.
LOCATION:Ryle Seminar Room
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