Vector Boson Scattering to Unravel EWSB and probe BSM physics

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• Karolos Potamianos (University of Oxford)
• Tuesday 13 December 2022, 11:00-12:00
• Ryle Seminar Room.

If you have a question about this talk, please contact William Fawcett.

The discovery of the Higgs boson at the Large Hadron Collider (LHC) has once more confirmed the reliability of the Standard Model (SM) of particle physics. In the SM, the Higgs mechanism is responsible for giving mass to the W and Z weak gauge (vector) bosons through Electroweak Symmetry Breaking (EWSB). Whilst acquiring mass, the W and Z bosons also acquire a longitudinal polarisation component. Vector Boson Scattering (VBS) is a powerful probe of EWSB . In the SM, the rate of occurrence of VBS processes is very low due to cancellations of the various contributions to these 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 of the rate of VBS events, which makes VBS an ideal model-independent probe of new physics.

In this seminar, I will outline the motivation for studying vector boson scattering and associated signatures sensitive to BSM physics at the LHC , present the latest available results, and discuss prospects for the High-Luminosity LHC and beyond. I will give a particular emphasis on the quest to measuring the scattering of longitudinally-polarised vector bosons at the (HL)-LHC, an essential probe of EWSB and BSM physics.

This talk is part of the Cavendish HEP Seminars series.

This talk is included in these lists:

• All Cavendish Laboratory Seminars
• All Talks (aka the CURE list)
• Cavendish HEP Seminars
• Centre for Health Leadership and Enterprise
• Featured lists
• ME Seminar
• Neurons, Fake News, DNA and your iPhone: The Mathematics of Information
• Ryle Seminar Room
• School of Physical Sciences
• Thin Film Magnetic Talks
• few29

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