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Andrei Popescu (Cambridge)
Tuesday 31 May 2022, 16:00-17:00
Precision Physics with Polarised W-bosons at the LHC
- đ¤ Speaker: Andrei Popescu (Cambridge)
- đ Date & Time: Tuesday 31 May 2022, 16:00 - 17:00
- đ Venue: Ryle Seminar Room
Abstract
The longitudinal polarisation of weak bosons originates from the Electroweak symmetry breaking mechanism and thus represents a handle on new physics. Direct observation of boson polarisation is not possible, but one finds its trace left in kinematical distributions, which we utilise to separate longitudinal and transverse modes. I will explore how W-boson polarisation is defined and can be accessed at the LHC , and present our recent studies at NNLO precision for W+j and WW processes. We will discuss the impact and effects of higher-order corrections. Finally, I will touch upon the topic of W-mass measurements in the context of its link to polarisations, and present our latest results which provide state-of-the-art theoretical input for the future mass measurements at the LHC .
Series This talk is part of the Cavendish HEP Seminars series.
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