SMuK 2023 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 6: Other Exp., EW
T 6.4: Vortrag
Montag, 20. März 2023, 17:15–17:30, HSZ/0103
Study of polarization fractions in same-sign W boson scattering — •Prasham Jain, Beate Heinemann, and Oleg Kuprash — Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
Polarized same-sign W boson pair production is a crucial process to examine the electroweak symmetry breaking mechanism. A measurement of the fraction of longitudinally polarized W bosons, WL±WL±, directly probes the unitarization mechanism of the vector boson scattering amplitude through Higgs boson contributions, and is sensitive to potential new physics effects. This talk presents machine learning (ML) methods for classification of W±W± polarization modes. Results are shown of applying the ML for the extraction of longitudinal polarization fraction.