Karlsruhe 2024 – scientific programme
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T: Fachverband Teilchenphysik
T 97: Future colliders
T 97.3: Talk
Thursday, March 7, 2024, 16:30–16:45, Geb. 30.34: LTI
Discrimination of models with additional Z-bosons at muon colliders — Kateryna Korshynska1, •Maximilian Löschner1, Mariia Marinichenko1, Krzysztof Mekala2, and Jürgen Reuter1 — 1Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany — 2Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warszawa, Poland
We study the discovery reach and discrimination power of future muon colliders for a variety of Z'-models, such as the Left-Right Symmetric Model or the Sequential Standard Model. The study is carried out by combining a set of observables for leptonic and hadronic channels, together with the respective estimated systematic and statistical uncertainties. We discuss the influence of polarized initial or final state partons on the discrimination power of the models in terms of the expected resolution of axial and vector couplings. We will show that even for unpolarized partons, there is a noteworthy potential for distinguishing Z'-models and a high discovery reach in terms of the Z'-mass range.