New neutral gauge bosons in supersymmetric U(1)0 models at hadron colliders


Frank M., SELBUZ L., TURAN İ.

2021 European Physical Society Conference on High Energy Physics, EPS-HEP 2021, Virtual, Online, 26 - 30 July 2021, vol.398 identifier

  • Publication Type: Conference Paper / Full Text
  • Volume: 398
  • City: Virtual, Online
  • Middle East Technical University Affiliated: Yes

Abstract

© Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0)We examine the production and decay modes of Z0 boson at hadron colliders in an U(1)0-extended MSSM. We choose a U(1)0 model with a secluded sector, where the tension between the electroweak scale and developing a large enough mass for Z0 is resolved by incorporating three additional SU(2) singlet fields into the model. We perform a detailed and systematic analysis of the production, followed by decays, including into supersymmetric particles, of a Z0 boson with mass larger than 4 TeV, with particular emphasis on its possible discovery. We choose three different scenarios consistent with the latest available experimental data and relic density constraints. We concentrate on final signals involving 2l + #6 T, 4l + #6 T and 6l + #6 T. Including possible SM backgrounds, we show the likelihood of observing a Z0 boson is not promising for the HL-LHC at 14 TeV, but optimistic for 27 and 100 TeV.