https://doi.org/10.1140/epjc/s10052-024-13180-z
Regular Article – Theoretical Physics
Consistent excesses in the search for wino/bino vs. Higgsino dark matter
1
School of Physics and Astronomy, University of Southampton, SO17 1BJ, Southampton, UK
2
Instituto de Física Teórica (UAM/CSIC), Universidad Autónoma de Madrid, 28049, Cantoblanco, Madrid, Spain
3
Department of Physics, Indian Institute of Technology Madras, 600036, Chennai, India
Received:
23
April
2024
Accepted:
30
July
2024
Published online:
14
August
2024
The quest for supersymmetric (SUSY) particles is among the main search channels currently pursued at the LHC. Particularly, electroweak (EW) particles with masses as low as a few hundred GeV are still viable. Recent searches for the “golden channel”, show consistent excesses between ATLAS and CMS in the 2 lepton, 3-lepton and mono-jet searches, assuming and . This mass configuration arises naturally in SUSY scenarios with wino/bino Dark Matter (DM) or higgsino DM. In these scenarios the lightest supersymmetric particle (LSP), assumed to be the lightest neutralino, , as a DM candidate is in good agreement with the observed limits on the DM content of the universe, as well as with negative results from Direct Detection (DD) experiments. We analyze these two scenarios with respect to the observed excesses, taking into account all relevant experimental constraints. We show that in particular wino/bino DM with different signs of the SU(2) and U(1) soft SUSY-breaking parameters can describe well the experimental excesses, while being in agreement with all other constraints.
© The Author(s) 2024
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Funded by SCOAP3.