Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at √s = 13 TeV with the ATLAS detector
By Atlas Collaboration. 2017
151 citations recorded by the source corpus.
A search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momentum is presented. This search uses proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2015–2016, corresponding to 36.1 fb − 1 of integrated luminosity at √ s = 13 TeV . Events with same-flavor pairs of electrons or muons with opposite electric charge are selected. The data are found to be consistent with the Standard Model prediction. Results are interpreted using simplified models of R -parity-conserving supersymmetry in which there is a small mass difference between the masses of the produced supersymmetric particles and the lightest neutralino. Exclusion limits at 95% confidence level are set on next-to-lightest neutralino masses of up to 145 GeV for Higgsino production and 175 GeV for wino production, and slepton masses of up to 190 GeV for pair production of sleptons. In the compressed mass regime, the exclusion limits extend down to mass splittings of 2.5 GeV for Higgsino production, 2 GeV for wino production, and 1 GeV for slepton production. The results are also interpreted in the context of a radiatively-driven natural supersymmetry model with nonuniversal Higgs boson masses.
Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/d3be75e770e5eee82214bf9b72396a9c6c3870b8
How researchers see this paper
The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.
In Astronomy and Astrophysics
In Nuclear and High Energy Physics
- Gudrun Heinrich
- Cms Collaboration
- Atlas Collaboration
- Ansgar Denner
- Stefan Kallweit
- Stefan Dittmaier
- M. Grazzini
- Juan Rojo
Citations in the corpus
- Expression of interest for the CODEX-b detector (2019, background): “For instance, the current LHC bounds allow for a higgsino as light as ∼ 150 GeV [108], as long as the wino is kinematically inaccessible and the bino decays predominantly outside the detector.”
- Beyond the Standard Model Physics at the HL-LHC and HE-LHC (2018, methodology): “First constraints surpassing the LEP limits have recently been set by the ATLAS experiment [98], excluding mass splittings down to 2.”