Report

PUBDB-2024-07914

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Reinterpretation of electroweak supersymmetry searches with final states containing taus in models of variable $R$-parity-violating coupling strength

ATLAS Collaboration (Collaboration author)DESY*

2024

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Please use a persistent id in citations: doi:10.3204/PUBDB-2024-07914

Report No.: ATL-PHYS-PUB-2024-007

Abstract: Two ATLAS searches for supersymmetric particles in final states with multiple leptons, optimized for $R$-parity-conserving and $R$-parity-violating models, are reinterpreted in models with variable $R$-parity-violating couplings. The simplified models of pair-produced staus and pair-produced higgsinos are considered. Depending on the $R$-parity-violating coupling strengths, the staus and higgsinos can decay to Standard Model particles directly or to the lightest supersymmetric particles, which decay promptly, are long-lived and decay away from the interaction point, or are stable at collider scales. Limits are placed on both stau and higgsino models. Stau masses in the range of 180 GeV to 340 GeV are excluded at 95% confidence level for neutralino lifetimes exceeding $10^{-1}$ ns. The exclusion limits on higgsino masses reach up to 800 GeV in scenarios with lifetimes below $10^{-3}$ ns.

Keyword(s): SUSY

Note: All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PUBNOTES/ATL-PHYS-PUB-2024-007. The authors list may be incomplete!

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Contributing Institute(s):

1. LHC/ATLAS Experiment (ATLAS)

Research Program(s):

1. 611 - Fundamental Particles and Forces (POF4-611) (POF4-611)

Experiment(s):

1. LHC: ATLAS

Appears in the scientific report 2024

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