20–22 avr. 2026
IJCLab
Fuseau horaire Europe/Paris

Reinterpretation of searches for supersymmetry in models with variable R-parity-violating coupling strength using the full ATLAS Run 2 Dataset

20 avr. 2026, 14:40
20m
Auditorium Pierre Lehmann (IJCLab)

Auditorium Pierre Lehmann

IJCLab

Building 200, IJCLab

Orateur

Lorenzo Feligioni (in2p3)

Description

This work reinterprets thirteen existing searches for supersymmetry (SUSY) conducted by the ATLAS Collaboration using the full Run 2 dataset from the Large Hadron Collider. Unlike traditional analyses that assume fixed R-parity scenarios, the study considers SUSY models with variable R-parity-violating (RPV) coupling strengths, allowing the lightest supersymmetric particle to exhibit either prompt or long-lived decays. Using proton–proton collision data at √s = 13 TeV with an integrated luminosity of 140 fb⁻¹, the analysis sets limits on several SUSY particle masses, including gluinos, top squarks, tau sleptons, and electroweakinos. The results significantly extend existing constraints, excluding gluino masses up to ~2.5 TeV depending on the coupling regime, top squark masses up to 2.4 TeV, and Higgsino masses up to about 1 TeV. By incorporating both prompt and long-lived signatures, this study broadens sensitivity beyond conventional R-parity-conserving scenarios and improves coverage of a wide class of SUSY models.

Auteur

Lorenzo Feligioni (in2p3)

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