RPV stops bump off the background
Roberto Franceschini, Riccardo Torre

TL;DR
This paper investigates the LHC's ability to detect R-parity violating stops decaying into di-jet resonances, emphasizing b-tagging techniques to distinguish signal from background.
Contribution
It introduces a novel analysis strategy using b-tagging and kinematic cuts to identify light stops in fully hadronic final states at 8 TeV LHC.
Findings
Stops with R-parity violating couplings can be observed in current LHC data.
The analysis can probe stop masses within the naturalness range.
B-tagging significantly enhances background rejection.
Abstract
We study the 8 TeV LHC reach on pair produced heavy flavored di-jet resonances. Motivated by theories of R-parity violation in supersymmetry we concentrate on a final state with two b-jets and two light jets. We exploit b-tagging to reject the background and discuss its importance at the trigger level to probe light stops. We present kinematical selections that can be used to isolate the signal as a bump in the mass distribution of the candidate resonances. We find that stops with R-parity violating couplings giving rise to fully hadronic final states can be observed in the current run of the LHC. Remarkably, the LHC can probe stop masses well within the range predicted by naturalness.
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