Lepton PDFs and Multipurpose Single Lepton Searches at the LHC
Herbi K. Dreiner, Victor Martin Lozano, Saurabh Nangia, Toby Opferkuch

TL;DR
This paper explores the potential of single lepton plus jets signatures at the LHC to detect new physics, focusing on lepton PDFs and RPV-SUSY, proposing two search strategies that could outperform existing bounds.
Contribution
It introduces the use of lepton PDFs for resonant squark production in RPV-SUSY and proposes two generic search regions to enhance detection sensitivity.
Findings
Two search regions effectively cover RPV-SUSY signatures.
Potential to outperform existing low-energy bounds.
Broad applicability to unexplored models at the LHC.
Abstract
A final state consisting of one charged lepton, at least one jet, and little missing transverse energy can be a very promising signature of new physics at the LHC across a wide range of models. However, it has received only limited attention so far. In this work we discuss the potential sensitivity of this channel to various new physics scenarios. To demonstrate our point, we consider its application to lepton parton density functions (PDFs) at the LHC in the context of supersymmetry. These lepton PDFs can lead to resonant squark production (similar to leptoquarks) via lepton number violating couplings present in R-parity Violating Supersymmetry (RPV-SUSY). Unlike leptoquarks, in RPV-SUSY there are many possible decay modes leading to a wide range of signatures. We propose two generic search regions: (a) A single first or second generation charged lepton, exactly 1 jet and low missing…
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