Study of LHC searches for a lepton and many jets

Mariangela Lisanti, Philip Schuster, Matthew Strassler, Natalia Toro

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Searches for new physics in high-multiplicity events with little or no missing energy are an important component of the LHC program, complementary to analyses that rely on missing energy. We consider the potential reach of searches for events with a lepton and six or more jets, and show they can provide increased sensitivity to many supersymmetric and exotic models that would not be detected through standard missingenergy analyses. Among these are supersymmetric models with gauge mediation, R-parity violation, and light hidden sectors. Moreover, ATLAS and CMS measurements suggest the primary background in this channel is from tt, rather than W+jets or QCD, which reduces the complexity of background modeling necessary for such a search. We also comment on related searches where the lepton is replaced with another visible object, such as a Z boson.

Original languageEnglish (US)
Article number81
JournalJournal of High Energy Physics
Volume2012
Issue number11
DOIs
StatePublished - Jan 1 2012

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • Supersymmetry Phenomenology

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