• Open Access

Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in s=7TeV pp Collisions Using 4.7fb1 of ATLAS Data

G. Aad et al. (ATLAS Collaboration)
Phys. Rev. Lett. 109, 211803 – Published 20 November 2012

Abstract

A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at s=7TeV. The measurement is based on 4.7fb1 of data collected with the ATLAS detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP). The data are found to be consistent with standard model expectations. Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV.

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  • Received 13 August 2012

DOI:https://doi.org/10.1103/PhysRevLett.109.211803

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

© 2012 CERN, for the ATLAS Collaboration

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Vol. 109, Iss. 21 — 21 November 2012

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