Search for Supersymmetry in Events with Three Leptons and Missing Transverse Momentum in √s = 7  TeV pp Collisions with the ATLAS Detector

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Search for Supersymmetry in Events with Three Leptons and Missing Transverse Momentum in √s = 7  TeV pp Collisions with the ATLAS Detector

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Title: Search for Supersymmetry in Events with Three Leptons and Missing Transverse Momentum in √s = 7  TeV pp Collisions with the ATLAS Detector
Author(s):
Aad, G.;
Abbott, B.;
Abdallah, J.;
Abdel Khalek, S.;
Abdelalim, A. A.;
Abdinov, O.;
Abi, B.;
Ahsan, Mahsana;
Izen, Joseph;
Lou, Xinchou;
Reeves, Kendall;
Wong, Wei-Cheng;
ATLAS Collaboration
Format: Text
Item Type: Article
Keywords: Pions
Coherent states
Supersymmetry
Leptons (Nuclear physics)
Abstract: A search for the weak production of charginos and neutralinos decaying to a final state with three leptons (electrons or muons) and missing transverse momentum is presented. The analysis uses 2.06  fb⁻¹ of √s=7  TeV proton-proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with standard model expectations in two signal regions that are either depleted or enriched in Z-boson decays. Upper limits at 95% confidence level are set in R-parity conserving phenomenological minimal supersymmetric and simplified models. For the simplified models, degenerate lightest chargino and next-to-lightest neutralino masses up to 300 GeV are excluded for mass differences from the lightest neutralino up to 300 GeV.
Publisher: American Physical Society
ISSN: 0031-9007
Source: Physical Review Letters
Link to Related Resource: http://dx.doi.org/10.1103/PhysRevLett.108.261804
Persistent Link: http://hdl.handle.net/10735.1/3096
Bibliographic Citation: Aad, G., B. Abbott, J. Abdallah, S. Abdel Khalek, et al. 2012. "Search for supersymmetry in events with three leptons and missing transverse momentum in √s=7  TeV pp collisions with the ATLAS detector." Physical Review Letters 108(26), doi:10.1103/PhysRevLett.108.261804
Terms of Use: CC BY 3.0 (Attribution)
© 2013 CERN, for the ATLAS Collaboration

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CC BY 3.0 (Attribution) Except where otherwise noted, this item's license is described as CC BY 3.0 (Attribution)