Search for excited leptons in proton-proton collisions at √s=7 TeV with the ATLAS detector
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Taylor-2012-Search for excited leptons in proton-proton.pdf
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625.53 KB
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Author(s)
Taylor, Frank E.
Date Issued
April 2012
Journal
Physical Review D
Publisher
American Physical Society
Citation
G. Aad et al. (ATLAS Collaboration). "Search for excited leptons in proton-proton collisions at √s=7 TeV with the ATLAS detector" Physical Review D 85, 072003 (2012). © 2012 CERN, for the ATLAS Collaboration
Version
Final published version
Abstract
The ATLAS detector is used to search for excited leptons in the electromagnetic radiative decay channel ℓ*→ℓγ. Results are presented based on the analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 2.05 fb[superscript -1]. No evidence for excited leptons is found, and limits are set on the compositeness scale Λ as a function of the excited lepton mass m[subscript ℓ]*. In the special case where Λ=mℓ*, excited electron and muon masses below 1.87 TeV and 1.75 TeV are excluded at 95% C.L., respectively.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevD.85.072003
