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https://hdl.handle.net/2440/77330
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Type: | Journal article |
Title: | Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at √s=7 TeV |
Other Titles: | Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector in pp collisions at root s=7 TeV |
Author: | Jackson, P. Soni, N. White, M. |
Citation: | Physics Letters B: Nuclear Physics and Particle Physics, 2013; 720(4-5):277-308 |
Publisher: | Elsevier Science BV |
Issue Date: | 2013 |
ISSN: | 0370-2693 1873-2445 |
Contributor: | Jackson, Paul Douglas |
Statement of Responsibility: | ATLAS Collaboration |
Abstract: | A search for long-lived particles is performed using a data sample of 4.7 fb⁻¹ from proton–proton collisions at a centre-of-mass energy √s=7 TeV collected by the ATLAS detector at the LHC. No excess is observed above the estimated background and lower limits, at 95% confidence level, are set on the mass of the long-lived particles in different scenarios, based on their possible interactions in the inner detector, the calorimeters and the muon spectrometer. Long-lived staus in gauge-mediated SUSY-breaking models are excluded up to a mass of 300 GeV for tanβ=5–20. Directly produced long-lived sleptons are excluded up to a mass of 278 GeV. R-hadrons, composites of gluino (stop, sbottom) and light quarks, are excluded up to a mass of 985 GeV (683 GeV, 612 GeV) when using a generic interaction model. Additionally two sets of limits on R-hadrons are obtained that are less sensitive to the interaction model for R-hadrons. One set of limits is obtained using only the inner detector and calorimeter observables, and a second set of limits is obtained based on the inner detector alone. |
Keywords: | Long-lived GMSB Slepton R-hadron ATLAS LHC |
Description: | ATLAS Contributor: Paul Douglas Jackson of School of Chemistry and Physics, University of Adelaide, Adelaide, Australia. |
Rights: | © 2013 CERN. Published by Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.physletb.2013.02.015 |
Published version: | http://dx.doi.org/10.1016/j.physletb.2013.02.015 |
Appears in Collections: | Aurora harvest 4 Chemistry and Physics publications |
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hdl_77330.pdf | Published version | 3.41 MB | Adobe PDF | View/Open |
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