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Published April 25, 2011 | Published
Journal Article Open

Search for massive long-lived highly ionising particles with the ATLAS detector at the LHC

Abstract

A search is made for massive highly ionising particles with lifetimes in excess of 100 ns, with the ATLAS experiment at the Large Hadron Collider, using 3.1 pb^−1 of pp collision data taken at √s = 7 TeV. The signature of energy loss in the ATLAS inner detector and electromagnetic calorimeter is used. No such particles are found and limits on the production cross section for electric charges 6e ≤ |q|≤ 17e and masses 200 GeV ≤ m ≤ 1000 GeV are set in the range 1–12 pb for different hypotheses on the production mechanism.

Additional Information

© 2011 CERN. Published by Elsevier B.V. This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited. Received 2 February 2011. Received in revised form 16 March 2011. Accepted 16 March 2011. Available online 23 March 2011. Editor: M. Cvetič.

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