Search for long-lived, multi-charged particles in pp collisions at √s=7TeV using the ATLAS detector

G. Aad, T. Abajyan, B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, R. Aben, B. Abi, M. Abolins, O. S. AbouZeid, H. Abramowicz, H. Abreu, B. S. Acharya, L. Adamczyk, D. L. Adams, T. N. Addy, J. Adelman, S. Adomeit, P. AdragnaT. Adye, S. Aefsky, J. A. Aguilar-Saavedra, M. Agustoni, M. Aharrouche, S. P. Ahlen, F. Ahles, A. Ahmad, M. Ahsan, G. Aielli, T. P.A. Åkesson, G. Akimoto, A. V. Akimov, M. A. Alam, J. Albert, S. Albrand, M. Aleksa, I. N. Aleksandrov, F. Alessandria, C. Alexa, G. Alexander, G. Alexandre, T. Alexopoulos, M. Alhroob, M. Aliev, G. Alimonti, J. Alison, K. Kawagoe, S. Oda, J. Tojo, ATLAS Collaboration

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41 Citations (Scopus)

Abstract

A search for highly ionising, penetrating particles with electric charges from |q|=2e to 6e is performed using the ATLAS detector at the CERN Large Hadron Collider. Proton-proton collision data taken at √s=7TeV during the 2011 running period, corresponding to an integrated luminosity of 4.4fb-1, are analysed. No signal candidates are observed, and 95% confidence level cross-section upper limits are interpreted as mass-exclusion lower limits for a simplified Drell-Yan production model. In this model, masses are excluded from 50GeV up to 430, 480, 490, 470 and 420GeV for charges 2e, 3e, 4e, 5e and 6e, respectively.

Original languageEnglish
Pages (from-to)305-323
Number of pages19
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume722
Issue number4-5
DOIs
Publication statusPublished - May 24 2013

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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