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Search for long-lived, multi-charged particles in pp collisions at √s=7TeV using the ATLAS detector
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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, …
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 卷.722(4-5), 頁碼.305-323
05/2013
DOI: https://doi.org/10.1016/j.physletb.2013.04.036

摘要

High-energy collider experiment Highly ionising Long-lived particle Multiple electric charges New physics Nuclear and High Energy Physics
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. © 2013 CERN.

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