Search for heavy long-lived multi-charged particles in pp collisions at √s = 8 TeV using the ATLAS detector

The ATLAS Collaboration

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2012 at √s = 8 TeV from pp collisions corresponding to an integrated luminosity of 20.3 fb-1are examined. Particles producing anomalously high ionisation, consistent with long-lived massive particles with electric charges from |q|=2e to |q|=6e are searched for. No signal candidate events are observed, and 95 % confidence level cross-section upper limits are interpreted as lower mass limits for a Drell–Yan production model. The mass limits range between 660 and 785 GeV.

Original languageEnglish (US)
Article number362
JournalEuropean Physical Journal C
Volume75
Issue number8
DOIs
StatePublished - Aug 10 2015

Fingerprint

Electric charge
Charged particles
Ionization
Luminance
charged particles
Detectors
collisions
detectors
electric charge
confidence
luminosity
ionization
cross sections

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Engineering (miscellaneous)

Cite this

Search for heavy long-lived multi-charged particles in pp collisions at √s = 8 TeV using the ATLAS detector. / The ATLAS Collaboration.

In: European Physical Journal C, Vol. 75, No. 8, 362, 10.08.2015.

Research output: Contribution to journalArticle

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abstract = "A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2012 at √s = 8 TeV from pp collisions corresponding to an integrated luminosity of 20.3 fb-1are examined. Particles producing anomalously high ionisation, consistent with long-lived massive particles with electric charges from |q|=2e to |q|=6e are searched for. No signal candidate events are observed, and 95 {\%} confidence level cross-section upper limits are interpreted as lower mass limits for a Drell–Yan production model. The mass limits range between 660 and 785 GeV.",
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AU - The ATLAS Collaboration

AU - Aad, G.

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AU - Abdallah, J.

AU - Abdinov, O.

AU - Aben, R.

AU - Abolins, M.

AU - AbouZeid, O. S.

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AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

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AU - Adams, D. L.

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AU - Adomeit, S.

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AU - Affolder, A. A.

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AU - Aguilar-Saavedra, J. A.

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AU - Ahmadov, F.

AU - Aielli, G.

AU - Akerstedt, H.

AU - Åkesson, T. P A

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Albrand, S.

AU - Alconada Verzini, M. J.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

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AU - Alexopoulos, T.

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AU - Alimonti, G.

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AU - Alison, J.

AU - Alkire, S. P.

AU - Allbrooke, B. M M

AU - Allport, P. P.

AU - Aloisio, A.

AU - Alonso, A.

AU - Cheu, Elliott C

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AB - A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. Data collected in 2012 at √s = 8 TeV from pp collisions corresponding to an integrated luminosity of 20.3 fb-1are examined. Particles producing anomalously high ionisation, consistent with long-lived massive particles with electric charges from |q|=2e to |q|=6e are searched for. No signal candidate events are observed, and 95 % confidence level cross-section upper limits are interpreted as lower mass limits for a Drell–Yan production model. The mass limits range between 660 and 785 GeV.

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