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Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdelalim, AA; Abdesselam, A; Abdinov, O; Abi, B; Abolins, M; Abramowicz, H; Abreu, H; Acerbi, E; Acharya, BS ...
Published in: European Physical Journal C
January 1, 2012

New metastable massive particles with electric and colour charge are features of many theories beyond the Standard Model. A search is performed for long-lived gluino-based R-hadrons with the ATLAS detector at the LHC using a data sample corresponding to an integrated luminosity of 31 pb−1. We search for evidence of particles that have come to rest in the ATLAS detector and decay at some later time during the periods in the LHC bunch structure without proton–proton collisions. No significant deviations from the expected backgrounds are observed, and a cross-section limit is set. It can be interpreted as excluding gluino-based R-hadrons with masses less than 341 GeV at the 95 % C.L., for lifetimes from 10−5to 103seconds and a neutralino mass of 100 GeV.

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Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 1, 2012

Volume

72

Issue

4

Start / End Page

1 / 21

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

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Aad, G., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., Abdinov, O., … Artoni, G. (2012). Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector. European Physical Journal C, 72(4), 1–21. https://doi.org/10.1140/epjc/s10052-012-1965-6
Aad, G., B. Abbott, J. Abdallah, A. A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, et al. “Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector.” European Physical Journal C 72, no. 4 (January 1, 2012): 1–21. https://doi.org/10.1140/epjc/s10052-012-1965-6.
Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, et al. Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector. European Physical Journal C. 2012 Jan 1;72(4):1–21.
Aad, G., et al. “Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector.” European Physical Journal C, vol. 72, no. 4, Jan. 2012, pp. 1–21. Scopus, doi:10.1140/epjc/s10052-012-1965-6.
Aad G, Abbott B, Abdallah J, Abdelalim AA, Abdesselam A, Abdinov O, Abi B, Abolins M, Abramowicz H, Abreu H, Acerbi E, Acharya BS, Adams DL, Addy TN, Adelman J, Aderholz M, Adomeit S, Adragna P, Adye T, Aefsky S, Aguilar-Saavedra JA, Aharrouche M, Ahlen SP, Ahles F, Ahmad A, Ahsan M, Aielli G, Akdogan T, Åkesson TPA, Akimoto G, Akimov AV, Akiyama A, Aktas A, Alam MS, Alam MA, Albert J, Albrand S, Aleksa M, Aleksandrov IN, Alessandria F, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Aliev M, Alimonti G, Alison J, Aliyev M, Allport PP, Allwood-Spiers SE, Almond J, Aloisio A, Alon R, Alonso A, Alviggi MG, Amako K, Amaral P, Amelung C, Ammosov VV, Amorim A, Amorós G, Amram N, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Andrieux ML, Anduaga XS, Angerami A, Anghinolfi F, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoun S, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Arce ATH, Archambault JP, Arfaoui S, Arguin JF, Arik E, Arik M, Armbruster AJ, Arnaez O, Arnault C, Artamonov A, Artoni G. Search for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detector. European Physical Journal C. 2012 Jan 1;72(4):1–21.
Journal cover image

Published In

European Physical Journal C

DOI

EISSN

1434-6052

ISSN

1434-6044

Publication Date

January 1, 2012

Volume

72

Issue

4

Start / End Page

1 / 21

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5102 Atomic, molecular and optical physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics