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Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev

Publication ,  Journal Article
The ATLAS collaboration; Aad, G; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdinov, O; Aben, R; Abi, B; Abolins, M; AbouZeid, OS; Abramowicz, H ...
Published in: Journal of High Energy Physics
January 14, 2015

Abstract: Searches for heavy long-lived charged particles are performed using a data sample of 19.1 fb−1 from proton-proton collisions at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV collected by the ATLAS detector at the Large Hadron Collider. No excess is observed above the estimated background and limits are placed on the mass of long-lived particles in various supersymmetric models. Long-lived tau sleptons in models with gauge-mediated symmetry breaking are excluded up to masses between 440 and 385 GeV for tan β between 10 and 50, with a 290 GeV limit in the case where only direct tau slepton production is considered. In the context of simplified LeptoSUSY models, where sleptons are stable and have a mass of 300 GeV, squark and gluino masses are excluded up to a mass of 1500 and 1360 GeV, respectively. Directly produced charginos, in simplified models where they are nearly degenerate to the lightest neutralino, are excluded up to a mass of 620 GeV. R-hadrons, composites containing a gluino, bottom squark or top squark, are excluded up to a mass of 1270, 845 and 900 GeV, respectively, using the full detector; and up to a mass of 1260, 835 and 870 GeV using an approach disregarding information from the muon spectrometer.[Figure not available: see fulltext.]

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Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

January 14, 2015

Volume

2015

Issue

1

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics
 

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The ATLAS collaboration, Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdinov, O., … Arnaez, O. (2015). Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev. Journal of High Energy Physics, 2015(1). https://doi.org/10.1007/JHEP01(2015)068
The ATLAS collaboration, G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, et al. “Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev.” Journal of High Energy Physics 2015, no. 1 (January 14, 2015). https://doi.org/10.1007/JHEP01(2015)068.
The ATLAS collaboration, Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, et al. Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev. Journal of High Energy Physics. 2015 Jan 14;2015(1).
The ATLAS collaboration, et al. “Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev.” Journal of High Energy Physics, vol. 2015, no. 1, Jan. 2015. Scopus, doi:10.1007/JHEP01(2015)068.
The ATLAS collaboration, Aad G, Abbott B, Abdallah J, Abdel Khalek S, Abdinov O, Aben R, Abi B, Abolins M, AbouZeid OS, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Agatonovic-Jovin T, Aguilar-Saavedra JA, Agustoni M, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, Akimoto G, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexandre G, Alexopoulos T, Alhroob M, Alimonti G, Alio L, Alison J, Allbrooke BMM, Allison LJ, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Altheimer A, Alvarez Gonzalez B, Alviggi MG, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amram N, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anderson KJ, Andreazza A, Andrei V, Anduaga XS, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antonaki A, Antonelli M, Antonov A, Antos J, Anulli F, Aoki M, Aperio Bella L, Apolle R, Arabidze G, Aracena I, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Arnaez O. Searches for heavy long-lived charged particles with the ATLAS detector in proton-proton collisions at √s = 8 Tev. Journal of High Energy Physics. 2015 Jan 14;2015(1).
Journal cover image

Published In

Journal of High Energy Physics

DOI

EISSN

1029-8479

Publication Date

January 14, 2015

Volume

2015

Issue

1

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0105 Mathematical Physics