ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco; Weber, Michael (2013). Searches for heavy long-lived sleptons and R-Hadrons with the ATLAS detector in pp collisions at sqrts TeV. Physics letters. B, 720(4-5), pp. 277-308. Elsevier 10.1016/j.physletb.2013.02.015
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A search for long-lived particles is performed using a data sample of 4.7 fb(-1) from proton-proton collisions at a centre-of-mass energy. root s = 7 TeV collected by the ATLAS detector at the LHC. No excess is observed above the estimated background and lower limits, at 95% confidence level, are set on the mass of the long-lived particles in different scenarios, based on their possible interactions in the inner detector, the calorimeters and the muon spectrometer. Long-lived staus in gauge-mediated SUSY-breaking models are excluded up to a mass of 300 GeV for tan beta = 5-20. Directly produced long-lived sleptons are excluded up to a mass of 278 GeV. R-hadrons, composites of gluino (stop, sbottom) and light quarks, are excluded up to a mass of 985 GeV (683 GeV, 612 GeV) when using a generic interaction model. Additionally two sets of limits on R-hadrons are obtained that are less sensitive to the interaction model for R-hadrons. One set of limits is obtained using only the inner detector and calorimeter observables, and a second set of limits is obtained based on the inner detector alone.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP) 10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC) |
UniBE Contributor: |
Agustoni, Marco, Ancu, Lucian, Battaglia, Andreas, Beck, Hans Peter, Borer, Claudia, Ereditato, Antonio, Gallo, Valentina, Haug, Sigve, Kruker, Tobias, Marti, Lukas, Pretzl, Klaus-Peter, Schneider, Basil, Sciacca, Gianfranco, Weber, Michele |
Subjects: |
500 Science > 530 Physics |
ISSN: |
0370-2693 |
Publisher: |
Elsevier |
Language: |
English |
Submitter: |
Andrea Stettler |
Date Deposited: |
18 Sep 2014 08:43 |
Last Modified: |
05 Dec 2022 14:36 |
Publisher DOI: |
10.1016/j.physletb.2013.02.015 |
Web of Science ID: |
000317151500002 |
ArXiv ID: |
1211.1597v2 |
Additional Information: |
Kollaboration - Es sind nur die Berner Autoren namentlich erwähnt. |
BORIS DOI: |
10.7892/boris.58402 |
URI: |
https://boris.unibe.ch/id/eprint/58402 |
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