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Type: Journal article
Title: Search for quantum black hole production in high-invariant-mass lepton+jet final states using pp collisions at √s=8  TeV and the ATLAS detector
Other Titles: Search for quantum black hole production in high-invariant-mass lepton+jet final states using pp collisions at root s=8TeV and the ATLAS detector
Author: Aad, G.
ATLAS Collaboration
Citation: Physical Review Letters, 2014; 112(9):091804-1-091804-18
Publisher: American Physical Society
Issue Date: 2014
ISSN: 1079-7114
Statement of
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (ATLAS Collaboration)
Abstract: This Letter presents a search for quantumblack-hole production using 20:3 fb -1 of data collected with the ATLAS detector in pp collisions at the LHC at ffisffiffi p 1/4 8 TeV. The quantum black holes are assumed to decay into a final state characterized by a lepton (electron or muon) and a jet. In either channel, no event with a lepton-jet invariant mass of 3.5 TeVor more is observed, consistent with the expected background. Limits are set on the product of cross sections and branching fractions for the lepton th jet final states of quantum black holes produced in a search region for invariant masses above 1 TeV. The combined 95% confidence level upper limit on this product for quantum black holes with threshold mass above 3.5 TeVis 0.18 fb. This limit constrains the threshold quantum black-hole mass to be above 5.3 TeV in the model considered.
Keywords: ATLAS Collaboration; Elementary Particles; Electrons; Mesons; Quantum Theory; Models, Theoretical
Rights: © 2014 CERN, for the ATLAS Collaboration. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
RMID: 0030013048
DOI: 10.1103/PhysRevLett.112.091804
Appears in Collections:Physics publications

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