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Search for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at √s=7  TeV Collected by the ATLAS Detector

Author(s)
Taylor, Frank E.
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Abstract
This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11  fb[superscript -1] of proton-proton collisions at √s=7  TeV. We compare the photon+jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q*) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q* masses below 2.46 TeV, respectively.
Date issued
2012-05
URI
http://hdl.handle.net/1721.1/71600
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
G. Aad et al. (ATLAS Collaboration). "Search for Production of Resonant States in the Photon-Jet Mass Distribution Using pp Collisions at √s=7  TeV Collected by the ATLAS Detector" Physical Review Letters 108, 211802 (2012). © 2012 CERN, for the ATLAS Collaboration
Version: Final published version
ISSN
0031-9007
1079-7114

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