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Search for Pair Production of Strongly Interacting Particles Decaying to Pairs of Jets in pp̅ Collisions at √s=1.96  TeV

Author(s)
Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Paus, Christoph M. E.
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Abstract
We present a search for the pair production of a narrow nonstandard-model strongly interacting particle that decays to a pair of quarks or gluons, leading to a final state with four hadronic jets. We consider both nonresonant production via an intermediate gluon as well as resonant production via a distinct nonstandard-model intermediate strongly interacting particle. We use data collected by the CDF experiment in proton-antiproton collisions at √s=1.96  TeV corresponding to an integrated luminosity of 6.6  fb[superscript -1]. We find the data to be consistent with nonresonant production. We report limits on σ(pp̅ →jjjj) as a function of the masses of the hypothetical intermediate particles. Upper limits on the production cross sections for nonstandard-model particles in several resonant and nonresonant processes are also derived.
Date issued
2013-07
URI
http://hdl.handle.net/1721.1/80748
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aaltonen, T., E. Albin, S. Amerio, D. Amidei, A. Anastassov, A. Annovi, J. Antos, et al. “Search for Pair Production of Strongly Interacting Particles Decaying to Pairs of Jets in pp̅ Collisions at √s=1.96  TeV.” Physical Review Letters 111, no. 3 (July 2013). © 2013 American Physical Society
Version: Final published version
ISSN
0031-9007
1079-7114

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