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Inclusive Search for Squark and Gluino Production in p(p)over-bar Collisions at root s = TeV

Author(s)
Xie, Si; Gomez-Ceballos, Guillelmo; Knuteson, Bruce O.; Choudalakis, Georgios; Henderson, C.; Hahn, Kristian Allan; Paus, Christoph M. E.; Makhoul, Khaldoun; Bauer, Gerry P; ... Show more Show less
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Abstract
We report on a search for inclusive production of squarks and gluinos in p(p) over-bar collisions at root s = 1:96 TeV, in events with large missing transverse energy and multiple jets of hadrons in the final state. The study uses a CDF Run II data sample corresponding to 2 fb[superscript -1] of integrated luminosity. The data are in good agreement with the standard model predictions, giving no evidence for any squark or gluino component. In an R-parity conserving minimal supergravity scenario with A[subscript 0] = 0, mu<0, and tanB = 5, 95% C.L. upper limits on the production cross sections in the range between 0.1 and 1 pb are obtained, depending on the squark and gluino masses considered. For gluino masses below 280 GeV/c[superscript 2], arbitrarily large squark masses are excluded at the 95% C.L., while for mass degenerate gluinos and squarks, masses below 392 GeV/c [superscript 2] are excluded at the 95% C.L.
Date issued
2009-03
URI
http://hdl.handle.net/1721.1/50759
Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Aaltonen, T. et al. “Inclusive Search for Squark and Gluino Production in pp[over -bar] Collisions at sqrt[s]=1.96 TeV.” Physical Review Letters 102.12 (2009): 121801. (C)2010 The American Physical Society.
Version: Final published version
ISSN
0031-9007

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