Inclusive Search for Squark and Gluino Production in p(p)over-bar Collisions at root s = TeV
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Aaltonen-2009-Inclusive Search for.pdf
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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
Date Issued
March 2009
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
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.
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevLett.102.121801
