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Title

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

AuthorsCDF Collaboration; Cabrera, Susana ; Cuenca Almenar, Cristóbal ; Álvarez González, B.; Casal, Bruno ; Cuevas, Javier ; Gómez, G. ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; Aaltonen, T.
Issue Date27-Mar-2009
PublisherAmerican Physical Society
CitationPhysical Review Letters 102 (12): 121801 (2009)
AbstractWe 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(-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(0)=0, mu < 0, and tan beta = 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(2), arbitrarily large squark masses are excluded at the 95% C.L., while for mass degenerate gluinos and squarks, masses below 392 GeV/c(2) are excluded at the 95% C.L.
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevLett.102.121801
URIhttp://hdl.handle.net/10261/22123
DOI10.1103/PhysRevLett.102.121801
ISSN0031-9007
Appears in Collections:(IFIC) Artículos
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