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Title

Search for dark matter in events with one jet and missing transverse energy in pp̄ collisions at √s=1.96TeV

AuthorsAaltonen, T.; Álvarez González, B.; Casal, Bruno ; Cuevas, Javier ; Gómez-Ceballos, Guillelmo; Palencia, Enrique ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; CDF Collaboration
Issue Date2012
PublisherAmerican Physical Society
CitationPhysical Review Letters 108: 211804 (2012)
AbstractWe present the results of a search for dark matter production in the monojet signature. We analyze a sample of Tevatron pp̄ collisions at √s=1.96TeV corresponding to an integrated luminosity of 6.7fb -1 recorded by the CDF II detector. In events with large missing transverse energy and one energetic jet, we find good agreement between the standard model prediction and the observed data. We set 90% confidence level upper limits on the dark matter production rate. The limits are translated into bounds on nucleon-dark matter scattering rates which are competitive with current direct detection bounds on spin-independent interaction below a dark matter candidate mass of 5GeV/c2, and on spin-dependent interactions up to masses of 200GeV/c2. © 2012 American Physical Society.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.108.211804
URIhttp://hdl.handle.net/10261/109037
DOI10.1103/PhysRevLett.108.211804
Identifiersdoi: 10.1103/PhysRevLett.108.211804
issn: 0031-9007
e-issn: 1079-7114
Appears in Collections:(IFCA) Artículos
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