158 articles – 1990 references  [version française]
 HAL: in2p3-00699489, version 1
 arXiv: 1202.5653
 ADS Bibliographic id: 2012PhRvL.108t1802A
 Physical Review Letters 108 (2012) 201802
 Search for a Dark Matter Candidate Produced in Association with a Single Top Quark in pp̅ Collisions at √s=1.96 TeV
 For the CDF collaboration(s)
 (2012-05)
 We report a new search for dark matter in a data sample of an integrated luminosity of 7.7fb-1 of Tevatron pp¯ collisions at s=1.96TeV, collected by the CDF II detector. We search for production of a dark-matter candidate, D, in association with a single top quark. We consider the hadronic decay mode of the top quark exclusively, yielding a final state of three jets with missing transverse energy. The data are consistent with the standard model; we thus set 95% confidence level upper limits on the cross section of the process pp¯→t+D as a function of the mass of the dark-matter candidate. The limits are approximately 0.5 pb for a dark-matter particle with mass in the range of 0-150GeV/c2.
 Research team: APC - AHE
 Subject(s) : Physics/High Energy Physics - ExperimentSciences of the Universe/Astrophysics/High Energy Astrophysical PhenomenaPhysics/Astrophysics/High Energy Astrophysical Phenomena
 Keyword(s) : Limits on production of particles – Models beyond the standard model – Other particles – Dark matter