2004/05/31 by CDMS Collaboration, D. S. Akerib, J. Alvaro-Dean +74 · 3 citations
Physics and Astronomy · #Astrophysics #Cosmology #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #Dark energy #Dark matter #Light dark matter #Massive particle #Neutralino #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Recoil #Scalar (mathematics) #Scalar field dark matter #WIMP #Weakly interacting massive particles #astro-ph
paper · pdf · doi:10.1103/physrevlett.93.211301
published as Phys.Rev.Lett.93:211301,2004 · 4 pages, 5 figures, submitted to Phys. Rev. Lett; minor clarifications in response to referee's comments
arxiv created 2004/10/12 · openalex publication_date 2004/11/16 · arxiv updated 2012/08/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We report the first results from a search for weakly interacting massive particles (WIMPs) in the Cryogenic Dark Matter Search experiment at the Soudan Underground Laboratory. Four Ge and two Si detectors were operated for 52.6 live days, providing 19.4 kg d of Ge net exposure after cuts for recoil energies between 10 and 100 keV. A blind analysis was performed using only calibration data to define the energy threshold and selection criteria for nuclear-recoil candidates. Using the standard dark-matter halo and nuclear-physics WIMP model, these data set the world's lowest exclusion limits on the coherent WIMP-nucleon scalar cross section for all WIMP masses above 15 GeV/c2, ruling out a significant range of neutralino supersymmetric models. The minimum of this limit curve at the 90% C.L. is 4\ifmmode×\else\texttimes\fi10^\ensuremath-43 cm2 at a WIMP mass of 60 GeV/c2.