Bulletin of the American Physical Society
APS April Meeting 2010
Volume 55, Number 1
Saturday–Tuesday, February 13–16, 2010; Washington, DC
Session S1: Dark Matter in the Laboratory |
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Sponsoring Units: DPF DAP Chair: David Saltzberg, University of California, Los Angeles Room: Marriott Ballroom Salon 2 |
Monday, February 15, 2010 3:30PM - 4:06PM |
S1.00001: Results from the Cryogenic Dark Matter Search Experiment Invited Speaker: The Cryogenic Dark Matter Search (CDMS-II and SuperCDMS) uses high-purity Ge crystals operated at 40mK to look for WIMPs, a leading dark matter candidate. The CDMS experiment is housed in the Soudan Underground Laboratory in Soudan, MN, and the collaboration has published world-leading limits on WIMP-nucleon cross sections. The CDMS-II detectors, 1-cm thick crystals, use ionization and phonon signals to distinguish bulk nuclear recoils (caused by WIMPs) from electron recoils and from surface events caused by electromagnetic backgrounds. I will report on the most recent results from the operation of 5 towers of detectors (6 detectors per tower) for 612.13 kg-days of exposure, during what was the final run of CDMS-II. I will also address the progress in R{\&}D work on the next generation of CDMS Ge detectors, and the status of the first run of SuperCDMS, a run including 6 SuperCDMS 1-inch thick Ge detectors with newly developed phonon sensors. [Preview Abstract] |
Monday, February 15, 2010 4:06PM - 4:42PM |
S1.00002: Searching for WIMPs in the Galactic Halo: Scaling Up with Liquid Xenon Detectors Invited Speaker: |
Monday, February 15, 2010 4:42PM - 5:18PM |
S1.00003: Missing energy based searches at colliders: gateway to dark matter in the lab? Invited Speaker: The results from cosmology experiments on the properties of the particles that make up the observed dark matter in the universe are consistent with its having a mass on order the weak scale (O(100 $GeV/c^2$) and weak couplings. Many models of new physics that contain such a particle, such as supersymmetry or universal extra dimensions, predict its copious production at the Large Hadron Collider, either directly or via the decays of other new particles. Events containing these particles would show an apparent momentum imbalance in the plane transverse to the beam direction (missing transverse energy). In this talk, I report on the status of searches by the ATLAS and CMS collaborations for an excess of such events beyond the expectations from production of known particles. [Preview Abstract] |
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