13–17 Aug 2013
University of California, Santa Cruz
US/Pacific timezone

The Cryogenic Dark Matter Search: Results and Prospects

15 Aug 2013, 16:00
35m
Namaste Lounge (University of California, Santa Cruz)

Namaste Lounge

University of California, Santa Cruz

oral presentation Cosmic Frontier Cosmic Frontier

Speaker

Prof. Priscilla Cushman (University of Minnesota)

Description

The Cryogenic Dark Matter Search is sensitive to WIMP interactions with target nuclei in germanium and silicon crystals held at ~50 mK. Detailed information contained in both phonon and ionization signals are used to create a WIMP-search region with backgrounds of less than one event. Raw data taken with the CDMS-II detectors was reprocessed with a pulse reconstruction algorithm which improves timing for energies near threshold. Blind analyses were then performed for the 612 kg-days of Ge exposure which yielded 2 WIMP candidate events in the 2009 analysis, as well as for 140 kg-days from eight Si detectors never before analyzed. Three WIMP-candidates were found in the Si data and new limits were extracted from the Ge data. The implications for low mass WIMPs, as well as results from the currently-running SuperCDMS experiment will be discussed.
APS member ID PE752044

Primary author

Prof. Priscilla Cushman (University of Minnesota)

Presentation materials