8-13 September 2013
Asilomar, California
US/Pacific timezone

A CDMS low ionization threshold experiment and SuperCDMS SNOLAB

11 Sep 2013, 14:20
20m
Asilomar, California

Asilomar, California

Asilomar Conference Grounds, 800 Asilomar Avenue, Pacific Grove, CA 93950-3704
Oral Dark Matter Dark Matter V

Speaker

Jeter Hall (Pacific Northwest National Lab)

Description

Astrophysical observations of large scale gravitation suggest an abundance of non-baryonic dark matter. The Super Cryogenic Dark Matter Search (SuperCDMS) is designed to detect weakly interacting massive particles, a hypothesized solution to the dark matter problem. The SuperCDMS technology is based on germanium detectors instrumented with a new interleaved ionization and athermal phonon sensor layout. The ability to measure phonons allows an alternative operational mode, the CDMS low ionization threshold search (CDMSlite), optimized for WIMP masses below ~10 GeV. In this talk we describe a 10-kg-day exposure taken in this mode with SuperCDMS detectors at sub-keV thresholds. We will present results and constraints on the scattering cross-section of low-mass WIMPs. The SuperCDMS Collaboration is designing a 200-kg experiment for SNOLAB. We will discuss the design and scientific capabilities of the proposed SuperCDMS-SNOLAB experiment.

Primary author

Jeter Hall (Pacific Northwest National Lab)

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