First Dark Matter Limits from a Large-Mass, Low-Background Superheated Droplet Detector

Details First Dark Matter Limits from a Large-Mass, Low-Background Superheated Droplet Detector First Dark Matter Limits from a Large-Mass, Low-Background Superheated Droplet Detector

2000-01-28

arxiv.org/abs/astro-ph/0001511v3

Phys.Rev.Lett.85:3083-3086,2000

Astronomy and Astrophysics

Astrophysics

Final version, Phys. Rev. Lett. (in press)

Scientific paper

10.1103/PhysRevLett.85.3083

We report on the fabrication aspects and calibration of the first large active mass ($\sim15$ g) modules of SIMPLE, a search for particle dark matter using Superheated Droplet Detectors (SDDs). While still limited by the statistical uncertainty of the small data sample on hand, the first weeks of operation in the new underground laboratory of Rustrel-Pays d'Apt already provide a sensitivity to axially-coupled Weakly Interacting Massive Particles (WIMPs) competitive with leading experiments, confirming SDDs as a convenient, low-cost alternative for WIMP detection.

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