Peter Sorensen (LLNL)
It will be possible to push dark matter direct detection sensitivity to a WIMP-nucleon cross-section 10^-48 cm^2 (equivalent to 1 event/10 tonne/year) using a liquid xenon TPCs of up to 20 tonnes, surrounded by a combination of liquid scintillator and water shielding. I will report on the design studies and hardware tests, from the new LUX-ZEPLIN (LZ) collaboration, that have been conducted for 3 tonne and 20 tonne detectors. I will also discuss the potential radioactive, cosmogenic and astrophysical backgrounds for large target experiments. The detectors would be deployed in Sanford Lab-DUSEL at Homestake Mine, starting in 2012.
Prof. Richard Gaitskell (Brown University)