Author(s): Andi Tan et al. (PandaX-II Collaboration)
The PandaX-II experiment reports results from their first full physics run in search of dark matter. They find none, and their data cut in half the existing upper limit on the scattering cross section for 40 GeV WIMPS.
[Phys. Rev. Lett. 117, 121303] Published Fri Sep 16, 2016