  XENON10 is a new direct dark matter detection experiment using liquid xenon
as target for weakly interacting, massive particles (WIMPs). A two-phase
(liquid/gas) time projection chamber with 15 kg fiducial mass has been
installed in a low-background shield at the Gran Sasso Underground Laboratory
in July 2006. After initial performance tests with various calibration sources,
the science data run started on August 24, 2006. The detector has been running
stably since then, and a full analysis of more than 75 live days of WIMP search
data is now in progress. We present first results on gamma and neutron
calibration runs, as well as a preliminary analysis of a subset of the WIMP
search data.
