Physics
Scientific paper
Apr 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jphcs..65a2011m&link_type=abstract
Journal of Physics: Conference Series, Volume 65, Issue 1, pp. 012011 (2007).
Physics
Scientific paper
Direction-sensitive WIMP detection is important for conclusively identifying a halo-WIMP signal. It would also make possible the study of galactic halo dynamics through WIMP astronomy. A large low-pressure Negative Ion TPC (NITPC) is the only technique presently known which is capable of direction sensitive WIMP detection. Several advances in NITPC technology reported here. A new capture agent (CH3NO3) with several advantages over the standard CS2 is identified. Simulations with GARFIELD show that tracks completely contained within a single drift cell can be measured using the ''radial drift chamber'' structure proposed by Nygren. DRIFT I neutron source calibration data is shown in which the ''head-tail'' orientation of tracks is able to be determined. (Supported by the U.S. NSF under NSF-PHY-0300766.)
Drift I Collaboration
Martoff Jeff C.
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