First Science Results of the CCLDAS Dust Accelerator Facility

Details First Science Results of the CCLDAS Dust Accelerator Facility First Science Results of the CCLDAS Dust Accelerator Facility

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufm.p13h..07m&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #P13H-07

Physics

Plasma Physics

[6015] Planetary Sciences: Comets And Small Bodies / Dust, [6213] Planetary Sciences: Solar System Objects / Dust, [6250] Planetary Sciences: Solar System Objects / Moon, [6297] Planetary Sciences: Solar System Objects / Instruments And Techniques

Scientific paper

The NASA Lunar Institutes Colorado Center for Lunar Dust and Atmospheric Studies (CCLDAS) has completed the construction of a new dust accelerator facility. A 3 MV electrostatic linear accelerator has been installed that contains a 20-kV pre-accelerating dust source, feeding positively charged particles into the large accelerator. The beam line consists of well-focused and characterized dust particles in the size range of 0.1 to few microns, and velocity range of 1 to 10's of km/s. The facility is used for impact experiments to study the production of secondary particles, plasma and neutrals, crater formation and film penetration studies, and for the testing and calibration of dedicated dust instruments, for example. We will present the technical details of the facility, its capabilities, our associated sample analysis tools, and the results of our initial campaign of impact experiments. We will also report on the use of this facility for the testing of the engineering model of the Lunar Dust Experiment (LDEX) for the Lunar Atmosphere and Dust Environment Explorer Mission (LADEE) to be launched in May 2013. Finally, we discuss opportunities for the larger lunar, planetary, space and plasma physics communities to use this new facility.

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