Analysis of gamma ray spectra measured by Mars Odyssey

Details Analysis of gamma ray spectra measured by Mars Odyssey Analysis of gamma ray spectra measured by Mars Odyssey

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jgre..11103s04e&link_type=abstract

Journal of Geophysical Research, Volume 111, Issue E3, CiteID E03S04

Other

8

Planetary Sciences: Solid Surface Planets: Composition (1060, 3672), Planetary Sciences: Solid Surface Planets: Remote Sensing, Planetary Sciences: Solid Surface Planets: Instruments And Techniques, Planetary Sciences: Solar System Objects: Mars

Scientific paper

Gamma ray spectra measured by the Mars Odyssey gamma ray spectrometer while in orbit around Mars were analyzed to identify the sources of 334 observed peaks and features. Most peaks were of a standard Gaussian shape with a low-energy tail. However, Doppler-broadened and sawtooth-shaped peaks were also observed in the spectra. The sources of most peaks were identified. Many peaks come from the gamma ray detector material or materials around the detector, particularly Ti and Mg. Identifications were often confirmed by analyzing other spectra, such as those measured during the cruise to Mars, before and after the boom deployment, at the end of solar particle events, and over thick frozen CO2 polar caps during winters.

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