Abstract:The Probing In situ with Neutron and Gamma ray (PING) instrument is an innovative application of active neutron-induced gamma ray technology. The objective of PING is to measure the elemental composition of the Martian regolith. This manuscript presents PINGˈs sensitivities as a function of the Martian regolith depth and PINGˈs uncertainties in the measurements as a function of observation time in passive and active mode. The modeled sensitivities show that in PINGˈs active mode, where both a pulsed neutron ge… Show more
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