NDLI: Water detection at the moon, mars and comets with a combined neutron gamma ray instrument

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Water detection at the moon, mars and comets with a combined neutron gamma ray instrument

Content Provider	NASA Technical Reports Server (NTRS)
Author	Metzger, Albert E. Haines, Eldon L.
Copyright Year	1991
Description	Measuring the fluxes of thermal and epithermal neutrons at a planetary object in conjunction with gamma-ray spectroscopic observations will provide information about the chemical composition of the surface which is less model dependent than the gamma ray measurements by themselves. Researchers devised a passive neutron detector for this purpose. An experimental model was designed and built. Three variables provided the basis for a set of experiments: thickness of the Sm and B layers, the presence or absence of the ACS, and the position of the source relative to the PND's cylindrical axis. Experimental results are given.
File Size	112910
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19920001601
Archival Resource Key	ark:/13960/t7mp9z241
Language	English
Publisher Date	1991-06-01
Access Restriction	Open
Subject Keyword	Lunar And Planetary Exploration Comets Water Spectroscopy Gamma Ray Spectrometers Moon Mars Planet Neutrons Neutron Counters Gamma Rays Thickness Cylindrical Bodies Chemical Composition Detection Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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