NASA NTRS · 19720006177
Nuclear tracks in lunar samples
Abstract
An attempt is made to relate the appearance of an etched tract to the atomic number and velocity of the ion that left it using 10 MeV/nucleon Kr beams and 6 MeV/nucleon Zn beams. It was found that the etching rate along a tract in minerals and glass is a monototonic function of ionization rate thus, making particle identification possible. Results show the following were present in lunar samples: superheavy elements, cosmic rays with z greater than 26, and solar flare particles in Surveyor glass.
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Price, P. B.. 1971-11-01. Nuclear tracks in lunar samples. https://ntrs.nasa.gov/citations/19720006177
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