Isotopic Stack: Measurement of Heavy Cosmic Rays

A stack of plastic nuclear track detectors was exposed to heavy cosmic rays on the pallet of Spacelab 1. Some layers of the stack were rotated with respect to the main stack to determine the arrival time of the particles. After return of the stack the latent particle tracks are revealed by chemical...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1984-07, Vol.225 (4658), p.193-195
Main Authors: Beaujean, R., Schmidt, M., Enge, W., Siegmon, G., Krause, J., Fischer, E.
Format: Article
Language:English
Subjects:
Astronomy
Composite particles
Cosmic rays
Earth, ocean, space
Energy
Exact sciences and technology
Geomagnetic fields
Nuclear research
Nucleons
Particle tracks
Particle trajectories
Solar system
Space Plasma Physics
Spacecraft orbits
Spacelab
Trajectories
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Summary:A stack of plastic nuclear track detectors was exposed to heavy cosmic rays on the pallet of Spacelab 1. Some layers of the stack were rotated with respect to the main stack to determine the arrival time of the particles. After return of the stack the latent particle tracks are revealed by chemical etching. Under the optical microscope the charge, mass, energy, and impact direction of the particles can be deduced from the track geometry.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.225.4658.193