Interaction of 3.9-Gev Nitrogen Ions with Matter

The interaction with matter of nitrogen ions in the 3.9-billion-electron-volt (Gev) beam of the Princeton Particle Accelerator has been studied. In polyethylene, the range of ions is 12.6 ± 0.2 grams per square centimeter and the mean free path for nuclear collisions is 15.4 ± 3.8 centimeters; the l...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1971-12, Vol.174 (4014), p.1123-1125
Main Authors: Schimmerling, Walter, Vosburgh, Kirby G., Todd, Paul W.
Format: Article
Language:English
Subjects:
Curves
Energy
Heavy ions
Ions
Light beams
Nitrogen
Particle accelerators
Particle beams
Polyethylenes
Telescopes
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Summary:The interaction with matter of nitrogen ions in the 3.9-billion-electron-volt (Gev) beam of the Princeton Particle Accelerator has been studied. In polyethylene, the range of ions is 12.6 ± 0.2 grams per square centimeter and the mean free path for nuclear collisions is 15.4 ± 3.8 centimeters; the loss of energy by the ions passing through polyethylene agrees with that predicted by stopping-power theory. The production of secondary particles has been investigated. These data are useful for experiments and for evaluating the merits of nitrogen ions in biomedical applications.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.174.4014.1123