Studies of Relativistic Uranium Nuclei with Dielectric Track Detectors

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Science  17 Sep 1982:
Vol. 217, Issue 4565, pp. 1139-1140
DOI: 10.1126/science.217.4565.1139


The cross section for the breakup of relativistic uranium projectiles (energy35 billion electron volts) into two large fragments in the track detector CR-39 was measured and found to be about half of the geometric cross section. The range of the uranium projectiles was also measured and found to agree with that predicted by the Bethe theory when modified to account for the capture of orbital electrons by the projectiles.