Search for Cosmic-Ray Antimatter
- 28 July 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (4), 258-261
- https://doi.org/10.1103/physrevlett.35.258
Abstract
In a sample of 1.5× helium and 4.0× higher-charged nuclei, obtained with balloon-borne superconducting magnetic spectrometers, we find the ratio of antinuclei to nuclei in the cosmic rays to be less than 8× for rigidities (momentum/charge) between 4 and 33 GV/c and less than between 33 and 100 GV/c, at the 95% confidence level.
Keywords
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