Barkas effect with use of antiprotons and protons

G. Gabrielse*, X. Fei, L. A. Orozco, S. L. Rolston, R. L. Tjoelker, T. A. Trainor, J. Haas, H. Kalinowsky, W. Kells

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Scopus citations


The difference in the range of protons and antiprotons in matter, an example of the Barkas effect, is observed in a simple time-of-flight apparatus. The ranges of 5.9-MeV antiprotons and protons differ by about 6% in a degrader made predominantly of aluminum.

Original languageEnglish (US)
Pages (from-to)481-484
Number of pages4
JournalPhysical Review A
Issue number1
StatePublished - 1989

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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