Search for antiproton-nucleus states with (p̄p) reactions

D. Garreta*, P. Birien, G. Bruge, A. Chaumeaux, D. M. Drake, S. Janouin, D. Legrand, M. C. Lemaire, B. Mayer, J. Pain, J. C. Peng, M. Berrada, J. P. Bocquet, E. Monnand, J. Mougey, P. Perrin, E. Aslanides, O. Bing, J. Lichtenstadt, A. I. Yavin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


We have studied (p̄, p) reactions on 12C, 63Cu, and 209Bi to search for possible nuclear states formed ny antiprotons and nuclei. The experiments used the 180 MeV antiproton beam from LEAR, and the high-resolution magnetic spectrometer, SPES II, to detect the outgoing protons. No evidence of antiproton-nucleus states was found. The gross features of the proton spectra are reasonably well described by intranuclear cascade model calculations, which consider proton emission following antiproton annihilations in the target nucleus.

Original languageEnglish
Pages (from-to)95-99
Number of pages5
JournalPhysics Letters B
Issue number1-3
StatePublished - 3 Jan 1985


FundersFunder number
Fund for Basic Research of the Israel Academy of Sciences
US Department of Energy


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