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

Research output: Contribution to journalArticlepeer-review

Abstract

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
Volume150
Issue number1-3
DOIs
StatePublished - 3 Jan 1985

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