Antineutron and antiproton nuclear interactions at very low energies

E. Friedman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Experimental annihilation cross sections of antineutrons and antiprotons at very low energies are compared. Features of Coulomb focusing are observed for p- annihilation on protons. Direct comparisons for heavier targets are not straightforward due to lack of overlap between targets and energies of experimental results for p- and nNevertheless, the annihilation cross sections for n- on nuclei cannot be described by an optical potential that fits well all the available data on p- interactions with nuclei. Comparisons made with the help of this potential reveal in the n- data features similar to Coulomb focusing. Direct comparisons between n- and p- annihilations at very low energies would be possible when p- cross sections are measured on the same targets and at the same energies as the available cross sections for n Such measurements may be possible in the foreseeable future.

Original languageEnglish
Pages (from-to)141-149
Number of pages9
JournalNuclear Physics A
Volume925
DOIs
StatePublished - May 2014

Keywords

  • Antineutron-nucleus and antiproton-nucleus interactions

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