Signature of a neutron halo in 232Th from antiproton absorption

J. Jastrzȩbski, H. Daniel, T. von Egidy, A. Grabowska, Y. S. Kim, W. Kurcewicz, P. Lubiński, G. Riepe, W. Schmid, A. Stolarz, S. Wycech

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44 Scopus citations


We demonstrate a new method for the investigation of the neutron to proton density ratio at the nuclear surface. The method relies on the radiochemical determination of some residual nuclei after the annihilation of stopped antiprotons. A clear neutron halo effect has been observed with the 232Th target.

Original languageEnglish
Pages (from-to)405-414
Number of pages10
JournalNuclear Physics, Section A
Issue numberC
StatePublished - 7 Jun 1993


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