Investigation of the reaction 2H(n, np) at θn = 0°

J. Kecskeméti, T. Czibók, B. Zeitnitz

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The differential cross section of the 2H(n, np) reaction was measured at θn = 0°. Because of the applied special geometry the experimental data extend over a large fraction of the phase space, including several final state interaction regions as well as regions far from the dominance of quasi-two-body processes. The experiment was analysed with an exact three-body calculation using s-wave separable potentials (CEE). The analysis of the n-n and n-p final state interaction peaks gave ann = -16.3 ± 1.6 fm for the n-n 1S0 scattering length and rnn = 3.15 ± 0.7 fm for the effective range. Remarkable deviations from the calculated cross sections-were found in regions where no strong final state interaction was present.

Original languageEnglish
Pages (from-to)110-130
Number of pages21
JournalNuclear Physics, Section A
Issue number1
Publication statusPublished - Dec 1 1975


  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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