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Interactions of slow neutrons with the chromium isotopes

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Neutron transmission experiments and determinations of coherent scattering lengths were performed on natural chromium and enriched samples of50Cr,52Cr,53Cr and54Cr. By means of the Christiansen-filter-technique we obtained new values for the scattering lengths of the bound atoms:b(natCr)=3.635±0.007 fm,b(50Cr)=−4.50±0.05 fm,b(52Cr)=4.914±0.015 fm,b(53Cr)=−4.20±0.03 fm, andb(54Cr)=4.55±0.10 fm.

The transmission experiments with neutrons of 510 ΜeV, 1.26 eV and 5.19 eV energy resulted in data for the absorption cross sectionσ a (natCr) =3.05±0.08 b and for the scattering cross section at “zero energy”:σ 0 (natCr)=3.381±0.010 b.

Data for incoherent and spin-state scattering and for the potential-scattering radius of the nuclei could be deduced from these results.

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Authors and Affiliations

  1. Physik-Department der Technischen UniversitÄt München, Reaktorstation Garching, Garching, Germany

    L. Koester, K. Knopf & W. Waschkowski

Authors
  1. L. Koester
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  2. K. Knopf
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  3. W. Waschkowski
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Additional information

We wish to acknowledge the financial support by the “Bundesministerium für Wissenschaftliche Forschung und Technologie”. The assistance of reactor operation staff is appreciated.

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Koester, L., Knopf, K. & Waschkowski, W. Interactions of slow neutrons with the chromium isotopes. Z Physik A 287, 61–69 (1978). https://doi.org/10.1007/BF01408362

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  • DOI: https://doi.org/10.1007/BF01408362

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