Neutron scattering length of lithium and boron and their isotopes |
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Authors: | L. Koester K. Knopf W. Waschkowski |
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Affiliation: | 1. Fakult?t für Physik der Technischen Universit?t München, Reaktorstation Garching, Germany
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Abstract: | Coherent neutron scattering lengths and free cross sections were measured in order to determine the spin dependent scattering lengths of the isotopes of Li and B. The transmission measurements on Li at neutron energies of 0.51 meV, 1.26 eV and 5.19 eV delivered data for the6Li-abundances in the samples and for the free scattering cross section of7Li. By means of experiments on 15 different samples of lithium compounds we obtained the complex spin state scattering lengths for the bound atoms to be: (ie81-01) Measurements on 3 boron samples with different enrichments led to (ie81-02) A review on slow neutron scattering and resonance data shows an over all consistency of all values. |
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