The neutron zero-energy total cross section and scattering lengths for tritium |
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| Authors: | J.D. Seagrave B.L. Berman T.W. Phillips |
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| Affiliation: | Los Alamos Scientific Laboratory, University of California, Los Alamos, NM 87545, USA;Lawrence Livermore Laboratory, University of California, Livermore, CA 94550, USA |
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| Abstract: | New results for the neutron total cross section for tritium extrapolate to 1.70 ± 0.03 b at zero energy. With a theoretical constraint A1/A0=0.92 ± 0.04, the scattering lengths A1=3.60 ± 0.10, A0 = 3.91 ± 0.12, and Ac=3.68 ± 0.05 fm can be inferred independently of, but consistently with, the previous experimental value for the coherent length Ac=3.82 ± 0.24 fm. |
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