Measurement of the coherent neutron scattering length of 3He by neutron interferometry |
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| Authors: | H. Kaiser H. Rauch W. Bauspiess U. Bonse |
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| Affiliation: | 1. Institut für Physik, Universität, D-46 Dortmund, Germany;2. Institut Laue Langevin, BP 156 Centre de tri, Grenoble Cedex, France |
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| Abstract: | A precise determination of the coherent scattering length of 3He with a neutron interferometer yields a value ac = 4.29 ± 0.04 fm. A comparison with varoous theoretical perdictions is made and its relation to the few-body problem is discussed. A combination with other experimental results yield as most probable values for the free singlet- and triplet scattering length as = 8.0 ± fm and at = 3.05 ± 0.07 fm, respectively. |
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