Determination of the scattering lengths of gallium isotopes by neutron interferometry with PNO-apparatus in JRR-3M |
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| Authors: | H. Tomimitsu Y. Hasegawa K. Aizawa S. Kikuta |
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| Affiliation: | a Advanced Science Research Center, JAERI, Tokai-mura, Naka-gun, Ibaraki-ken, 319-11, Japan;b Department of Applied Physics, University of Tokyo, Hongo, Bunkyo-ku, Tokyo113, Japan |
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| Abstract: | For carrying out experiments in the field of the so-called precise neutron optics (PNO), we have implemented special multi-purpose apparatus called the “PNO-apparatus” at JRR-3M. Making use of an Si triple-Laue (LLL) neutron interferometer with the PNO-apparatus, we successfully determined the coherent neutron scattering lengths of gallium isotopes, 69Ga and 71Ga. The results are 8.053±0.013 fm for 69Ga and 6.170±0.011 fm for 71Ga, respectively. |
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| Keywords: | Neutron interferometry Coherent neutron scattering lengths Gallium isotopes |
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