Measurement of the Coherent Neutron Scattering Length ofHe3by Reflection from a Quartz-Liquid-Helium Interface
作者： T. A. Kitchens , T. Oversluizen , L. Passell , R. I. Schermer
DOI: 10.1103/PHYSREVLETT.32.791
关键词: Atomic physics 、 Neutron scattering 、 Neutron temperature 、 Reflection (mathematics) 、 Liquid helium 、 Physics 、 Quartz
摘要: The real part of the bound-atom coherent neutron scattering length $^{3}\mathrm{He}$ has been measured by comparing reflectivities quartz-liquid-$^{3}\mathrm{He}$ and quartz-liquid-$^{4}\mathrm{He}$ interfaces found to have value (6.1 \ifmmode\pm\else\textpm\fi{} 0.6) \ifmmode\times\else\texttimes\fi{} ${10}^{\ensuremath{-}\phantom{\rule{0ex}{0ex}}13}$ cm.
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