NIST logo

Publication Citation: Precision Measurement of the Neutron-3He Spin-Dependent Scattering Length Using Neutron Interferometry

NIST Authors in Bold

Author(s): M Huber; F.E. Weitfeld; Thomas R. Gentile; WangChun Chen; Muhammad Arif; Dmitry Pushin; L Yang; T. Black;
Title: Precision Measurement of the Neutron-3He Spin-Dependent Scattering Length Using Neutron Interferometry
Published: May 22, 2009
Abstract: There is strong theoretical interest in the study of few-body nucleon systems. Experimental measurements of neutron scattering lengths are able to perform precise tests of nucleon-nucleon models. Neutron interferometry provides some of the most precise values of spin-independent neutron scattering lengths, bc, including measurements for n-H, n-D, and n-3He to better than a percent relative uncertainty. The spin-dependent neutron scattering length, bi, of n-3He has been measured once before by Zimmer et al. using a polarized helium-3 target inside a spin echo apparatus.
Citation: Nuclear Instruments & Methods
Volume: 102
Keywords: interferometer; neutron; polarized gas; scattering length
Research Areas: Neutron Research
PDF version: PDF Document Click here to retrieve PDF version of paper (302KB)