Characterization of an INVS model IV neutron counter for high precision (γ,n) cross-section measurements


Journal Article

A neutron counter designed for assay of radioactive materials has been adapted for beam experiments at TUNL. The cylindrical geometry and 60% maximum efficiency make it well suited for (γ,n) cross-section measurements near the neutron emission threshold. A high precision characterization of the counter has been made using neutrons from several sources. Using a combination of measurements and simulations, the absolute detection efficiency of the neutron counter was determined to an accuracy of ±3% in the neutron energy range between 0.1 and 1 MeV. It is shown that this efficiency characterization is generally valid for a wide range of targets. © 2011 Elsevier B.V.

Full Text

Duke Authors

Cited Authors

  • Arnold, CW; Clegg, TB; Karwowski, HJ; Rich, GC; Tompkins, JR; Howell, CR

Published Date

  • August 11, 2011

Published In

Volume / Issue

  • 647 / 1

Start / End Page

  • 55 - 62

International Standard Serial Number (ISSN)

  • 0168-9002

Digital Object Identifier (DOI)

  • 10.1016/j.nima.2011.01.177

Citation Source

  • Scopus