Performance of neutron spectrum unfolding using deuterated liquid scintillator

M. Febbraro, B. Becker, R. J. deBoer, K. Brandenburg, C. Brune, K. A. Chipps, T. Danley, A. Di Fulvio, Y. Jones-Alberty, K. T. Macon, Z. Meisel, T. N. Massey, R. J. Newby, S. D. Pain, S. Paneru, S. Shahina, M. S. Smith, D. Soltesz, S. K. Subedi, I. SultanaR. Toomey

Research output: Contribution to journalArticlepeer-review

Abstract

The performance of the maximum likelihood expectation maximization method for unfolding neutron energy spectra using deuterated liquid scintillator is evaluated for future utilization with rare isotope beams. High-resolution neutron energy spectra as well as the detector response matrix were measured at the Edwards Accelerator Laboratory at Ohio University. Maximum-likelihood expectation maximization (MLEM) unfolded neutron spectra are compared with spectra from neutron time-of-flight. The effects of the MLEM stopping criteria and spectrum statistics are also investigated.

Keywords

  • Deuterated scintillators
  • Neutron spectroscopy
  • Neutron time-of-flight
  • Spectrum unfolding

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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