An energy analyzing detector for cold neutrons

N. C. Maliszewskyj, A. Osovizky, K. Pritchard, Y. Yehuda-Zada, E. Binkley, J. Ziegler, P. Tsai, N. Hadad, G. M. Baltic, M. Jackson, C. Hurlbut, C. F. Majkrzak

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We describe the design, fabrication, and performance of an energy analyzing detector package for cold neutron spectrometers at the NIST Center for Neutron Research (NCNR). The detector package consists of arrays of highly oriented pyrolytic graphite crystals set at takeoff angles corresponding to different neutron energies. Neutrons incident down the array will be selected out by the appropriate crystal and directed onto an associated neutron detector. The arrays are capable of binning neutrons into one of 54 bins over an energy range of 2.29 meV to 5.11 meV. We describe theory of operation, the development of a highly efficient ultrathin neutron sensor, and the development of the arrays themselves. We present preliminary results for this detector array along with a mature design of the scintillator neutron detector. We also present enhancements we are pursuing prior to deployment of this technology.

Original languageEnglish
Pages (from-to)90-96
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume907
DOIs
StatePublished - 1 Nov 2018
Externally publishedYes

Keywords

  • CANDoR
  • LiF:ZnS(Ag)
  • Neutron detector
  • Scintillator

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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