A Position-Sensitive Detector for the Polarized-Neutron Spectrometer

O. V. Fateev, G. A. Cheremukhina, S. P. Chernenko, Yu V. Zanevsky, H. Lauter, V. V. Lauter, S. V. Kozhevnikov, Yu V. Nikitenko, A. V. Petrenko

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

A linear detector of thermal neutrons, developed at the Laboratory for High Energies (Joint Institute for Nuclear Research), is used in the polarized-neutron spectrometer of the P-2 reactor (JINR). The data are acquired in the regime of frame-by-frame survey to select neutrons with a wavelength λ, = 1-12 Å by the time of flight. The neutron-detection efficiency is ∼70% for a wavelength of 2 Å. The detector exhibits a low sensitivity to γ-rays, a differential nonlinearity of ∼1.5%, and a spatial resolution of ∼1.5 mm at counting rates of ∼105 events/s.

Original languageEnglish
Pages (from-to)137-143
Number of pages7
JournalInstruments and Experimental Techniques
Volume44
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

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