Wide-aperture back-scattering detector (BSD) for the High-Resolution Fourier Diffractometer (HRFD) at the IBR-2 reactor-Reference-Cited by-同舟云学术

Wide-aperture back-scattering detector (BSD) for the High-Resolution Fourier Diffractometer (HRFD) at the IBR-2 reactor

Published:2021-12-13 Issue:4 Volume:23 Page:243-250
ISSN:1477-2655
Container-title:Journal of Neutron Research
language:
Short-container-title:JNR

Author:

Kruglov V.V.¹,Balagurov A.M.¹,Belova M.O.¹,Bobrikov I.A.¹,Bogdzel A.A.¹,Bodnarchuk V.I.¹,Bulavina V.V.¹,Daulbaev O.¹²³,Drozdov V.A.¹,Zhuravlev V.V.¹,Kirilov A.S.¹,Kulikov S.A.¹,Kurilkin A.K.¹,Milkov V.M.¹,Murashkevich S.M.¹,Podlesnyy M.M.¹⁴,Prikhodko V.I.¹,Churakov A.V.¹,Shvetsov V.V.¹

Affiliation:

1. Joint Institute for Nuclear Research (JINR), Dubna, Moscow region, 141980, Russian Federation

2. The Institute of Nuclear Physics, Ministry of Energy of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan

3. Al-Farabi Kazakh National University, 050038 Almaty, Kazakhstan

4. Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow region, 141701, Russian Federation

Abstract

The high-resolution Fourier diffractometer (HRFD) operates at the IBR-2 pulsed reactor, on which the correlation method of data registering has been implemented using a fast Fourier chopper and specialized electronics. A wide-aperture ring back-scattering detector for HRFD has been developed. The detector consists of six Z n S ( A g ) / 6 L i F-scintillation rings, each one of which is divided into 12 sections. Main parameters of this detector: covered solid angle 2 θ = ( 133 − 175 ) ∘ ; Ω d ≈ 2.0 sr; average absorption efficiency 85 %, geometric contribution to resolution Δ d / d < 0.0005. The concept of a detector and its data acquisition system are presented.

Publisher

IOS Press

Subject

Nuclear Energy and Engineering,Nuclear and High Energy Physics

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