V. Kruglov, A. Balagurov, M. Belova, I. Bobrikov, A. Bogdzel’, V. Bodnarchuk, V. V. Bulavina, O. Daulbaev, V. Drozdov, V. Zhuravlev, A. Kirilov, S. Kulikov, A. K. Kurilkin, V. Milkov, S. Murashkevich, M. M. Podlesnyy, V. I. Prikhod’ko, A. Churakov, V. Shvetsov
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引用次数: 0
摘要
高分辨率傅立叶衍射仪(HRFD)工作在IBR-2脉冲反应堆上，利用快速傅立叶斩波器和专用电子器件实现了数据记录的相关方法。研制了一种用于HRFD的大孔径环形后向散射探测器。探测器由6个Z n S (A g) / 6 L i f闪烁环组成，每个闪烁环分为12个部分。本探测器主要参数:覆盖立体角2 θ =(133−175)°;Ω d≈2.0 sr;平均吸收效率85%，对分辨率的几何贡献Δ d / d < 0.0005。提出了探测器及其数据采集系统的概念。
Wide-aperture back-scattering detector (BSD) for the High-Resolution Fourier Diffractometer (HRFD) at the IBR-2 reactor
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.
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