Performance of BF3 Filled Position Sensitive Neutron Detector

被引：3
|
作者：
Desai, Shraddha S. [1 ]
Devan, Shylaja [1 ]
Krishna, P. S. R. [1 ]
机构：
[1] Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, India
来源：
SOLID STATE PHYSICS: PROCEEDINGS OF THE 55TH DAE SOLID STATE PHYSICS SYMPOSIUM 2010, PTS A AND B | 2011年 / 1349卷
关键词：
position sensitive detector; neutron scattering;
D O I：
10.1063/1.3605947
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
He-3 filled position sensitive detectors (PSD)s developed in-house are successfully used for neutron scattering studies at Dhruva. However recent global scarcity of He-3 has made it essential to find an alternative. It is very difficult to meet performance capabilities of He-3 for neutron detection in any of the alternate materials. Among various alternatives, BF3 gas can be one. We have recently put an effort to evaluate performance of BF3 based PSD. For that a PSD filled with BF3 gas at 0.8 bar pressure is fabricated and characterized. Performances of the same with Pu-Be source and at Hi-Q Diffractometer, Dhruva are reported in this paper. Diffraction spectra from standard samples Fe and Si at wavelength 0.783 angstrom were recorded. It is found that while position resolution of the BF3 filled PSD is comparable but the efficiency is 20 times less than that of a He-3 (12 bar) filled PSD.
引用
收藏
页码：489 / 490
页数：2
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