First tests of 6Li doped glass scintillators for ultracold neutron detection

被引：16
|
作者：
Ban, G [1 ]
Fléchard, X
Labalme, M
Lefort, T
Liénard, E
Naviliat-Cuncic, O
Fierlinger, P
Kirch, K
Bodek, K
Geltenbort, P
机构：
[1] ENSI, CNRS, IN2P3, Phys Corpusculaire Lab, F-14050 Caen, France
[2] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[3] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland
[4] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France
来源：
JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY | 2005年 / 110卷 / 03期
关键词：
glass scintillators; UCN detectors;
D O I：
10.6028/jres.110.040
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report the results of test measurements aimed at determining the performances of Li-6 doped glass scintillators for the detection of ultra-cold neutrons. Four types of scintillators, GS1, GS3, GS10 and GS20, which differ by their Li-6 concentrations, have been tested. The signal to background separation is fully acceptable. The relative detection efficiencies have been determined as a function of the neutron velocity. We find that GS10 has a higher efficiency than the others for the detection of neutrons with velocities below 7 m/s. Two pieces of scintillators have been irradiated with a high flux of cold neutrons to test the radiation hardness of the glasses. No reduction in the pulse height has been observed up to an absorbed neutron dose of 1 x 10(13) cm(-3).
引用
收藏
页码：283 / 288
页数：6
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