A neutron sensor based on single crystal CVD diamond

被引：89

作者：

Schmid, GJ ^{[1
]}

Koch, JA ^{[1
]}

Lerche, RA ^{[1
]}

Moran, MJ ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 527卷 / 03期

关键词：

radiation detector; single crystal CVD diamond; fusion neutron spectroscopy; ITER; fission neutron detection; alpha particle spectroscopy;

D O I：

10.1016/j.nima.2004.03.199

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We report the first neutron data for a single crystal Chemical Vapor Deposition diamond sensor. Results are presented for 2.5, 14.1, and 14.9 MeV incident neutrons. We show that the energy resolution for 14.1 MeV neutrons is at least 2.9% (as limited by the energy spread of the incident neutrons), and perhaps as good as 0.4% (as extrapolated from high resolution alpha-particle data). This result could be relevant to fusion neutron spectroscopy at machines like the International Thermonuclear Experimental Reactor. We also show that our sensor has a high neutron linear attenuation coefficient, due to the high atomic density of diamond, and this could lead to applications in fission neutron detection. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：554 / 561

页数：8

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