Two-dimensional localization of neutrons in a large-area liquid-scintillator cell

被引：9

作者：

Lienard, E

Perier, Y

Peghaire, A

El Masri, Y

Galin, J

Keutgen, T

Lott, B

Morjean, M

Qian, X

Tilquin, I

机构：

[1] CEA, DSM, IN2P3,CNRS, GANIL, F-14076 Caen 05, France

[2] Univ Catholique Louvain, FNRS, Inst Phys Nucl, B-1348 Louvain, Belgium

[3] Univ Catholique Louvain, FRIA, B-1348 Louvain, Belgium

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1998年 / 413卷 / 2-3期

关键词：

D O I：

10.1016/S0168-9002(98)00495-1

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

ORION is a sectorized 4 pi neutron detector: part of it being used as a time-of-flight spectrometer. In a sector, six phototubes collect the light created during the neutron slowing down. The amount of charge integrated by each one strongly depends on the impact position of the neutron. Several tests have been performed with cosmic rays to study in detail the relation between the collected charge distribution and the particle impact position. The results are presented and compared with a simulation based on simple assumptions of light propagation in this particular medium. The detailed analysis has revealed a rather good resolution, better than 5 cm, and at the same time, regions of ambiguity where the correct position could not always be extracted. A new detector prototype, TOURNESOL, allowing one to overcome the present limitations is under construction. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：321 / 332

页数：12

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