Effects of soil moisture on the detection of buried explosives by radiative neutron capture

被引：16

作者：

Pesente, S

Cinausero, M

Fabris, D

Fioretto, E

Lunardon, M

Nebbia, G

Prete, G

Viesti, G

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, PD, Italy

[2] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[3] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy

[4] Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2001年 / 459卷 / 03期

关键词：

D O I：

10.1016/S0168-9002(00)01058-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The effect of soil moisture on the sensitivity for detecting buried landmines by neutron capture reactions has been experimentally investigated. An explosive simulant melamine sample has been placed at different depths in soil having different water contents. In dry soil it is found that the decrease of counting rate by increasing the depth follows the decrease of the average solid angles. In the case of soil with higher water content, an extra yield of prompt gamma-rays following: thermal neutron capture in nitrogen is evidenced due to the extra moderation provided by the presence of additional hydrogen nuclei. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：577 / 580

页数：4

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