A NaI activation method for the measurement of the weak thermal neutron field around the MEG experiment

被引：0
|
作者：
Baldini, A.
Bemporad, C.
Cei, F.
Grassi, M.
Nicolo, D.
Papa, A.
Pazzi, R.
Signorelli, G.
机构：
[1] Ist Nazl Fis Nucl, I-56127 Pisa, Italy
[2] Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 570卷 / 03期
关键词：
neutron; capture; NaI; radioactivity;
D O I：
10.1016/j.nima.2006.10.101
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A precise measurement of the thermal neutron flux (and an approximate measurement of the non-thermal neutron flux), associated with the high intensity stopping mu(+) beam (approximate to 1.5 x 10(8) mu(+) s(-1)) of the MEG experiment, was studied by measuring the delayed radioactivity of an activated NaI detector. This passive method provides a high sensitivity and allows the neutron flux determination at all locations, even in regions of high magnetic field. We present and discuss the results. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：561 / 564
页数：4
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