CALIBRATION OF THE NEUTRON REM COUNTER LINUS IN THE ENERGY-RANGE FROM THERMAL TO 19 MEV

被引：48

作者：

BIRATTARI, C

ESPOSITO, A

FERRARI, A

PELLICCIONI, M

SILARI, M

机构：

[1] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY

[2] IST NAZL FIS NUCL,LASA,I-20090 SEGRATE,ITALY

[3] CNR,IST TECNOL BIOMED AVANZATE,I-20131 MILAN,ITALY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1993年 / 324卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(93)90982-N

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

LINUS is a neutron rem counter of the Andersson-Braun type with a modified moderator-attenuator and a calculated response function which extends up to 400 MeV. Preliminary experimental investigations with uncalibrated neutron sources have already confirmed the expected much increased sensitivity of this instrument with respect to conventional remmeters when exposed to radiation fields with a large component of high energy neutrons. The present paper reports on the calibration of the monitor with monoenergetic neutrons in the range from thermal to 19 MeV. At 14 MeV its response is about 40% larger than that of a conventional Andersson-Braun monitor and about 55% larger at 19 MeV. The angular dependence and the range of linearity of the response have also been investigated.

引用

页码：232 / 238

页数：7

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