The Sandwich spectrometer for ultra low-level γ-ray spectrometry

被引：28

作者：

Wieslander, J. S. Elisabeth ^{[1
,4
]}

Hult, Mikael ^{[1
]}

Gasparro, Joel ^{[1
]}

Marissens, Gerd ^{[1
]}

Misiaszek, Marcin ^{[2
]}

Preusse, Werner ^{[1
,3
]}

机构：

[1] Commiss European Communities, Joint Res Ctr, IRMM, Inst Reference Mat & Measurements, B-2440 Geel, Belgium

[2] Jagiellonian Univ, M Smoluchowski Inst Phys, PL-30059 Krakow, Poland

[3] Saxon State Labs Environm Radioact, D-09131 Chemnitz, Germany

[4] Univ Jyvaskyla, Dept Phys, FIN-40014 Jyvaskyla, Finland

来源：

APPLIED RADIATION AND ISOTOPES | 2009年 / 67卷 / 05期

关键词：

Ultra low-level gamma-ray spectrometry; Muon; Underground laboratory; HPGe detectors; Low background measurements;

D O I：

10.1016/j.apradiso.2009.01.026

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The technical details and performance of the newly developed Sandwich spectrometer for ultra low-level gamma-ray spectrometry are presented. The spectrometer, which consists of two HPGe detectors, an active muon shield and a lead/copper shield with a convenient and rapid opening mechanism, is located in an underground laboratory at a depth of 500 m water equivalent. The data is collected in list mode, which enables off-line data analysis to identify muon-induced events and possible Ge detector crosstalk due to Compton scattering. The background count-rate from 40 to 2700 keV normalised to the mass of the Ge crystals is 220 day(-1) kg(-1). (c) 2009 Elsevier Ltd. All rights reserved.

引用

页码：731 / 735

页数：5

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