The French accelerator mass spectrometry facility ASTER: Improved performance and developments

被引：256

作者：

Arnold, Maurice ^{[2
]}

Merchel, Silke ^{[1
,2
]}

Bourles, Didier L. ^{[2
]}

Braucher, Regis ^{[2
]}

Benedetti, Lucilla ^{[2
]}

Finkel, Robert C. ^{[2
,3
]}

Aumaitre, Georges ^{[2
]}

Gottdang, Andreas ^{[4
]}

Klein, Matthias ^{[4
]}

机构：

[1] Forschungszentrum Dresden Rossendorf, D-01314 Dresden, Germany

[2] CNRS IRD Univ Aix Marseille, CEREGE, F-13545 Aix En Provence, France

[3] UC Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA

[4] High Voltage Engn Europa BV, NL-3800 AB Amersfoort, Netherlands

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2010年 / 268卷 / 11-12期

关键词：

Accelerator mass spectrometry; Terrestrial cosmogenic nuclides (TCN); Calibration; AMS SYSTEM; BE-10;

D O I：

10.1016/j.nimb.2010.02.107

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Following the installation and acceptance test of the French 5 MV AMS facility ASTER, the focus has been on improving the capability for routine measurements of Be-10 and Al-26. Quality assurance has been established by the introduction of traceable AMS standards for each nuclide, by self-monitoring through participation in round-robin exercises and proficiency testing, and by surveillance of long- and short-time variability of blank and reference materials. A background level of 3 x 10(-14) makes ASTER well-suited for measuring Ca-41/Ca-40 in the 10(-12) region, which is sufficient for a wide range of applications. Routine AMS measurements of volatile elements like Cl-36 and I-129 will most likely become feasible in the very near future as the result of significant improvements in the ion source design. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1954 / 1959

页数：6

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