Actinides AMS at CIRCE and 236U and Pu measurements of structural and environmental samples from in and around a mothballed nuclear power plant

被引：37
作者：
De Cesare, M. [1 ,2 ,3 ]
Fifield, L. K. [4 ]
Sabbarese, C. [1 ,2 ,3 ]
Tims, S. G. [4 ]
De Cesare, N. [1 ,3 ,5 ]
D'Onofrio, A. [1 ,2 ,3 ]
D'Arco, A. [1 ,2 ]
Esposito, A. M. [6 ]
Petraglia, A. [1 ,2 ]
Roca, V. [3 ,7 ]
Terrasi, F. [1 ,2 ,3 ]
机构：
[1] Univ Naples 2, CIRCE, INNOVA, I-81100 Caserta, Italy
[2] Univ Naples 2, Dipartimento Sci Ambientali, I-81100 Caserta, Italy
[3] Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
[4] Australian Natl Univ, Dept Nucl Phys, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
[5] Univ Naples 2, Dipartimento Sci Vita, I-81100 Caserta, Italy
[6] Soc Gest Impianti Nucl SoGIN, I-00184 Rome, Italy
[7] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2013年 / 294卷
关键词：
U-236; Pu isotopes; Mass and isotopic ratio sensitivities; Environmental and structural samples; ACCELERATOR MASS-SPECTROMETRY; U-236/U-238; SOIL;
D O I：
10.1016/j.nimb.2012.05.020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Accelerator mass spectrometry (AMS) is presently the most sensitive technique for the measurement of long-lived actinides, e.g. U-236 and Pu-239. A new actinide line is in operation at the Center for Isotopic Research on Cultural and Environmental heritage (CIRCE) in Caserta, Italy. Using the actinide line a uranium mass sensitivity of around 4 mu g has been reached measuring with a 16-strip silicon detector, and a Pu-239 background level of below 0.1 fg has been obtained. In this work we also discuss preliminary results for environmental and structural samples from in and around the Garigliano nuclear power plant (GNPP), presently in the decommissioning phase. Measurements on environmental samples from the vicinity of the plant allow the assessment of contamination, if any, over the years. Measurements of structural samples from the plant are relevant to the optimization of the decommissioning program for the GNPP. (C) 2012 Elsevier B.V. All rights reserved.
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页码：152 / 159
页数：8
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