Comparison of the standards for absorbed dose to water of the BEV, Austria, and the BIPM for 60Co gamma radiation

被引：5
|
作者：
Kessler, C. [1 ]
Allisy-Roberts, P. J. [1 ]
Steurer, A. [2 ]
Tiefenboeck, W. [2 ]
Gabris, F. [2 ]
机构：
[1] Bur Int Poids & Mesures, F-92312 Sevres, France
[2] Bundesamt Eich & Vermessungswesen, A-1160 Vienna, Austria
来源：
METROLOGIA | 2010年 / 47卷
关键词：
AIR KERMA; RAYS; CS-137;
D O I：
10.1088/0026-1394/47/1A/06017
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A direct comparison of the standards for air kerma of the Bundesamt fur Eich- und Vermessungswesen (BEV), Austria, and of the Bureau International des Poids et Mesures (BIPM) was carried out in the Cs-137 radiation beam of the BIPM in March 2009. The result, expressed as ratios of the BEV and the BIPM standards for air kerma, is 1.0041 with a combined standard uncertainty of 3.1 x 10(-3). The result of the earlier direct comparison in 137Cs. rays, made in 1995, was 0.9961(28); taking into account the changes made recently to both standards, the 1995 result becomes 1.0035 (24), in agreement with the present comparison result.
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页数：9
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