Comparison of the standards for absorbed dose to water of the ENEA-INMRI (Italy) and the BIPM for 60Co γ rays

被引：8

作者：

Kessler, C. ^{[1
]}

Allisy-Roberts, P. J. ^{[1
]}

Burns, D. T. ^{[1
]}

Guerra, A. S. ^{[2
]}

Laitano, R. F. ^{[2
]}

Pimpinella, M. ^{[2
]}

机构：

[1] Bur Int Poids & Mesures, F-92312 Sevres, France

[2] ENEA CR Casaccia, Ist Nazl Metrol Radiaz Ionizzanti, I-00100 Rome, Italy

来源：

METROLOGIA | 2010年 / 47卷

关键词：

D O I：

10.1088/0026-1394/47/1A/06002

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A comparison of the standards for absorbed dose to water of the Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti of the Ente per le Nuove Tecnologie, l'Energia e l'Ambiente, Italy (ENEA-INMRI), and of the Bureau International des Poids et Mesures (BIPM) has been made in Co-60 gamma radiation under the auspices of the key comparison BIPM. RI(I)-K4. The comparison result, based on the calibration coefficients for three transfer standards and expressed as a ratio of the ENEA and the BIPM standards for absorbed dose to water, is 0.9999 (0.0044). The present 2007 result replaces the earlier ENEA value in this key comparison. The degrees of equivalence between the ENEA and the other participants in this comparison have been calculated and the results are given in the form of a matrix for the ten national metrology institutes (NMIs) that have published results in this ongoing comparison for absorbed dose to water. A graphical presentation is also given.

引用

页数：16

共 50 条

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