Activity standardization and decay data of 64Cu

被引：14

作者：

Wanke, Carsten ^{[1
]}

Kossert, Karsten ^{[1
]}

Naehle, Ole J. ^{[1
]}

Ott, Oliver ^{[1
]}

机构：

[1] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

来源：

APPLIED RADIATION AND ISOTOPES | 2010年 / 68卷 / 7-8期

关键词：

Cu-64; Activity standardization; Decay data measurements; LS COUNTING EFFICIENCY; ELECTRON-CAPTURE; HALF-LIFE; GE(LI)-SPECTROMETRY; SPECTROMETRY; ANNIHILATION; NUCLIDES; COPPER;

D O I：

10.1016/j.apradiso.2010.01.005

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The activity of a solution of Cu-64 was measured by 4 pi beta(PC)-gamma coincidence counting and liquid scintillation counting using the CIEMAT/NIST method In addition, 4 pi ionization chambers were used to establish and preserve calibration factors for secondary standardizations and for a determination of the half-life, for which a value of 12.704(5)h was measured The photon emission probabilities were determined using gamma-ray spectrometry, finding values of p(511 keV)=0 3512(22) and p(1346 keV)=0.00474(5). The results were checked for consistency, and an ampoule was submitted to the BIPM to have the activity result entered into the database of the International Reference System (SIR), yielding the first entry for this radionuclide (C) 2010 Elsevier Ltd All rights reserved.

引用

页码：1297 / 1302

页数：6

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