Absolute measurement of Sn-126 radionuclide concentration with AMS

被引：14

作者：

Gartenmann, P

Golser, R

Haas, P

Kutschera, W

Suter, M

Synal, HA

Wagner, MJM

Wild, E

机构：

[1] UNIV VIENNA,INST RADIUMFORSCH & KERNPHYS,A-1090 VIENNA,AUSTRIA

[2] ETH HONGGERBERG,PAUL SCHERRER INST,CH-8093 ZURICH,SWITZERLAND

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1996年 / 114卷 / 1-2期

关键词：

D O I：

10.1016/0168-583X(95)01570-1

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A new attempt has been made at the Zurich AMS facility for absolute measurements of isotopic ratios in connection with a project for the determination of the half-life of Sn-126 [P. Haas et al., this issue, following paper]. A Sn-126/Sn ratio of (9.23 +/- 0.87) x 10(-6) was measured in material extracted from spent fuel rods of a nuclear power plant. Several specific problems had to be solved. For the separation of the isobaric interference of Te-126 the method of projectile X-ray detection was applied. A gas ionization chamber was used to determine (126)(Sn + Te) in a second independent way. To study mass fractionation effects, several stable tin isotopes were measured. A detailed description of the experimental setup and the measuring procedure is given. The results and the various sources of uncertainties are discussed.

引用

页码：125 / 130

页数：6

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