MASS DETERMINATION OF FRANCIUM AND RADIUM ISOTOPES BY A PENNING TRAP MASS-SPECTROMETER

被引：52

作者：

BOLLEN, G

KLUGE, HJ

OTTO, T

SAVARD, G

SCHWEIKHARD, L

STOLZENBERG, H

AUDI, G

MOORE, RB

ROULEAU, G

机构：

[1] CTR SPECTROMETRIE NUCL & SPECTROMETRIE MASSE,INST NATL PHYS NUCL & PHYS PARTICULES,F-91405 ORSAY CAMPUS,FRANCE

[2] MCGILL UNIV,FOSTER RADIAT LAB,MONTREAL H3A 2B2,QUEBEC,CANADA

来源：

JOURNAL OF MODERN OPTICS | 1992年 / 39卷 / 02期

关键词：

D O I：

10.1080/09500349214550261

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A tandem Penning trap mass spectrometer is used for mass measurement of radioactive isotopes produced at the on-line isotope separator ISOLDE/CERN. The mass is determined directly and with high accuracy by measuring the cyclotron frequency of the stored ions. Measurements were performed on Fr-209, Fr-210, Fr-211, Fr-212, Fr-221, Fr-222 and Ra-226, Ra-230. A resolving power of 5 x 10(5) was used and an accuracy of 1.8 x 10(-7) has been achieved.

引用

页码：257 / 262

页数：6

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