DIRECT DETERMINATION OF THE MASS OF SI-28 AS A CONTRIBUTION TO A NEW DEFINITION OF THE KILOGRAM

被引：33

作者：

JERTZ, R ^{[1
]}

BECK, D ^{[1
]}

BOLLEN, G ^{[1
]}

EMMES, J ^{[1
]}

KLUGE, HJ ^{[1
]}

SCHARK, E ^{[1
]}

SCHWARZ, S ^{[1
]}

SCHWARZ, T ^{[1
]}

SCHWEIKHARD, L ^{[1
]}

SENNE, P ^{[1
]}

CARLBERG, C ^{[1
]}

BERGSTROM, I ^{[1
]}

BORGENSTRAND, H ^{[1
]}

ROULEAU, G ^{[1
]}

SCHUCH, R ^{[1
]}

SODERBERG, F ^{[1
]}

机构：

[1] UNIV STOCKHOLM,S-10405 STOCKHOLM,SWEDEN

来源：

PHYSICA SCRIPTA | 1993年 / 48卷 / 04期

关键词：

D O I：

10.1088/0031-8949/48/4/003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The mass of Si-28 has been determined to be m(Si-28) = 27.976 926 57(30)u by comparing the cyclotron frequencies of the singly charged ions C-12+, C-12(3)+ and Si-28+ in a Penning trap mass spectrometer. The experimental technique and the setup are described. The obtained accuracy as well as possible improvements are discussed. Our measurements are related to current efforts to base the kilogram on atomic properties by using an almost perfect single crystal of silicon.

引用

页码：399 / 404

页数：6

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