Measurement of the electric quadrupole moment of the 4d2D5/2 level in 88Sr+ -: art. no. 133001

被引：77

作者：

Barwood, GP ^{[1
]}

Margolis, HS ^{[1
]}

Huang, G ^{[1
]}

Gill, P ^{[1
]}

Klein, HA ^{[1
]}

机构：

[1] Natl Phys Lab, Teddington TW11 0LW, Middx, England

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.93.133001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The quadrupole moment of the 4d D-2(5/2) level in Sr-88(+) has been measured to be 2.6(3)ea(0)(2), where a(0) is the Bohr radius and e the elementary charge. A single laser-cooled strontium ion was confined in an end cap trap with a variable dc quadrupole potential, and measurements were made on the 5s S-2(1/2)-4d D-2(5/2) transition at 674 nm using a femtosecond optical frequency comb. This work shows that measurements of the unperturbed Sr-88(+) transition frequency with sub-Hz uncertainty are possible and is important in understanding the reproducibility of ion trap optical frequency standards.

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页码：133001 / 1

页数：4

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