Measurement of the 23P0-23P1 helium fine structure interval

被引：0
|
作者：
Minardi, F [1 ]
Bianchini, G [1 ]
Busoni, S [1 ]
Cancio, P [1 ]
Giusfredi, G [1 ]
Pavone, FS [1 ]
Inguscio, M [1 ]
机构：
[1] Univ Pisa, Dept Phys, I-56100 Pisa, Italy
来源：
1998 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS DIGEST | 1998年
关键词：
D O I：
10.1109/CPEM.1998.700112
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper we describe a measurement of the Helium 2 P-3(0)-2(3)P(1) interval, obtained from a full optical approach in an atomic beam of metastable He. Direct frequency determination and control of systematic effects leads to an accuracy of 3 kHz. By comparison with a precise atomic theory, a 50 ppb accurate determination of the fine structure constant alpha will be possible.
引用
收藏
页码：625 / 626
页数：2
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