Precision measurements in helium at 58 nm: Ground state Lmb shift and the 1 S-1 2 P-1 transition isotope shift

被引：55

作者：

Eikema, KSE

Ubachs, W

Vassen, W

Hogervorst, W

机构：

[1] Laser Centre Vrije Universiteit, Department of Physics and Astronomy, Amsterdam, 1081 HV

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.76.1216

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A source of narrow bandwidth (<800 MHz) tunable laser radiation at 58.4 nm has been developed and is applied to record the 1'S-2'P transition in He-3 and He-4. From the He-4 transition frequency of 171134.8936(58) cm(-1) a fivefold improved ground state Lamb shift of 1.3763(58) cm(-1) is deduced, in good agreement with the theoretical value of 1.3755(10) cm(-1). The measured 1'S-2'P transition isotope shift of 263410(7) MHz presents a more than 2 order of magnitude improvement over a previous value and agrees with a theoretical value of 263411.26(11) MHz.

引用

页码：1216 / 1219

页数：4

共 14 条

[1] ENERGY CORRECTIONS OF ORDER MC(2)ALPHA(6)IN ALPHA IN HELIUM [J].

DRAKE, GWF ;

KHRIPLOVICH, IB ;

MILSTEIN, AI ;

YELKHOVSKY, AS .

PHYSICAL REVIEW A, 1993, 48 (01) :R15-R17

[2]

DRAKE GWF, COMMUNICATION

[3]

DRAKE WF, 1993, LONG RANGE CASIMIR F

[4] 1ST LASER EXCITATION OF THE HE-4 1(1)S-2(1)P RESONANCE LINE AT 58-NM [J].

EIKEMA, KSE ;

UBACHS, W ;

VASSEN, W ;

HOGERVORST, W .

PHYSICAL REVIEW LETTERS, 1993, 71 (11) :1690-1692

[5] OPTICAL-PHASE PERTURBATIONS IN NANOSECOND PULSED AMPLIFICATION AND 2ND-HARMONIC GENERATION [J].

GANGOPADHYAY, S ;

MELIKECHI, N ;

EYLER, EE .

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 1994, 11 (01) :231-241

[6] PRECISION-MEASUREMENT OF 2 IODINE LINES AT 585 NM AND 549 NM [J].

GRIESER, R ;

BONSCH, G ;

DICKOPF, S ;

HUBER, G ;

KLEIN, R ;

MERZ, P ;

NICOLAUS, A ;

SCHNATZ, H .

ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 1994, 348 (02) :147-150

[7] IONIZATION POTENTIALS AND LAMB SHIFTS OF THE GROUND STATES OF HE-4 AND HE-3 [J].

HERZBERG, G .

PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES, 1958, 248 (1254) :309-&

[8] HIGH-ACCURACY WAVE-NUMBER MEASUREMENTS IN MOLECULAR-IODINE [J].

HLOUSEK, L ;

FAIRBANK, WM .

OPTICS LETTERS, 1983, 8 (06) :322-323

[9]

ITO K, 1986, APPL OPTICS, V6, P837

[10] MEASUREMENT OF THE LAMB SHIFTS IN SINGLET LEVELS OF ATOMIC HELIUM [J].

LICHTEN, W ;

SHINER, D ;

ZHOU, ZX .

PHYSICAL REVIEW A, 1991, 43 (03) :1663-1665

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