Accurate measurement of the 2(3)S(1)-3(3)D(1) two-photon transition frequency in helium: New determination of the 2(3)S(1) Lamb shift

被引:58
作者
Dorrer, C
Nez, F
deBeauvoir, B
Julien, L
Biraben, F
机构
[1] ECOLE NORMALE SUPER,LAB KASTLER BROSSEL,F-75252 PARIS 05,FRANCE
[2] UNIV PARIS 06,LAB CNRS URA 18,F-75252 PARIS 05,FRANCE
关键词
D O I
10.1103/PhysRevLett.78.3658
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have performed a precise measurement of the 2(3)S(1)-3(3)D(1) two-photon transition frequency in He-4 at 762 nm. The 2(3)S(1)-3(3)D(1) frequency is 786823850.002(56) MHz, with a relative uncertainty of 7.1 x 10(-11). The deduced 2(3)S(1) Lamb shift is 4057.276(60) MHz. This result, the most accurate at the present time, reduces the uncertainty in the 2(3)S(1) Lamb shift by 1 order of magnitude and is 100 times more precise than the theoretical prediction [4062.3(8.0) MHz].
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页码:3658 / 3661
页数:4
相关论文
共 26 条
[1]   PRECISION-MEASUREMENT OF THE 2(3)S-]3(3)P TRANSITION IN HE-4 [J].
ADAMS, CS ;
RIIS, E ;
FERGUSON, AI ;
ROWLEY, WRC .
PHYSICAL REVIEW A, 1992, 45 (05) :R2667-R2670
[2]  
BAKER JD, 1993, B AM PHYS SOC, V38, P1127
[3]   PRECISE OPTICAL MEASUREMENT OF LAMB SHIFTS IN ATOMIC-HYDROGEN [J].
BERKELAND, DJ ;
HINDS, EA ;
BOSHIER, MG .
PHYSICAL REVIEW LETTERS, 1995, 75 (13) :2470-2473
[4]   LINE-SHAPES IN DOPPLER-FREE 2-PHOTON SPECTROSCOPY - EFFECT OF FINITE TRANSIT-TIME [J].
BIRABEN, F ;
BASSINI, M ;
CAGNAC, B .
JOURNAL DE PHYSIQUE, 1979, 40 (05) :445-455
[5]  
BORDE C, 1976, CR HEBD ACAD SCI, V282, pB341
[6]   High resolution spectroscopy of the hydrogen atom: Determination of the 1S Lamb shift [J].
Bourzeix, S ;
deBeauvoir, B ;
Nez, F ;
Plimmer, MD ;
deTomasi, F ;
Julien, L ;
Biraben, F ;
Stacey, DN .
PHYSICAL REVIEW LETTERS, 1996, 76 (03) :384-387
[7]   EFFICIENT FREQUENCY DOUBLING OF A CONTINUOUS-WAVE TITANIUM - SAPPHIRE LASER IN AN EXTERNAL ENHANCEMENT CAVITY [J].
BOURZEIX, S ;
PLIMMER, MD ;
NEZ, F ;
JULIEN, L ;
BIRABEN, F .
OPTICS COMMUNICATIONS, 1993, 99 (1-2) :89-94
[8]   Absolute frequency measurement of the 2S-8S/D transitions in hydrogen and deuterium: New determination of the Rydberg constant [J].
deBeauvoir, B ;
Nez, F ;
Julien, L ;
Cagnac, B ;
Biraben, F ;
Touahri, D ;
Hilico, L ;
Acef, O ;
Clairon, A ;
Zondy, JJ .
PHYSICAL REVIEW LETTERS, 1997, 78 (03) :440-443
[9]  
Drake GW, 1996, ATOMIC MOL OPTICAL P
[10]  
DRAKE GWF, 1993, LONG RANGE CASIMIR F