We report an uncertainty evaluation of an optical lattice clock based on the (1)S(0) <-> (3)P(0), transition in the bosonic isotope (174)Yb by use of magnetically induced spectroscopy. The absolute frequency of the (1)S(0) <-> (3)P(0) transition has been determined through comparisons with optical and microwave standards at NIST. The weighted mean of the evaluations is nu((174)Yb)=518 294 025 309 217.8(0.9) Hz. The uncertainty due to systematic effects has been reduced to less than 0.8 Hz, which represents 1.5 X 10(-15) in fractional frequency.
Frequency evaluation of the doubly forbidden (1)S(0)->(3)P(0) transition in bosonic (174)Yb / N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, T. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, T. Heavner, T. Parker. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - STAMPA. - 77:(2008), pp. 050501-1-050501-4. [10.1103/PhysRevA.77.050501]
Frequency evaluation of the doubly forbidden (1)S(0)->(3)P(0) transition in bosonic (174)Yb
POLI, NICOLA;
2008
Abstract
We report an uncertainty evaluation of an optical lattice clock based on the (1)S(0) <-> (3)P(0), transition in the bosonic isotope (174)Yb by use of magnetically induced spectroscopy. The absolute frequency of the (1)S(0) <-> (3)P(0) transition has been determined through comparisons with optical and microwave standards at NIST. The weighted mean of the evaluations is nu((174)Yb)=518 294 025 309 217.8(0.9) Hz. The uncertainty due to systematic effects has been reduced to less than 0.8 Hz, which represents 1.5 X 10(-15) in fractional frequency.
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