Title :
Testing the stability of the fine structure constant using the /sup 199/Hg/sup +/ single-ion optical clock
Author :
Bize, S. ; Diddams, S.A. ; Tanaka, U. ; Tanner, C.E. ; Oskay, W.H. ; Drullinger, R.E. ; Parker, T. ; Heavner, T. ; Jefferts, S.R. ; Hollberg, L. ; Itano, W.M. ; Bergquist, J.C.
Author_Institution :
Div. Time & Frequence, Nat. Inst. of Stand. & Technol., Boulder, CO, USA
Abstract :
Summary form only given. Measurements of the frequency of the /sup 199/Hg/sup +/ ion optical clock versus the cesium primary standard over a two year period can be interpreted as a stringent test of the stability of the fine structure constant.
Keywords :
atomic clocks; frequency standards; mercury (metal); positive ions; radiation pressure; trapped ions; /sup 199/Hg/sup +/ single-ion optical clock; Hg; fine structure constant; frequency measurement; stability testing; Atom optics; Atomic measurements; Clocks; Frequency measurement; Mercury (metals); Optical harmonic generation; Stability; Testing; Time measurement; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.237986