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Journals

Observation of the 1S0-3P0 clock transition in 27Al+

Author(s)
Till P. Rosenband, P. O. Schmidt, David Hume, Wayne M. Itano, Tara M. Fortier, Jason Stalnaker, Scott A. Diddams, Jeroen Koelemeij, James C. Bergquist, David J. Wineland
We report for the first time, laser spectroscopy of the 1S 0 – 3P 0 clock transition in 27Al +. A single aluminum ion and a single beryllium ion are

Connecting the Dots

Author(s)
Stephen D. Quinn
Establishing traceability from high-level Federal Information Security Management Act (FISMA) requirements to specific mechanisms to secure hardware and

Supplement to the 2004 Update of the AAPM Task Group No. 43 Report

Author(s)
Mark J. Rivard, Wayne Butler, Larry A. DeWerd, Saiful M. Huq, Geoffrey S. Ibbott, Christopher Melhus, Michael G. Mitch, Ravinder Nath, J Williamson
Since publication of the 2004 update to the American Association of Physicists in Medicine (AAPM) Task Group No. 43 Report (AAPM TG-43U1), several new low

Current Ripple Effect on n-Value

Author(s)
Loren F. Goodrich, Jolene Splett
We studied the systematic effect of current ripple on the determination of n-value, which is the index of the shape of the electric field-current (E-I) curve
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