Accuracy evaluation of NIST-F1

  title={Accuracy evaluation of NIST-F1},
  author={J. H. Shirley and Thomas E. Parker and Thomas P. Heavner and D. M. Meekhof and C. Van Nelson and Filippo Levi and Giovanna Costanzo and Armanda De Marchi and R E Drullinger and Leo Hollberg and W. D. Lee and Fred L. Walls},
The evaluation procedure of a new laser-cooled caesium fountain primary frequency standard developed at the National Institute of Standards and Technology (NIST) is described. The new standard, NIST-F1, is described in some detail and typical operational parameters are discussed. Systematic frequency biases for which corrections are made – second-order Zeeman shift, black-body radiation shift, gravitational red shift and spin-exchange shift – are discussed in detail. Numerous other frequency… CONTINUE READING
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