The Confinement of Ions

  • F. G. Major

Abstract

The development of atomic standards based on quantum resonance in neutral atoms confined by diffusion through a buffer gas, or collisions with inert walls, culminated in the hydrogen maser, a standard of astonishingly high stability. However, as explained in the last chapter, for certain applications the hydrogen maser suffers from two deficiencies: First, its lack of portability due to its size and the need for elaborate magnetic shielding, and second, the wall shift that limits its absolute accuracy, and disqualifies it as a primary standard.

Keywords

Microwave Depression Mercury Ferrite Helium 

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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • F. G. Major
    • 1
  1. 1.Severna ParkUSA

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