The Preliminaries

  1. *Title: Physics Fundamental Constants 137 a.
  2. Presenter: Keith the Complex Number
  3. From: Michigan

    Background

  4. *Pi constant? No! Getting longer!, BBP pi formula
  5. *Quiz What is Alpha?
  6. In the Beginning, Alpha
  7. *The Precision of Alpha
  8. Is Alpha Constant?

    Methods of Measuring e Precisely

  9. *Methods of Measuring Alpha Precisely
  1. Quantum Hall Effect
  2. a.c. Josephson Effect
  3. g-2, electron, positron, muon, QED
  4. Muon Hyperfine Structure
  5. Slow Neutron de Broglie Wavelength

    Cesium Fine Structure

  6. Cesium, the Alkali
  7. Cesium, the Second Standard
  8. *Cesium, Recent D1,D2 Measurements
  9. Cesium, Recent Mass Determination
  10. Cesium, Recent Recoil Determination
  11. *Error Analysis for Alpha

    Cesium D1 894nm Laser

  12. *Vladi's D2 (852 nm) Laser setup
  13. *My D1 (894.5 nm) Laser
  14. NIST's Femtosecond Laser
  15. *Difficulties/Problems/Solutions
  16. *Questions and Answers next