Lifetimes of the first excited states in Tm169, Tm171, and Cs134

Abstract

2. Preacceleration technique 37 3. Energy resolution 44 4. Electron detection 47 5. Time pickoff method 49 6. Time resolution 55 7. Time calibration 6l 8. Nonlinearity measurement and correction 64 9. Data analysis 66 IV. EXPERIMENTAL HALF-LIFE RESULTS 71 A. The 8.4-keV Level in Tm'^^ 71 B. The 5.0-keV Level in Tm'^' 90 C. The 11-keV Level in Cs'^^ 107