Precision lifetime measurements of the 6 states in atomic cesium
RJ Rafac, CE Tanner, AE Livingston, KW Kukla… - Physical Review A, 1994 - APS
We report measurements of the 6 p 2 P 1/2 and 6 p 2 P 3/2 state lifetimes in the Cs 133 atom
with precisions of 0.23% and 0.27%, respectively. The results are important to the
interpretation of the next generation of parity nonconservation experiments in atomic cesium.
A diode laser was used to selectively excite a fast beam of neutral cesium atoms. The decay
in flight of the fluorescence was observed with photon-counting detectors. The lifetime
results are 34.934±0.094 ns for the 6 p 2 P 1/2 state and 30.499±0.070 ns for the 6 p 2 P 3/2 …
with precisions of 0.23% and 0.27%, respectively. The results are important to the
interpretation of the next generation of parity nonconservation experiments in atomic cesium.
A diode laser was used to selectively excite a fast beam of neutral cesium atoms. The decay
in flight of the fluorescence was observed with photon-counting detectors. The lifetime
results are 34.934±0.094 ns for the 6 p 2 P 1/2 state and 30.499±0.070 ns for the 6 p 2 P 3/2 …
Abstract
We report measurements of the 6 p 2 P 1/2 and 6 p 2 P 3/2 state lifetimes in the Cs 133 atom with precisions of 0.23% and 0.27%, respectively. The results are important to the interpretation of the next generation of parity nonconservation experiments in atomic cesium. A diode laser was used to selectively excite a fast beam of neutral cesium atoms. The decay in flight of the fluorescence was observed with photon-counting detectors. The lifetime results are 34.934±0.094 ns for the 6 p 2 P 1/2 state and 30.499±0.070 ns for the 6 p 2 P 3/2 state. We present comparisons with previous measurements and with relativistic many-body calculations of alkali-metal-atom transition matrix elements.
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