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Originalpublikation
Zinner, M.; Spoden, P.; Kraemer, T.; Birkl, G.; Ertmer, W.: Precision measurement of the metastable 3P2 lifetime of neon. In: Physical Review A 67 (2003), Nr. 1, 4. DOI: https://doi.org/10.1103/PhysRevA.67.010501
The lifetime of the metastable 3P2 state of neon has been determined as 14.73(14)s [decay rate 0.06790(64)s−1] by measuring the decay in fluorescence of an ensemble of 20Ne atoms trapped in a magneto-optical trap (MOT). Due to low background gas pressure (p<5×10−11mbar) and low relative excitation to the 3D3 state (0.5 % excitation probability) only small corrections have to be included in the lifetime extrapolation. Together with a careful analysis of residual loss mechanisms in the MOT a lifetime determination to high precision is achieved.
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