Precision measurement of the metastable 3 P 2 lifetime of neon
作者： Martin Zinner , Peter Spoden , Tobias Kraemer , Gerhard Birkl , Wolfgang Ertmer
DOI: 10.1103/PHYSREVA.67.010501
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摘要: The lifetime of the metastable {sup 3}P{sub 2} state neon has been determined as 14.73(14) s [decay rate 0.067 90(64) s{sup -1}] by measuring decay in fluorescence an ensemble 20}Ne atoms trapped a magneto-optical trap (MOT). Due to low background gas pressure (p<5x10{sup -11} mbar) and relative excitation 3}D{sub 3} (0.5 % probability) only small corrections have be included extrapolation. Together with careful analysis residual loss mechanisms MOT determination high precision is achieved.
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