Lifetime measurement of the 5d$^2$D$_{5/2}$ state in Ba$^+$

Amita Mohanty; Andrew T. Grier; Elwin A. Dijck; Klaus Jungmann; Lorenz Willmann; Mayerlin Nu\~nez Portela; Nivedya Valappol; Thomas Meijknecht

arxiv: 1504.03023 · v1 · pith:6NTHWWCRnew · submitted 2015-04-12 · ⚛️ physics.atom-ph

Lifetime measurement of the 5d²D_(5/2) state in Ba^+

Amita Mohanty , Elwin A. Dijck , Mayerlin Nu\~nez Portela , Nivedya Valappol , Andrew T. Grier , Thomas Meijknecht , Lorenz Willmann , Klaus Jungmann This is my paper

classification ⚛️ physics.atom-ph

keywords statebeenlifetimepressureextrapolationhighindividualmbar

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The lifetime of the metastable 5d$^2$D$_{5/2}$ state has been measured for a single trapped Ba$^+$ ion in a Paul trap in Ultra High Vacuum (UHV) in the 10$^{-10}$ mbar pressure range. A total of 5046 individual periods when the ion was shelved in this state have been recorded. A preliminary value $\tau_{D_{5/2}} = 26.4(1.7)$~s is obtained through extrapolation to zero residual gas pressure.

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Lifetime measurement of the 5d²D_(5/2) state in Ba^+

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