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Lifetime measurement of the first vibrationally excited state of MgH super(+) in a cryogenic Paul Trap (CryPTEx)
A method is presented to measure the decay rate of the first excited vibrational state of polar molecular ions being part of a Coulomb crystal in a cryogenic linear Paul trap. Specifically, we have monitored the decay of the |v=1,J=1> sub(X) towards the |v=0,J=0> sub(X) level in MgH super(+) b...
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| Published in: | CPEM digest 2014-08, p.56-57 |
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| creator | Versolato, O O Schwarz, M Hansen, A K Gingell, AD Windberger, A Klosowski, L Ullrich, J Lopez-Urrutia, Crespo Jensen, F Drewsen, M |
| description | A method is presented to measure the decay rate of the first excited vibrational state of polar molecular ions being part of a Coulomb crystal in a cryogenic linear Paul trap. Specifically, we have monitored the decay of the |v=1,J=1> sub(X) towards the |v=0,J=0> sub(X) level in MgH super(+) by saturated laser excitation of the |v=0,J=2> sub(X) - |v=1,J=1> sub(X) transition followed by state selective resonance-enhanced two-photon dissociation out of the |v=0,J=2> sub(X) level. The technique can be extended to other simple molecular ions and it enables the determination, with an accuracy at the few percent level, of decay rates and thus absorption strengths. |
| doi_str_mv | 10.1109/CPEM.2014.6898256 |
| format | article |
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| identifier | ISBN: 1479952052 |
| ispartof | CPEM digest, 2014-08, p.56-57 |
| issn | 2160-0171 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1701077141 |
| source | IEEE Xplore All Conference Series |
| subjects | Conferences Coulomb friction Crystals Decay Decay rate Excitation Lasers Molecular ions Vibrational states |
| title | Lifetime measurement of the first vibrationally excited state of MgH super(+) in a cryogenic Paul Trap (CryPTEx) |
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