Electrostatic trapping of metastable NH molecules

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dc.creatorHoekstra, Steven
dc.creatorMetsala, Markus
dc.creatorZieger, Peter C.
dc.creatorScharfenberg, Ludwig
dc.creatorGilijamse, Joop J.
dc.creatorMeijer, Gerard
dc.creatorvan de Meerakker, Sebastiaan Y. T.
dc.date2007-09-20
dc.date2008-01-07
dc.date.accessioned2026-07-07T08:52:30Z
dc.date.available2026-07-07T08:52:30Z
dc.descriptionWe report on the Stark deceleration and electrostatic trapping of $^{14}$NH ($a ^1Δ$) radicals. In the trap, the molecules are excited on the spin-forbidden $A ^3Π\leftarrow a ^1Δ$ transition and detected via their subsequent fluorescence to the $X ^3Σ^-$ ground state. The 1/e trapping time is 1.4 $\pm$ 0.1 s, from which a lower limit of 2.7 s for the radiative lifetime of the $a ^1Δ, v=0,J=2$ state is deduced. The spectral profile of the molecules in the trapping field is measured to probe their spatial distribution. Electrostatic trapping of metastable NH followed by optical pumping of the trapped molecules to the electronic ground state is an important step towards accumulation of these radicals in a magnetic trap.
dc.descriptionreplaced with final version, added journal reference
dc.identifierhttps://arxiv.org/abs/0709.3212
dc.identifierhttp://arxiv.org/abs/0709.3212
dc.identifierPhysical Review A, 76, 063408 (2007)
dc.identifierdoi:10.1103/PhysRevA.76.063408
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/145298
dc.subjectAtomic Physics
dc.subjectChemical Physics
dc.titleElectrostatic trapping of metastable NH molecules
dc.typetext

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