Publication: Magnetic Trapping of NH Molecules with 20 s Lifetimes
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Date
2010
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Institute of Physics
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Citation
Tsikata, E., W. C. Campbell, M. T. Hummon, Hsin-I Lu, and John M. Doyle. 2010. Magnetic trapping of NH molecules with 20 s lifetimes. New Journal of Physics 12(6): 065028.
Abstract
Buffer gas cooling is used to trap NH molecules with 1/e lifetimes exceeding 20 s. Helium vapor generated by laser desorption of a helium film is employed to thermalize 10(^5) molecules at a temperature of 500 mK in a 3.9 T magnetic trap. Long molecule trapping times are attained through rapid pumpout of residual buffer gas. Molecules experience a helium background gas density below 1×10(^{12}) cm(^{−3}).
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atomic and molecular physics
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