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Feasibility of a storage ring for polar molecules in strong-field-seeking states

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Abstract.

We show, through modeling and simulation, that it is feasible to construct a storage ring that will store dense bunches of strong-field-seeking polar molecules at 30 m/s (kinetic energy of 2 K) and hold them, for several minutes, against losses due to defocusing, oscillations, and diffusion. The ring, 3 m in diameter, has straight sections that afford access to the stored molecules and a lattice structure that may be adapted for evaporative cooling. Simulation is done using a newly-developed code that tracks the particles, in time, through 400 turns; it accounts for longitudinal velocity changes as a function of external electric field, focusing and deflection nonlinearities, and the effects of gravity. An injector, decelerator, and source are included and intensities are calculated.

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Author information

Authors and Affiliations

  1. Lawrence Berkeley National Laboratory, University of California, Mail Stop 80-101, 94720, Berkeley, California, USA

    H. Nishimura

  2. Lawrence Berkeley National Laboratory, University of California, Mail Stop 71-259, 94720, Berkeley, California, USA

    G. Lambertson, J. G. Kalnins & H. Gould

Authors
  1. H. Nishimura
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  2. G. Lambertson
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  3. J. G. Kalnins
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  4. H. Gould
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Corresponding author

Correspondence to H. Nishimura.

Additional information

Received: 2nd July 2004, Published online: 23 November 2004

PACS:

29.20.Dh Storage rings - 41.75.Lx Other advanced accelerator concepts - 33.80.Ps Optical cooling of molecules; trapping - 39.90. + d Other instrumentation and techniques for atomic and molecular physics - 33.55.Be Zeeman and Stark effects

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Nishimura, H., Lambertson, G., Kalnins, J.G. et al. Feasibility of a storage ring for polar molecules in strong-field-seeking states. Eur. Phys. J. D 31, 359–364 (2004). https://doi.org/10.1140/epjd/e2004-00153-8

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  • DOI: https://doi.org/10.1140/epjd/e2004-00153-8

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