The Ultra-Low-Energy Isotope Spectrometer (ULEIS) for the ACE spacecraft

@article{Mason1998TheUI,
  title={The Ultra-Low-Energy Isotope Spectrometer (ULEIS) for the ACE spacecraft},
  author={Glenn M. Mason and Robert E. Gold and Stamatios M. Krimigis and James E. Mazur and G. Bruce Andrews and K. A. Daley and Jason R. Dwyer and Karl F. Heuerman and Tommy L. James and M. J. Kennedy and Thomas W. LeFevere and H Malcolm and B. E. Tossman and Peter H. Walpole},
  journal={Space Science Reviews},
  year={1998},
  volume={86},
  pages={409-448}
}
The Ultra Low Energy Isotope Spectrometer (ULEIS) on the ACE spacecraft is an ultra high resolution mass spectrometer designed to measure particle composition and energy spectra of elements He-Ni with energies from ∼45 keV nucl−1 to a few MeV nucl−1. ULEIS will investigate particles accelerated in solar energetic particle events, interplanetary shocks, and at the solar wind termination shock. By determining energy spectra, mass composition, and their temporal variations in conjunction with… 

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