@article{ellis_yang_2007, 
  title={Model for the charge-transfer probability in helium nanodroplets following electron-impact ionization}, 
  volume={76}, 
  DOI={10.1103/physreva.76.032714}, 
  publisher={American Physical Society (APS)}, 
  author={Ellis and Yang}, 
  year={2007}, 
  month={Sep}
  }