Simplest doubly charged negative ion: Nonexistence of H2- resonances.

@article{Robicheaux1994SimplestDC,
  title={Simplest doubly charged negative ion: Nonexistence of H2- resonances.},
  author={Robicheaux and Wood and Greene},
  journal={Physical review. A, Atomic, molecular, and optical physics},
  year={1994},
  volume={49 3},
  pages={1866-1874}
}