Positron annihilation in the positronium negative ion Ps

@article{Frolov2005PositronAI,
  title={Positron annihilation in the positronium negative ion Ps},
  author={A. M. Frolov},
  journal={Physics Letters A},
  year={2005},
  volume={342},
  pages={430-438}
}
Abstract The energy and other bound state properties of the positronium negative ion Ps − (or e − e + e − ) are determined to high accuracy with the use of extremely accurate variational wave functions. The determined total energy of the ground state in the Ps − ion E = − 0.26200507023298010776885 a.u. is the lowest variational value obtained for this system. The two-, three- and one-photon annihilation rates are determined with the highly accurate wave functions. We also consider the… Expand
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