# SIGNATURE OF THE EXISTENCE OF THE POSITRONIUM MOLECULE

@article{Usukura1998SIGNATUREOT,
title={SIGNATURE OF THE EXISTENCE OF THE POSITRONIUM MOLECULE},
author={J. Usukura and K. Varga and Y. University and Atomki},
journal={Physical Review A},
year={1998},
volume={58},
pages={1918-1931}
}
• J. Usukura, +1 author Atomki
• Published 1998
• Physics
• Physical Review A
• The positronium molecule $({\mathrm{Ps}}_{2})$ has not been experimentally observed yet because its tiny (4.5 eV) binding energy cannot be detected when the molecule annihilates by emitting two photons with energy of 0.51 MeV each. It is shown in this paper that the electric dipole transition between the recently found $L=1$ excited state and the $L=0$ ground state with its characteristic photon energy of 4.94 eV is a clear signature of the existence of the positronium molecule and the… CONTINUE READING
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