Lowest Open Channels, Bound States, and Narrow Resonances of Dipositronium

Details Lowest Open Channels, Bound States, and Narrow Resonances of Dipositronium Lowest Open Channels, Bound States, and Narrow Resonances of Dipositronium

2003-09-25

arxiv.org/abs/physics/0309105v1

Phys. Rev. A 67 (2003) 042505

Physics

Atomic Physics

10 pages, 0 figures

Scientific paper

10.1103/PhysRevA.67.042505

The constraints imposed by symmetry on the open channels of dipositronium has been studied, and the symmetry-adapted lowest open channel of each quantum state has been identified. Based on this study, the existence of two more 0^+ bound states has been theoretically confirmed, and a 0^+ narrow resonance has been predicted. A variational calculation has been performed to evaluate the critical strength of the repulsive interaction . Two 0^- states are found to have their critical strengths very close to 1, they are considered as candidates of new narrow resonances or loosely bound states .

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