Antihydrogen-Hydrogen annihilation at sub-kelvin temperatures

Details Antihydrogen-Hydrogen annihilation at sub-kelvin temperatures Antihydrogen-Hydrogen annihilation at sub-kelvin temperatures

2002-09-11

arxiv.org/abs/physics/0209044v3

Nucl. Phys. A689(2001) 529c

Physics

Atomic Physics

2 figures

Scientific paper

10.1016/S0375-9474(01)00897-1

Annihilation cross-section of ultra low-energy atomic antihydrogen ($% E\le10^{-5}$ a.u.) on atomic hydrogen are calculated within a quantum mechanical coupled channels approach. The results differ from the extrapolations of semiclassical models to low energies. The main features of the observables are found to be determined by a family of $H\bar{H}$ nearthreshold states.

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