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Antihydrogen-hydrogen annihilation at sub-kelvin temperatures

Abstract : 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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http://hal.in2p3.fr/in2p3-00011638
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Submitted on : Friday, April 27, 2001 - 2:16:19 PM
Last modification on : Thursday, November 19, 2020 - 12:58:37 PM

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A.Yu. Voronin, J. Carbonell. Antihydrogen-hydrogen annihilation at sub-kelvin temperatures. 17th European Conference on Few-Body Problems in Physics, Sep 2000, Evora, Portugal. pp.529-532. ⟨in2p3-00011638⟩

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