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Journal Articles Physical Review A : Atomic, molecular, and optical physics Year : 2012

Atomic-matter-wave diffraction evidenced in low-energy Na++Rb charge-exchange collisions

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Abstract

Single charge transfer in low-energy Na++87Rb(5s,5p) collisions is investigated using magneto-optically trapped Rb atoms and high-resolution recoil-ion momentum spectroscopy. The three-dimensional reconstruction of the recoil-ion momentum provides accurate relative cross sections for the active channels along with their associated distributions in projectile scattering angle. The measurements are accompanied by molecular close-coupling calculations. The predicted diffractionlike oscillations in angular distributions are clearly resolved by the experiment. An excellent agreement is found between the present molecular calculations and the experimental data.
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Dates and versions

in2p3-00682613 , version 1 (26-03-2012)

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A. Leredde, A. Cassimi, X. Fléchard, D. Hennecart, H. Jouin, et al.. Atomic-matter-wave diffraction evidenced in low-energy Na++Rb charge-exchange collisions. Physical Review A : Atomic, molecular, and optical physics, 2012, 85, pp.032710. ⟨10.1103/PhysRevA.85.032710⟩. ⟨in2p3-00682613⟩
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