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

A. Leredde 1 A. Cassimi 2 X. Fléchard 1 D. Hennecart 2 H. Jouin B. Pons 3
1 LPCC - Laboratoire de physique corpusculaire de Caen
2 CIMAP - UMR 6252 - Centre de recherche sur les Ions, les MAtériaux et la Photonique
3 CELIA - Centre d'Etudes Lasers Intenses et Applications
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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http://hal.in2p3.fr/in2p3-00682613
Contributor : Sandrine Guesnon <>
Submitted on : Monday, March 26, 2012 - 2:01:35 PM
Last modification on : Monday, November 23, 2020 - 6:22:05 PM

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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, American Physical Society, 2012, 85, pp.032710. ⟨10.1103/PhysRevA.85.032710⟩. ⟨in2p3-00682613⟩

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