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Electric field effect on fast hydrogen atoms emerging from thin carbon foils

par Dehaes, Jean-Claude ;Carmeliet, Jacques ;Berry, Gordon
Référence Physical review. A, Atomic, Molecular, and Optical Physics, 40, 10, page (5583-5591)
Publication Publié, 1989

Article révisé par les pairs

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Résumé :

When fast hydrogen atoms emerge from a thin carbon target, they interact with an electric field produced by the target itself. We have studied this interaction by measuring the total intensity and polarization of the Balmer lines as a function of the beam current. We have shown that the electric field increases with the beam current and acts over a distance of a few millimeters beyond the foil. A theoretical model has been developed. It reproduces the main features of the experimental data. © 1989 The American Physical Society.