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Experimental observation of post-collision interaction and interference effects in resonant double photoionization
S Rioual1, B Rouvellou, L Avaldi
1UFR Sciences et Techniques, Université de Brest, 6 avenue V. Le Gorgeu, 29285 Brest Cedex, France.
Abstract:
The combined effects of post-collision interaction in the final state and interference due to the indistinguishability of the two electrons have been studied in a selected case of resonant double photoionization of neon. In our coincidence experiments, the photo- and Auger-electron pair was measured when the two electrons have nearly equal energy and are ejected at small mutual angle. The obtained energy distributions exhibit a strong interplay of post-collision interaction and interference effects, in agreement with the theoretical prediction of Sheinerman and Schmidt [J. Phys. B 30, 1677 (1997)] made on beryllium.