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We performed first single-shot ion velocity map imaging experiments on Xe clusters at the FLASH FEL at HASYLAB in Hamburg. Xe was resonantly excited at the 4d core level with up to 10exp14 W/cm2. The data show an isotropic spatial ion distribution. Further, indications for a bimodal ion energy distribution may be visible as function of power density. The data is discussed and compared to recent theoretical predictions. |
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