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Observation of intrashell radiative decay of Li-like uranium (2p(3/2)-2s(1/2)) using silicon drift detectors

Abstract : We observed the x-ray emission of 191.7 MeV u−1 Li-like uranium associated with resonant coherent excitation from 1s22s to 1s22p3/2 (4459 eV) in a thin silicon crystal target. De-excitation x-rays were observed by using large-area silicon drift detectors installed inside the target vacuum chamber together with their preamplifiers. We found that the x-ray yield under the resonance condition was clearly enhanced by a factor of three compared to that under the random incidence condition.
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Submitted on : Friday, April 6, 2012 - 3:17:51 PM
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Y. Nakano, Y. Takano, T. Shindo, T. Ikeda, Y. Kanai, et al.. Observation of intrashell radiative decay of Li-like uranium (2p(3/2)-2s(1/2)) using silicon drift detectors. 15th International Conference on the Physics of Highly Charged Ions, Aug 2010, Shanghai, China. pp.014010, ⟨10.1088/0031-8949/2011/T144/014010⟩. ⟨in2p3-00685979⟩

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