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Double photoexcitation involving 2p and 4f electrons in L-3-edge x-ray absorption spectra of protactinium

C. Hennig C. Le Naour 1 C. den Auwer 2
1 IPNO - Institut de Physique Nucléaire d'Orsay
2 SCPS - Service de Chimie des Procédés de Séparation
Abstract : The L3-edge x-ray absorption spectrum of Pa(V) fluoride in aqueous solution show clear evidence for the double photoexcitation involving 2p and 4f electrons. A comparison with the [2p4f] double-electron excitations observed in the L3-edge x-ray absorption spectra of other actinides (thorium, uranium, neptunium, plutonium, and americium) indicates a monotonic increase in the excitation energy. The sharp edgelike structure of the multielectron excitation reveals the origin of a shake-up channel.
Keywords : protactinium X-ray absorption
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Journal articles
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http://hal.in2p3.fr/in2p3-00421652
Contributor : Sophie Heurteau <>
Submitted on : Friday, October 2, 2009 - 2:51:02 PM
Last modification on : Thursday, November 19, 2020 - 8:06:01 AM

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C. Hennig, C. Le Naour, C. den Auwer. Double photoexcitation involving 2p and 4f electrons in L-3-edge x-ray absorption spectra of protactinium. Physical Review B: Condensed Matter and Materials Physics, American Physical Society, 2008, 77, pp.235102. ⟨10.1103/PhysRevB.77.235102⟩. ⟨in2p3-00421652⟩

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