Doppler effect in resonant photoemission from SF6: correlation between Doppler profile and Auger emission anisotropy |
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| Authors: | Kitajima M Ueda K De Fanis A Furuta T Shindo H Tanaka H Okada K Feifel R Sorensen S L Gel'mukhanov F Baev A Agren H |
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| Institution: | Department of Physics, Sophia University, Tokyo 102-8554, Japan. |
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| Abstract: | Fragmentation of the SF6 molecule upon F 1s excitation has been studied by resonant photoemission. The F atomiclike Auger line exhibits the characteristic Doppler profile that depends on the direction of the photoelectron momentum relative to the polarization vector of the radiation as well as on the photon energy. The measured Doppler profiles are analyzed by the model simulation that takes account of the anisotropy of the Auger emission in the molecular frame. The Auger anisotropy extracted from the data decreases with an increase in the F-SF5 internuclear distance. |
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