Lifetime interference effect on the angular distribution of the Auger electron 
emission following resonant Auger decay from 2p → 4s photoexcited Ar

Ueda, K.; Shimizu, Y.; Kabachnik, N.M.; Sazhina, I.P.; Wehlitz, R.; Becker, Uwe; Kitajima, M.; Tanaka, H.

doi:10.1088/0953-4075/32/13/102

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Lifetime interference effect on the angular distribution of the Auger electron emission following resonant Auger decay from 2p → 4s photoexcited Ar

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Becker, Uwe
Fritz Haber Institute, Max Planck Society;

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Citation

Ueda, K., Shimizu, Y., Kabachnik, N., Sazhina, I., Wehlitz, R., Becker, U., et al. (1999). Lifetime interference effect on the angular distribution of the Auger electron emission following resonant Auger decay from 2p → 4s photoexcited Ar. Journal of Physics B, 32(13), L291-L296. doi:10.1088/0953-4075/32/13/102.

Cite as: https://hdl.handle.net/21.11116/0000-0008-C8E8-1

Abstract

A strong alternation of Auger electron angular distributions is observed for the second-step Auger emission of Ar following 2p_3/2 → 4s and 2p_1/2 → 4s excitation. This effect, which gives rise not only to anisotropy suppression but also to the strong enhancement, is shown to originate from a coherent population of the Auger initial state due to the short decay time of the second-step Auger transition, the so-called lifetime interference effect.