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Unusual under-threshold ionization of neon clusters studied by ion spectroscopy
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2013 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 46, no 16 SI, 164023Article in journal (Refereed) Published
Abstract [en]

We carried out time-of-flight mass spectrometry for neon clusters that were exposed to intense free electron laser pulses with the wavelength of 62 nm, which induce optical transition from the ground state (2s(2) 2p(6)) to an excited state (2s(2) 2p(5) nl) in the Ne atoms. In contrast to Ne+ ions produced by two-photon absorption from isolated Ne atoms, the Ne+ ion yield from Ne clusters shows a linear dependence on the laser intensity (I). We discuss the ionization mechanisms which give the linear behaviour with respect to I and expected features in the electron emission spectrum.

Place, publisher, year, edition, pages
2013. Vol. 46, no 16 SI, 164023
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:uu:diva-210259DOI: 10.1088/0953-4075/46/16/164023ISI: 000323113100024OAI: oai:DiVA.org:uu-210259DiVA: diva2:661877
Available from: 2013-11-05 Created: 2013-11-04 Last updated: 2016-03-07Bibliographically approved

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Feifel, Raimund
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Molecular and condensed matter physics
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