Published in
IOP Publishing, Journal of Physics: Conference Series, 3(194), p. 032057, 2009
DOI: 10.1088/1742-6596/194/3/032057
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Sequential and direct two-photon double ionization of D<sub>2</sub>at FLASH
Journal article published in 2009 by
Y. H. Jiang,
A. Rudenko 
,
K. U. Kühnel,
Th Ergler,
S. Lüdemann,
K. Zrost,
D. Fischer,
J. Pérez-Torres,
E. Plésiat,
F. Martín,
L. Foucar,
J. Titze,
M. Schöffler,
R. Dörner,
J. L. Sanz-Vicario
and other authors.
,
K. U. Kühnel,
Th Ergler,
S. Lüdemann,
K. Zrost,
D. Fischer,
J. Pérez-Torres,
E. Plésiat,
F. Martín,
L. Foucar,
J. Titze,
M. Schöffler,
R. Dörner,
J. L. Sanz-Vicario
and other authors.
This paper is made freely available by the publisher.
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Abstract
Sequential and direct two-photon double ionization (DI) of D2 molecule is studied experimentally and theoretically at a photon energy of 38.8 eV. Experimental and theoretical kinetic energy releases of D++D+fragments, consisting of the contributions of sequential DI via the D2+(1sσg) state and direct DI via a virtual state, agree well with each other.