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Real-time observation of X-ray-induced intramolecular and interatomic electronic decay in CH2I2

Fukuzawa, Hironobu (author)
Tohoku University
Takanashi, Tsukasa (author)
Kukk, Edwin (author)
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Motomura, Koji (author)
Wada, Shin-ichi (author)
Nagaya, Kiyonobu (author)
Ito, Yuta (author)
Nishiyama, Toshiyuki (author)
Nicolas, Christophe (author)
Kumagai, Yoshiaki (author)
Iablonskyi, Denys (author)
Mondal, Subhendu (author)
Tachibana, Tetsuya (author)
You, Daehyun (author)
Yamada, Syuhei (author)
Sakakibara, Yuta (author)
Asa, Kazuki (author)
Sato, Yuhiro (author)
Sakai, Tsukasa (author)
Matsunami, Kenji (author)
Umemoto, Takayuki (author)
Kariyazono, Kango (author)
Kajimoto, Shinji (author)
Sotome, Hikaru (author)
Johnsson, Per (author)
Lund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
Schöffler, Markus S. (author)
Kastirke, Gregor (author)
Kooser, Kuno (author)
Liu, Xiao-Jing (author)
Asavei, Theodor (author)
Neagu, Liviu (author)
Molodtsov, Serguei (author)
Ochiai, Kohei (author)
Kanno, Manabu (author)
Yamazaki, Kaoru (author)
Owada, Shigeki (author)
Ogawa, Kanade (author)
Katayama, Tetsuo (author)
Togashi, Tadashi (author)
Tono, Kensuke (author)
Yabashi, Makina (author)
Ghosh, Aryya (author)
Gokhberg, Kirill (author)
Cederbaum, Lorenz S. (author)
Kuleff, Alexander I. (author)
Fukumura, Hiroshi (author)
Kishimoto, Naoki (author)
Rudenko, Artem (author)
Miron, Catalin (author)
Kono, Hirohiko (author)
Ueda, Kiyoshi (author)
Tohoku University
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 (creator_code:org_t)
2019-05-16
2019
English.
In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 10:1
Related links:
http://dx.doi.org/10... (free)
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https://www.nature.c...
https://lup.lub.lu.s...
https://doi.org/10.1...
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • The increasing availability of X-ray free-electron lasers (XFELs) has catalyzed the development of single-object structural determination and of structural dynamics tracking in real-time. Disentangling the molecular-level reactions triggered by the interaction with an XFEL pulse is a fundamental step towards developing such applications. Here we report real-time observations of XFEL-induced electronic decay via short-lived transient electronic states in the diiodomethane molecule, using a femtosecond near-infrared probe laser. We determine the lifetimes of the transient states populated during the XFEL-induced Auger cascades and find that multiply charged iodine ions are issued from short-lived (∼20 fs) transient states, whereas the singly charged ones originate from significantly longer-lived states (∼100 fs). We identify the mechanisms behind these different time scales: contrary to the short-lived transient states which relax by molecular Auger decay, the long-lived ones decay by an interatomic Coulombic decay between two iodine atoms, during the molecular fragmentation. © 2019, The Author(s).

Subject headings

NATURVETENSKAP  -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)

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