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Following the Birth of a Nanoplasma Produced by an Ultrashort Hard-X-Ray Laser in Xenon Clusters

Following the Birth of a Nanoplasma Produced by an Ultrashort Hard-X-Ray Laser in Xenon Clusters

Authors :
30273436
Kumagai, Yoshiaki
Fukuzawa, Hironobu
Motomura, Koji
Iablonskyi, Denys
Nagaya, Kiyonobu
Wada, Shin-ichi
Ito, Yuta
Takanashi, Tsukasa
Sakakibara, Yuta
You, Daehyun
Nishiyama, Toshiyuki
Asa, Kazuki
Sato, Yuhiro
Umemoto, Takayuki
Kariyazono, Kango
Kukk, Edwin
Kooser, Kuno
Nicolas, Christophe
Miron, Catalin
Asavei, Theodor
Neagu, Liviu
Schöffler, Markus S.
Kastirke, Gregor
Liu, Xiao-jing
Owada, Shigeki
Katayama, Tetsuo
Togashi, Tadashi
Tono, Kensuke
Yabashi, Makina
Golubev, Nikolay V.
Gokhberg, Kirill
Cederbaum, Lorenz S.
Kuleff, Alexander I.
Ueda, Kiyoshi
30273436
Kumagai, Yoshiaki
Fukuzawa, Hironobu
Motomura, Koji
Iablonskyi, Denys
Nagaya, Kiyonobu
Wada, Shin-ichi
Ito, Yuta
Takanashi, Tsukasa
Sakakibara, Yuta
You, Daehyun
Nishiyama, Toshiyuki
Asa, Kazuki
Sato, Yuhiro
Umemoto, Takayuki
Kariyazono, Kango
Kukk, Edwin
Kooser, Kuno
Nicolas, Christophe
Miron, Catalin
Asavei, Theodor
Neagu, Liviu
Schöffler, Markus S.
Kastirke, Gregor
Liu, Xiao-jing
Owada, Shigeki
Katayama, Tetsuo
Togashi, Tadashi
Tono, Kensuke
Yabashi, Makina
Golubev, Nikolay V.
Gokhberg, Kirill
Cederbaum, Lorenz S.
Kuleff, Alexander I.
Ueda, Kiyoshi
Publication Year :
2018

Abstract

X-ray free-electron lasers (XFELs) made available a new regime of x-ray intensities, revolutionizing the ultrafast structure determination and laying the foundations of the novel field of nonlinear x-ray optics. Although earlier studies revealed nanoplasma formation when an XFEL pulse interacts with any nanometer-scale matter, the formation process itself has never been decrypted and its timescale was unknown. Here we show that time-resolved ion yield measurements combined with a near-infrared laser probe reveal a surprisingly ultrafast population (∼ 12 fs), followed by a slower depopulation (∼ 250 fs) of highly excited states of atomic fragments generated in the process of XFEL-induced nanoplasma formation. Inelastic scattering of Auger electrons and interatomic Coulombic decay are suggested as the mechanisms populating and depopulating, respectively, these excited states. The observed response occurs within the typical x-ray pulse durations and affects x-ray scattering, thus providing key information on the foundations of x-ray imaging with XFELs.

Details

Database :
OAIster
Notes :
English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1088303025
Document Type :
Electronic Resource