2024-03-29T15:03:29Z
https://nagoya.repo.nii.ac.jp/oai
oai:nagoya.repo.nii.ac.jp:00030436
2023-01-16T04:50:36Z
1917:1918:1919
Multielectron-Ion Coincidence Spectroscopy of Xe in Extreme Ultraviolet Laser Fields: Nonlinear Multiple Ionization via Double Core-Hole States
Fushitani, M.
101182
Sasaki, Y.
101183
Matsuda, A.
101184
Fujise, H.
101185
Kawabe, Y.
101186
Hashigaya, K.
101187
Owada, S.
101188
Togashi, T.
101189
Nakajima, K.
101190
Yabashi, M.
101191
Hikosaka, Y.
101192
Hishikawa, A.
101193
Ultrafast multiphoton ionization of Xe in strong extreme ultraviolet free-electron laser (FEL) fields (91 eV, 30 fs, 1.6×10^12 W/cm2) has been investigated by multielectron-ion coincidence spectroscopy. The electron spectra recorded in coincidence with Xe^4+ show characteristic features associated with two-photon absorption to the 4d^−2 double core-hole (DCH) states and subsequent Auger decay. It is found that the pathway via the DCH states, which has eluded clear identification in previous studies, makes a large contribution to the multiple ionization, despite the long FEL pulse duration compared with the lifetime of the 4d core-hole states.
journal article
American Physical Society
2020-05-12
application/pdf
Physical Review Letters
19
124
193201
0031-9007
https://nagoya.repo.nii.ac.jp/record/30436/files/PhysRevLett124_193201.pdf
eng
https://doi.org/10.1103/PhysRevLett.124.193201
© 2020 American Physical Society