期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 46, 期 16, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/46/16/164024
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT)
- Japan Society for the Promotion of Science (JSPS) KAKENHI [21244062, 23241033]
- MEXT KAKENHI [22740264]
- Proposal Program of SACLA Experimental Instruments of RIKEN
- Cooperative Research Program of Network Joint Research Center for Materials and Devices of MEXT
- IMRAM project
- JSPS
- Swedish Research Council (VR)
- Swedish Foundation for Strategic Research (SSF)
- Grants-in-Aid for Scientific Research [23550017, 22740264, 23241033] Funding Source: KAKEN
We have investigated multiphoton multiple ionization of argon and xenon atoms at 5 keV using a new x-ray free electron laser (XFEL) facility, the SPring-8 Angstrom Compact free electron LAser (SACLA) in Japan. The experimental results are compared with the new theoretical results presented here. The absolute fluence of the XFEL pulse has been determined with the help of the calculations utilizing two-photon processes in the argon atom. The high charge states up to +22 observed for Xe in comparison with the calculations point to the occurrence of sequential L-shell multiphoton absorption and of resonance-enabled x-ray multiple ionization.
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