HEDS Poster

[HEDSp-01] Ionization of argon ions K-shell in clusters heated by strong laser pulses with intensity up to 5×10²¹ W/cm².

*Sergey N. Ryazantsev¹, Igor Skobelev², Maksim Sedov², Sergey Pikuz¹, Takafumi Asai^3,4, Masato Kanasaki³, Tomoya Yamauchi³, Satoshi Jinno^5,13, Masato Ota^6,7,14, Syunsuke Egashira^6,7, Kentaro Sakai^8,14, Takumi Minami^4,8, Yuki Abe^7,8, Atsushi Tokiyasu⁹, Hideki Kohri¹⁰, Yasuhiro Kuramitsu^7,8, Youichi Sakawa⁷, Yasuhiro Miyasaka⁴, Kotaro Kondo⁴, Akira Kon⁴, Akito Sagisaka⁴, Koichi Ogura⁴, Alexander S. Pirozhkov⁴, Masaki Kando⁴, Hiromitsu Kiriyama⁴, Tetsuya Kawachi⁴, Tatiana A. Pikuz¹¹, Evgeny D. Filippov¹², Ryosuke Kodama⁷, Yuji Fukuda⁴ (1. HB11 Energy Holdings Pty Ltd.,, 2. Joint Institute for High Temperatures of RAS, 3. Graduate School of Maritime Sciences, Kobe University, 4. Kansai Institute for Photon Science (KPSI), National Institutes for Quantum Science and Technology (QST), 5. Nuclear Professional School, The University of Tokyo, 6. Graduate School of Science, Osaka University, 7. Institute of Laser Engineering, Osaka University, 8. Graduate School of Engineering, Osaka University, 9. Research Center for Electron Photon Science, Tohoku University, 10. Research Center for Nuclear Physics, Osaka University, 11. Institute for Open and Transdisciplinary Research Initiatives (OTRI), Osaka University, 12. Centro de Laseres Pulsados (CLPU), 13. Tono Geoscience Center, Japan Atomic Energy Agency (JAEA), 14. National Institute for Fusion Science)

An X-ray spectroscopic approach is described to distinguish the effects of collisional processes and the incident optical field on the ionization state of the plasma generated in a gas cluster target irradiated with PW laser pulses.