home | iBib | list | admin

BibTeX file of [Son25a] [show it without abstract]

@conference{Son25a,
    author={Sang-Kil Son},
    title={Non-equilibrium pathways 
to a hot plasma: 
multi-resonance excitation and plasma evolution dynamics},
    year={2025},
    month={April 30},
    booktitle={CFEL-DESY Theory Seminar},
    organization={CFEL},
    institution={DESY},
    address={Hamburg, Germany},
    keywords={XATOM; Ne; plasma; RIXS; MRIXS; x-ray multiphoton ionization; state-resolved; resonance; x-ray; spectroscopy; experiment; SQS; European XFEL;CFEL; DESY;},
    note={oral presentation},
    abstract={A transient plasma is formed when intense X-ray pulses interact with matter. Multiphoton ionization produces highly charged ions and hot electrons, and eventually reach a thermal equilibrium. I will present a joint theoretical and experimental study of X-ray multiphoton ionization dynamics and plasma evolution dynamics of neon gas interacting with intense X-ray pulses generated by European XFEL. The target density is low enough to model excitation mechanisms in the isolated-atom limit during the pulse, while it is high enough to observe collisional effects afterwards. Multiple resonance excitations are investigated in X-ray emission spectra from all Ne charge states as shown in the figure. I will also discuss how insights from atomic physics are applied to understand non-equilibrium plasma formation dynamics. Time-resolved X-ray emission measurement enables us to monitor how electrons cool down, reaching electron-ion thermalization. Our study of quantum-state-resolved X-ray multiphoton ionization dynamics opens up new opportunities for high-resolution X-ray spectroscopy of atoms and plasmas at high intensity.} }

Sang-Kil Son, Non-equilibrium pathways 
to a hot plasma: 
multi-resonance excitation and plasma evolution dynamics in CFEL-DESY Theory Seminar (CFEL, DESY, Hamburg, Germany, April 30, 2025) [oral presentation] [pdf][pdf][abstract][abstract]


made by ZN / powered by Bibliophile