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Double Core-hole Spectroscopy of Transient Plasmas Produced in the Interaction of Ultraintense X-ray Pulses with Neon by Gao, Cheng; Zeng, Jiaolong; Yuan, Jianmin is a scholarly article available to read on EtoBox.

What is Double Core-hole Spectroscopy of Transient Plasmas Produced in the Interaction of Ultraintense X-ray Pulses with Neon about?

Double core-hole (DCH) spectroscopy is investigated systematically for neon atomic system in the interaction with ultraintense x-ray pulses with photon energy from 937 eV to 2000 eV. A time-dependent rate equation, implemented in the detailed level accounting approximation, is utilized to study the dynamical evolution of the level population and emission properties of the highly transient plasmas. For x-ray pulses with photon energy in the range of 937-1030 eV, where $1s\rightarrow 2p$ resonance absorption from single core-hole (SCH) states of neon charge states exist, inner-shell resonant absorption (IRA) effects play important roles in the time evolution of population and DCH spectroscopy. Such IRA physical effects are illustrated in detail by investigating the interaction of x-ray pulses at a photon energy of 944 eV, which corresponds to the $1s\rightarrow 2p$ resonant absorption from the SCH states ($1s2s^22p^4$, $1s2s2p^5$ and $1s2p^6$) of Ne$^{3+}$. After averaging over the space and time distribution of the x-ray pulses, DCH spectroscopy at photon energies of 937, 944, 955, 968, 980, and 990 eV (corresponding to the $1s\rightarrow 2p$ resonance energies of Ne$^{2+}$-Ne$^{7+}

Author

Gao, Cheng; Zeng, Jiaolong; Yuan, Jianmin

Published

2015

Language

EN