Atomic structure and collision dynamics with highly charged ions
The research progresses on the investigations of atomic structure and collision dynamics
with highly charged ions based on the heavy ion storage rings and electron ion beam traps …
with highly charged ions based on the heavy ion storage rings and electron ion beam traps …
Laboratory measurements compellingly support a charge-exchange mechanism for the “dark matter”∼ 3.5 kev X-ray line
C Shah, S Dobrodey, S Bernitt… - The Astrophysical …, 2016 - iopscience.iop.org
The reported observations of an unidentified X-ray line feature at∼ 3.5 keV have driven a
lively discussion about its possible dark matter origin. Motivated by this, we have measured …
lively discussion about its possible dark matter origin. Motivated by this, we have measured …
EUV spectroscopy of highly charged ions in an electron-beam ion trap
Extreme-ultraviolet (EUV) spectra of Sn 13+− Sn 15+ ions have been measured in an
electron-beam ion trap (EBIT). A matrix inversion method is employed to unravel convoluted …
electron-beam ion trap (EBIT). A matrix inversion method is employed to unravel convoluted …
Revisiting the Fe XVII line emission problem: Laboratory measurements of the 3s–2p and 3d–2p line-formation channels
C Shah, JRC López-Urrutia, MF Gu… - The Astrophysical …, 2019 - iopscience.iop.org
We determined relative X-ray photon emission cross sections in Fe xvii ions that were mono-
energetically excited in an electron beam ion trap. Line formation for the 3s (3s− 2p) and 3d …
energetically excited in an electron beam ion trap. Line formation for the 3s (3s− 2p) and 3d …
X-ray spectra of the Fe-L complex-II. Atomic data constraints from the EBIT experiment and X-ray grating observations of Capella
The Hitomi results for the Perseus cluster have shown that accurate atomic models are
essential to the success of X-ray spectroscopic missions and just as important as the store of …
essential to the success of X-ray spectroscopic missions and just as important as the store of …
High-resolution laboratory measurements of K-shell X-ray line polarization and excitation cross sections in helium-like S XV ions
We report measurements of electron-impact excitation cross sections for the strong K-shell
n= 2→ 1 transitions in S xv, using the LLNL EBIT-I electron beam ion trap, two crystal …
n= 2→ 1 transitions in S xv, using the LLNL EBIT-I electron beam ion trap, two crystal …
Polarization of k-shell dielectronic recombination satellite lines of fe xix–xxv and its application for diagnostics of anisotropies of hot plasmas
We present a systematic measurement of the X-ray emission asymmetries in the K-shell
dielectronic, trielectronic, and quadruelectronic recombination of free electrons into highly …
dielectronic, trielectronic, and quadruelectronic recombination of free electrons into highly …
State-selective influence of the Breit interaction on the angular distribution of emitted photons following dielectronic recombination
We report a measurement of KLL dielectronic recombination in charge states from Kr+ 34
through Kr+ 28 in order to investigate the contribution of the Breit interaction for a wide range …
through Kr+ 28 in order to investigate the contribution of the Breit interaction for a wide range …
Comprehensive laboratory measurements resolving the lmm dielectronic recombination satellite lines in ne-like fe XVII ions
F Grilo, C Shah, S Kühn, R Steinbrügge… - The Astrophysical …, 2021 - iopscience.iop.org
Comprehensive Laboratory Measurements Resolving the LMM Dielectronic Recombination
Satellite Lines in Ne-like Fe xvii Ions - IOPscience This site uses cookies. By continuing to use …
Satellite Lines in Ne-like Fe xvii Ions - IOPscience This site uses cookies. By continuing to use …
Anisotropy and polarization of x-ray line emissions in the dielectronic recombination of hydrogenlike ions
We present a systematic study of the anisotropy and polarization of x-ray line emissions in
KLL dielectronic recombination of hydrogenlike Fe 25+ ions. For the KLL dielectronic …
KLL dielectronic recombination of hydrogenlike Fe 25+ ions. For the KLL dielectronic …