166 citations · 389 across the 15 of their papers we have counts for
15 papers
Hyperfine-structure-resolved laser spectroscopy of many-electron highly charged ions
Naoki Kimura, Priti, Yasutaka Kono +6
Hyperfine-structures of highly charged ions (HCIs) are favourable spectroscopic targets for exploring fundamental physics as well as nuclear properties. Recent proposals of HCI ato…
An application of a Si/CdTe Compton camera for the polarization measurement of hard x-rays from highly charged heavy ions
Yutaka Tsuzuki, Shin Watanabe, Shimpei Oishi +6
The methods to measure the polarization of the x-rays from highly charged heavy ions with a significantly higher accuracy than the existing technology is needed to explore relativi…
Visible emission spectroscopy of highly charged tungsten ions in LHD: I. Survey of new visible emission lines
M Shinohara, K Fujii, D Kato +5
We found 12 unknown visible emission lines from the core plasma of large helical device with highly charged tungsten ions accumulated. The observation was made with our home-built…
Collisional-radiative modeling of the spectrum of W XIV - W XVI ions
Xiaobin Ding, Fengling Zhang, Yang Yang +7
The wavelength and rate of the transition of W XIV - W XVI ions have been calculated by the relativistic configuration interaction (RCI) method with the implementation of F…
Strong Modification of Radiative Transition Rates due to a Breit-Interaction-Induced Avoided Crossing
Zhimin Hu, Gang Xiong, Xiang Gao +11
We present the observations of x-rays emitted from the inner shell excited state of B-like W and Bi ions. The relative transition rates are obtained for…
Observation of Electric Octupole Emission Lines Strongly Enhanced by an Anomalous Behavior of Cascading Contribution
Hiroyuki A. Sakaue, Daiji Kato, Izumi Murakami +2
We present extreme ultraviolet spectra of Ag-like W observed with an electron beam ion trap. In the spectra, the -- transitions are identified as the f…
Collisional radiative model for the M1 transition spectrum of the highly-charged W ions
Xiaobin Ding, Jiaoxia Yang, Linfan Zhu +6
A detailed-level collisional-radiative model for the M1 transition spectrum of the Ca-like W ion as observed in an electron beam ion trap (EBIT) was constructed based on at…
Visible transitions in Ag-like and Cd-like lanthanide ions
Shunichi Murata, Takayuki Nakajima, Marianna S. Safronova +2
We present visible spectra of Ag-like () and Cd-like () ions of Ho (atomic number ), Er (68), and Tm (69) observed with a compact electron beam ion tr…
Resonant Electron Impact Excitation of 3d levels in Fe and Fe
Takashi Tsuda, Erina Shimizu, Safdar Ali +6
We present laboratory spectra of the -- transitions in Fe and Fe excited with a mono-energetic electron beam. In the energy dependent spectra obtained by sw…
Properties of Kilonovae from Dynamical and Post-Merger Ejecta of Neutron Star Mergers
Masaomi Tanaka, Daiji Kato, Gediminas Gaigalas +8
Ejected material from neutron star mergers give rise to electromagnetic emission powered by radioactive decays of r-process nuclei, which is so called kilonova or macronova. While…
Theoretical investigation on the soft X-ray spectrum of the highly-charged W ions
Xiaobin Ding, Jiaoxia Yang, Fumihiro Koike +5
A detailed level collisional-radiative model of the E1 transition spectrum of Ca-like W ion has been constructed. All the necessary atomic data has been calculated by relat…
Direct observation of the M1 transition between the ground state fine structure splitting of W VIII
Momoe Mita, Hiroyuki A. Sakaue, Daiji Kato +2
We present direct observation of the M1 transition between the fine structure splitting in the 4f13 5s2 5p6 2F ground state of W VIII. The spectroscopic data of few-times ionized t…
E1, M1, E2 transition energies and probabilities of W ions
Xiao-bin Ding, Rui Sun, Jia-xin Liu +6
A comprehensive theoretical study of the E1, M1, E2 transitions of Ca-like tungsten ions is presented. Using multi-configuration Dirac-Fock (MCDF) method with a restricted active s…
Collisional-Radiative Model for the visible spectrum of ions
Xiaobin Ding, Jiaxin Liu, Fumihiro Koike +5
Plasma diagnostics in magnetic confinement fusion plasmas by using visible spectrum strongly depends on the knowledge of fundamental atomic properties. A detailed collisional-radia…
EUV and Visible Spectroscopy of Promethiumlike Heavy Ions
Yusuke Kobayashi, Kai Kubota, Kazuki Omote +8
We present extreme ultraviolet and visible spectra of promethiumlike tungsten and gold obtained with an electron beam ion trap (EBIT). Although the contributions from a few charge…