Open Access
Atomic Data and Nuclear Data Tables
P. Bogdanovich,R. Kisielius +1 more
TLDR
In this paper, the ab initio quasirelativistic Hartree-Fock method developed specifically for the calculation of spectral parameters of heavy atoms and highly charged ions is used to derive transition data for a multicharged tungsten ion.Abstract:
a b s t r a c t The ab initio quasirelativistic Hartree–Fock method developed specifically for the calculation of spectral parameters of heavy atoms and highly charged ions is used to derive transition data for a multicharged tungsten ion. The configuration interaction method is applied to include electron correlation effects. The relativistic effects are taken into account in the Breit–Pauli approximation for quasirelativistic Hartree–Fock radial orbitals. The energy level spectra, radiative lifetimes and Lande gfactors are calculated for the 4p 6 4d 2 , 4p 6 4d4f, and 4p 5 4d 3 configurations of the ion W 36+ . The transition wavelengths, spontaneous transition probabilities, oscillator strengths, and line strengths for the electric dipole, electric quadrupole, electric octupole, and magnetic dipole transitions among the levels of these configurations are tabulated.read more
Citations
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Insights into the primary radiation damage of silicon by a machine learning interatomic potential
A. Hamedani,A. Hamedani,J. Byggmästar,Flyura Djurabekova,Flyura Djurabekova,Gh. Alahyarizadeh,Reza Ghaderi,Abdolhamid Minuchehr,Kai Nordlund +8 more
TL;DR: In this paper, a silicon Gaussian approximation machine learning potential suitable for radiation effects was developed and used for the first ab initio simulation of primary damage and evolution of collision collision in a collision scenario.
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Parameterization of the level-resolved radiative recombination rate coefficients for the SPEX code
TL;DR: In this paper, the level-resolved radiative recombination (RR) rate coefficients for H-like to Na-like ions from H(Z = 1) up to and including Zn (Z = 30) are studied.
Journal ArticleDOI
Ab Initio Wavelength-Dependent Raman Spectra: Placzek Approximation and Beyond
Michael Walter,Michael Moseler +1 more
TL;DR: In this article, the authors derived a semi-classical approximation of the combined electronic and vibrational transition energies from the matrix element for light scattering by application of the Kramers, Heisenberg, and Dirac formula.
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Sub-Chandrasekhar-mass detonations are in tension with the observed t0−MNi56 relation of type Ia supernovae
TL;DR: In this paper, the authors focus on the observed $t_0-M_\text{Ni56}$ relation, where $t 0$ (the gamma-rays' escape time from the ejecta) is positively correlated with the synthesized Ni mass.
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Depth dependence of the structural phase transition of SrTiO 3 studied with β -NMR and grazing incidence x-ray diffraction
Z. Salman,Z. Salman,M. Smadella,W. A. MacFarlane,Bruce D. Patterson,Philip R. Willmott,Kim H. Chow,M. D. Hossain,H. Saadaoui,D. Wang,R. F. Kiefl,R. F. Kiefl +11 more
TL;DR: In this paper, the authors investigated the near-surface tetragonal phase transition in SrTiO, using the complementary techniques of beta-detected nuclear magnetic resonance and grazing-incidence X-ray diffraction.
References
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Book
The theory of atomic structure and spectra
TL;DR: In this article, the Slater-Condon theory of atomic structure and spectra is combined with a coherent set of closed-form equations suitable both for computer calculations on cases of arbitrary complexity and for hand calculations for very simple cases.
Atomic Spectra Database
Daniel E. Kelleher,William C. Martin,Wolfgang L. Wiese,Arlene Musgrove,Jeffrey R. Fuhr,Jack Sugar,Joseph Reader,Karen J. Olsen,Peter J. Mohr,G R. Dalton +9 more
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