810 datasets found

Keywords: atomic physics

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  • Atomic data of vanadium (V I)

    Radiative lifetimes of 79 levels belonging to the 3d^3^4s4p, 3d^4^4p, 3d^3^4s5p, 3d^4^5p, and 3d^3^4s4d configurations of V I with energy from 26604.807 to 46862.786cm^-1^ have...
  • Atomic data of CuI

    A complete set of atomic data of CuI, including the energy levels, oscillator strengths, and photoionization cross sections, is theoretically studied to investigate element...
  • NiI transition probability measurements

    Atomic transition probability measurements for 371 NiI lines in the UV through near-IR are reported. Branching fractions from data recorded using a Fourier transform...
  • Energy levels and spectral lines of MnII

    This compilation revises the previously recommended list of energy levels of singly ionized manganese (Mn II) and provides a comprehensive list of observed spectral lines and...
  • Electron-impact excitation of CrII

    In this paper, we present electron-impact excitation collision strengths and Maxwellian averaged effective collision strengths for the complicated iron-peak ion CrII. We...
  • Atomic transition probabilities of Mn

    The goal of the present work is to produce transition probabilities with very low uncertainties for a selected set of multiplets of MnI and MnII. Multiplets are chosen based...
  • R-matrix electron-impact excitation of Fe^13+^

    Accurate excitation parameters are required to interpret the ultraviolet and X-ray spectra of Fe^13+^. In this work, we use the autostructure code to describe the atomic...
  • Breit-Pauli transition probabilities for SII

    New improved calculations are reported for transition probabilities and electron impact excitation collision strengths for the astrophysically important lines in SII. The...
  • N K-shell photoabsorption

    Reliable atomic data have been computed for the spectral modeling of the nitrogen K lines, which may lead to useful astrophysical diagnostics. Data sets comprise valence and...
  • Multiplet table for neutral helium

    This paper combines the precise determination of the energy levels of ^4^HeI from calculations and experiments with theoretical transition probabilities to present multiplet...
  • Transition probabilities for HfII and Hf

    Radiative lifetimes from laser-induced fluorescence measurements, accurate to ~+/-5%, are reported for 41 odd-parity levels of HfII (Z=72). The lifetimes are combined with...
  • Plasma Recombination rate coefficients

    Reliably interpreting spectra from electron-ionized cosmic plasmas requires accurate ionization balance calculations for the plasma in question. However, much of the atomic data...
  • Radiative recombination data for plasmas

    We have calculated partial final-state resolved radiative recombination (RR) rate coefficients from the initial ground and metastable levels of all elements up to and including...
  • Na IX-X & Mg X-XI recombination rate coefficients

    Detailed study on the inverse processes of photoionization and electron-ion recombination for NaIX+h{nu}<->NaX+e, NaX+h{nu}<->NaXI+e, MgX+h{nu}<->Mg{nu}+e, and...
  • Laboratory transition probabilities for Gd II

    Radiative lifetimes, accurate to +/-5%, have been measured for 49 even-parity and 14 odd-parity levels of GdII using laser-induced fluorescence. The lifetimes are combined with...
  • mm/sbmm spectrum of iso-propanol

    Iso-propanol [(CH_3_)_2_CHOH], an isomer of n-propanol, has been studied in the millimeter- and submillimeter-wave region of the electromagnetic spectrum with our FASSST...
  • OIV Effective collision strength

    Electron collision excitation strengths and rates for infrared and ultraviolet lines arising from transitions between the fine-structure levels of the 2s^2^2p, 2s2p^2^, 2p^3^,...
  • New relativistic atomic data for Fe IX

    A large-scale configuration interaction (CI) calculation using Program CIV3 of Hibbert is performed for the lowest 87 fine-structure levels of argon-like iron ions. We have...
  • Oscillator and collision strengths in NI

    The nonorthogonal orbitals technique in a multiconfiguration Hartree-Fock approach is used to calculate oscillator strengths and transition probabilities of NI lines.
  • n-propanol transition frequencies

    As part of our continuing spectroscopic program of measuring the rotational spectra of large gas-phase molecules that may exist in observable quantities in the interstellar...
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