808 datasets found

Keywords: atomic physics

Filter Results
  • Ionization states and cooling efficiencies

    We present new computations of the equilibrium and nonequilibrium cooling efficiencies and ionization states for low-density radiatively cooling gas containing the elements H,...
  • 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...
  • Rotational transitions of Methyl carbamate

    The rotational-torsional spectrum of the syn conformer of methyl carbamate [CH_3_OC(:O)NH_2_], an isomer of the essential amino acid glycine [NH_2_CH_2_C(:O)OH], has been...
  • Swan system of C2

    The C2 Swan system (d ^3^{Pi}g-a ^3^{Pi}u) was observed in emission for the {Delta}v=-3 to {Delta}v=+2 sequences in the 14000-24000cm^-1^ spectral range using a Fourier...
  • 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...
  • Methyl formate (HCOOCH_3_) observations

    We have surveyed a sample of massive star-forming regions located over a range of distances from the Galactic center for methyl formate, HCOOCH_3_, and its isotopologues...
  • Calculated spectra for HeH^+^

    The wavelength and Einstein A coefficient are calculated for all rotation-vibration transitions of ^4^HeH^+^, ^3^HeH^+^, ^4^He^2^H^+^ and ^3^He^2^H^+^, giving a complete line...
  • ExoMol molecular line lists for H3+

    H_3_^+^ is a ubiquitous and important astronomical species whose spectrum has been observed in the interstellar medium, planets and tentatively in the remnants of supernova...
You can also access this registry using the API (see API Docs).