Spectrum of Doubly Ionized Xenon (Xe III)

The spectrum of doubly ionized xenon has been investigated. The study is based on photographic recordings of xenon spectra in the 490-8900 Å range. The number of classified lines has been increased from about 300 to about 1400. The lines have been classified as transitions between 73 even levels belonging to the 5s25p4, 5s25p36p, 4ϕ, 5ϕ and 5s05p6 configurations, and 83 odd levels belonging to the 5s5p5, 5s25p36s, 7s, 5d and 6d configurations. In particular, the classifications include most of the Xe III laser lines. The experimentally observed level structures are compared with the results of Hartree-Fock calculations and least-squares fits. A comparison is also made between the results of the present analysis and the published data on the Xe N4,5OO Auger spectrumFacultad de Ciencias ExactasCentro de Investigaciones Óptica

Spectrum of Doubly Ionized Xenon (Xe III)

The spectrum of doubly ionized xenon has been investigated. The study is based on photographic recordings of xenon spectra in the 490-8900 Å range. The number of classified lines has been increased from about 300 to about 1400. The lines have been classified as transitions between 73 even levels belonging to the 5s25p4, 5s25p36p, 4ϕ, 5ϕ and 5s05p6 configurations, and 83 odd levels belonging to the 5s5p5, 5s25p36s, 7s, 5d and 6d configurations. In particular, the classifications include most of the Xe III laser lines. The experimentally observed level structures are compared with the results of Hartree-Fock calculations and least-squares fits. A comparison is also made between the results of the present analysis and the published data on the Xe N4,5OO Auger spectrumFacultad de Ciencias ExactasCentro de Investigaciones Óptica

Study of the

The consistency of the energy levels published for configurations 4p2, 5p2 and 5s5f belonging to Zn and Cd isoelectronic sequences is studied. Different semiempirical approaches considering the linearity of the Slater integrals for large Zc, the smoothness of the sF screening parameters, the energy values in terms of Z (or Zc), and the differences of the Ecalc − Eexp values are used, where Ecalc values are energies calculated with a Hartree-Hock method with relativistic corrections and superposition of configurations (HFR-SOC), and Eexp are the experimental values. For the np2 configurations both LS and relativistic jj expressions are considered. Configuration 5s5f is also analyzed taking into account the Landé’s interval rule

New energy levels of the 4<i>s</i>²4<i>p</i>5<i>s</i>, 4<i>s</i>²4<i>p</i>4<i>d</i> and 4<i>s</i>²4<i>p</i>5<i>p</i> configurations of the Kr v spectrum

The spectrum of four times-ionized krypton (Kr v) has been observed in the 240-2500 Â wavelength range. Three of the four possible levels of the 4s24p5s configuration and two of the three remaining energy level values for the 4s24p4d configurations were determined. Nine of the ten possible levels for the 4s24p5p configuration are also reported. The observed configurations were interpreted theoretically by means of Hartree-Fock relativistic calculations and a least squares fit of the energy parameters to the observed levels. 111 new classified lines are reported among the 4s24p2, 4s24p5p, 4s4p3, 4s24p5s, and 4s24p4d configurations.Facultad de Ingenierí

New energy levels of the 4<i>s</i>²4<i>p</i>5<i>s</i>, 4<i>s</i>²4<i>p</i>4<i>d</i> and 4<i>s</i>²4<i>p</i>5<i>p</i> configurations of the Kr v spectrum

The spectrum of four times-ionized krypton (Kr v) has been observed in the 240-2500 Â wavelength range. Three of the four possible levels of the 4s24p5s configuration and two of the three remaining energy level values for the 4s24p4d configurations were determined. Nine of the ten possible levels for the 4s24p5p configuration are also reported. The observed configurations were interpreted theoretically by means of Hartree-Fock relativistic calculations and a least squares fit of the energy parameters to the observed levels. 111 new classified lines are reported among the 4s24p2, 4s24p5p, 4s4p3, 4s24p5s, and 4s24p4d configurations.Facultad de Ingenierí