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Analysis of dielectric data along the coexistence curve in Xe shows that neither revised scaling nor corrections to scaling has a significant effect on the value of the critical exponent β . The data are best represented by a single β value ( β = 0.356 ) over the entire range 2 × 10 - 5 < | t...
Many-body perturbation theory is used to calculate the photoionization cross sections of the 2 p and 2 s subshells of the P 3 ground state of neutral carbon. Resonances due to the 1 s 2 2 s 2 p 2 n p autoionizing configurations and two-electron resonances from the 1 s 2 2 s 2 3 s 3 p and 1 s 2 2...
The non-closed-shell many-electron theory (NCMET) of Sinanoğlu is applied to excited states which are not the lowest of their symmetry. Variational collapse towards lower states of the same symmetry is prevented by use of the Hylleraas-Undheim-MacDonald theorem. The procedure for calculating...
The important rates for a high-electron-density (≳ 10 21 cm - 3 ) aluminium plasma containing A 1 X I - X I V ions are presented as a function of electron temperature. The collisional excitation rates are calculated in the Coulomb-Born approximation. The effect of electron collisions upon the...
The photoionization cross sections and the oscillator strengths for helium, lithium, and beryllium atoms are calculated in the framework of the random-phase approximation with exchange. The energy-level shift for discrete transitions is taken into account consistently in this approximation. The...
It is shown that the angular distribution of photoelectrons ejected on absorption of left or right circularly polarized light by a mixture of randomly oriented dextrorotatory and levorotatory optical isomers behaves as A ± B cos θ + C cos 2 θ , where θ is the angle between the photoelectron...
Approximate cross sections for charge transfer between ground-state atomic hydrogen and completely stripped ions of C, N, O, Ne, Si, and Ar have been obtained in the velocity range 6 × 10 6 - 7 × 10 7 cm/sec. In these collisions, electron capture occurs predominantly into high-lying orbitals of...
Reported measurements by Broude et al. of the lifetime of the 3.34-MeV nuclear state in Ne 22 , determined by Doppler-shift measurements on the γ decay of the excited nucleus as it is slowed down by various absorbers, show an oscillatory structure that can be attributed to oscillations in the...
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