Theoretical partial dielectronic recombination rate coefficients for ground-state helium-like argon

Theoretical dielectronic recombination rate coefficients are calculated for ground-state helium-like argon. Partial dielectronic recombination rate coefficients are obtained by summing over the individual lines within the five transition arrays. 1s2lnl′ → 1s²nl′ for n = 2, 3 and 4 and 1s2lnl′ → 1s²2l for n = 3 and 4. The partial rate coefficients are presented for electron temperatures corresponding to values of kT_e ranging from 0.4 to 10 keV.     

Theoretical lifetimes,transition energies,fluorescence yields,and nonradiative branching ratios for highly excited states of lithium-like argon

We have calculated theoretical transition rates and transition energies for the states of the excited electron configurations, 1s 2s nl and 1s 2p nl, of lithium-like argon. The values of n considered range from n=2 to n=4 with all allowed values of l included, l=0 to l=n-1. We present numerical results for the theoretical lifetimes, transition energies, fluorescence yields, and nonradiative branching ratios. These quantities are related to the dielectronic recombination rates and cross sections of helium-like argon.     

Assessing epithelial cell nuclear morphology by using azimuthal light scattering spectroscopy

We describe azimuthal light scattering spectroscopy (phi/LSS), a novel technique for assessing epithelial-cell nuclear morphology. The difference between the spectra measured at azimuthal angles phi = 0 degrees and phi = 90 degrees preferentially isolates the single backscattering contribution due to large (approximately 10 microm) structures such as epithelial cell nuclei by discriminating against scattering from smaller organelles and diffusive background. We demonstrate the feasibility of using phi/LSS for cancer detection by showing that spectra from cancerous colon tissue exhibit significantly greater azimuthal asymmetry than spectra from normal colonic tissues.     

Theoretical transition energies,lifetimes and fluorescence yields of multiply ionized silicon

Theoretical X-ray transition energies, lifetimes and partial multiplet fluorescence yields are presented for all spectroscopic terms of electron configurations with a single K-shell vacancy and varying number of electrons in the L-shell and M₁-subshell for multiply-ionized silicon.     

Theoretical lifetimes and fluorescence yields for 1s2p 3P levels

Theoretical lifetimes and fluorescence yields for the 1s2p ³P levels are presented for selected atomic numbers up to Z=50.