Theoretical plasma and atomic physics; modeling of radiation from HED z-pinch and ultrashort-pulse laser plasmas, astrophysical plasmas, and from Electron Beam Ion Trap; theory of line polarization and modeling of polarized spectra produced by different radiation sources; theoretical study of Z-pinch plasma implosions through extensive computations: development of models and codes to understand plasma evolution in time and in space and plasma anisotropy through polarization spectroscopy, and to diagnose high-energetic electron beams and magnetic fields in HED plasmas.
A. Safronova, V. Kantsyrev, N. Ouart, F. Yilmaz, D. Fedin, A. Astanovitsky, B. LeGalloudec, S. Batie, D. Brown, V. Nalajala, I. Shrestha, S. Pokala, T. Cowan, B. Jones, C. Coverdale, C. Deeney, P.D. LePell, D. Jobe, D. Nielson. “Spectroscopic modeling of radiation from Cu and Mo X-pinches produced on the UNR 1 MA Zebra Generator”, JQSRT 99, pp. 560-571 (2006).
V. Kantsyrev, A. Safronova, V. Ivanov, D. Fedin, R. Mancini, A. Astanovitsky, B. LeGalloudec, S. Batie, D. Brown, V. Nalajala, I. Shrestha, S. Pokala, N. Ouart, F. Yilmaz, A. Clinton, M. Johnson, T. Cowan, B. Jones, C. Coverdale, C. Deeney, P.D. LePell, D. Jobe, D. Nielson. “Radiative properties of asymmetric and symmetric X-pinches with two and four wires recently produced on the UNR 1 MA Zebra Generator”, JQSRT 99, pp. 349-362 (2006).
A.S. Safronova, V.L. Kantsyrev, D.A. Fedin, G. Osborne, M.F. Yilmaz, T. Hoppe, J.D. Douglass, R.D. McBride, M.D. Mitchell, L.M. Maxson, D.A. Hammer, “Spectroscopic and imaging study of combined W and Mo X-pinches at 1 MA Z-pinch generators”, IEEE Transactions on Plasma Science 34, pp. 2256-2262 (2006).
U.I. Safronova, A.S. Safronova, P. Beiersdorfer, “Multipole (E1, M1, E2, M2, E3, M3) transition wavelengths and rates between 3l-15l’ excited and ground states in nickel-like ions”, J. Phys. B 39, pp. 4491-4513 (2006).
U.I. Safronova, A.S. Safronova, S. Hamasha, P. Beiersdorfer “Relativistic many-body calculations of multipole (E1, M1, E2, M2, E3, M3) transition wavelengths and rates between 3l4l” excited and ground states in nickel-like ions”, Atomic Data and Nuclear Data Tables 92, pp. 47-104 (2006).
S. B. Hansen, A. S. Safronova, P. D. LePell, J. Apruzese, C. Coverdale, C. Deeney, K.B. Fournier, U.I. Safronova, “Analysis of radially resolved spectra and potential for lasing in Mo wire array Z pinches” , Phys. Plasmas 12, 094502 (2005).
P.D. Lepell, S.B. Hansen, A.S. Shlyaptseva, C. Coverdale, C. Deeney, J.P. Apruzese, K.B. Fournier, U.I. Safronova, “Axial and temporal gradients in Mo wire array Z pinches”, Phys. Plasmas 12, 032701 (2005).
S.B. Hansen and A.S. Shlyaptseva, “Effects of the electron energy distribution function on modeled x-ray spectra”, Phys. Rev. E 70, 036402 (2004).
S.B. Hansen , A.S. Shlyaptseva, S.A. Pikuz, T.A. Shelkovenko, D.B. Sinars, K.M. Chandler, and D.A. Hammer, “Analysis of L-shell line spectra with 50-ps resolution from Mo X-pinch plasmas”, Phys. Rev. E 70, 026402 (2004).
P. Neill, C. Harris, A.S. Safronova, S. Hamasha, S. Hansen, U.I. Safronova, and P. Beiersdorfer, “The study of X-ray M-shell spectra of W ions from the Lawrence Livermore National Laboratory Electron Beam Ion Trap”, Can. J. Phys. 82, pp. 931-942 (2004).
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