Non-LTE Kinetic Modeling of X-Pinches and Wire Arrays of Mo and Mo-Doped Ti Produced on the 1 MA Pulsed Power Generator at UNR

2005 
Summary form only given. Spatially resolved and integrated X-ray spectral data and time resolved and integrated pinhole X-ray images accumulated from Mo and Ti with doped Mo X-pinch experiments as well as Ti wire arrays with doped Mo experiments on the "Zebra" generator have been studied. In particular, symmetrical and asymmetrical Mo X-pinches with two and four wires of different diameters have been considered along with Ti X-pinches with 5-10% of Mo dopants. Also, Ti wire arrays with 5-10% of Mo dopants were analyzed. A non-LTE kinetic model of Mo has been applied to account for radiation from L-shell Mo ions. In particular, L-shell Mo radiation including both 2-3 and 2-4 transitions from symmetrical and asymmetrical Mo X-pinches with two wires and with four wires has been analyzed in detail and compared. In addition, L-shell Mo radiation from Mo dopants was modeled. Characteristic K-shell Mo radiation was monitored and analyzed for all Mo shots. The use of the wires coated with a small concentration of Mo for advanced diagnostics of X-pinch and wire array plasmas will be discussed. Resulting plasma parameters from modeling the L-shell Mo radiation from all considered Z-pinch and X-pinch loads with Mo will be presented and compared
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