Conference Presentations

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2009

Study of Hot Electron Production and Transport as a Function of Preplasma Filling of Hollow Cone Targets
T. Ma, M. S. Wei, T. Yabuuchi, F. N. Beg, A. G. MacPhee, M. H. Key, A. J. Kemp, A. J. Mackinnon, P. K. Patel, S. C. Wilks, K. U. Akli`, R. B. Stephens, I. Bush, J. Pasley, R. J. Clarke, J. S. Green, M. Notley
36th International Conference on Plasma Science and 23rd Symposium on Fusion Engineering, San Diego, CA, 31st May - 4th June, 2009

Investigations of the Ablation Phase of Low Wire Number Arrays at 200 kA
S. C. Bott, G. Collins IV, F. N. Beg, J. P. Chittenden
36th International Conference on Plasma Science and 23rd Symposium on Fusion Engineering, San Diego, CA, 31st May - 4th June, 2009

Quantitative Analysis of the Ablation of X-Pinches at 80 kA
G. Collins IV, S. C. Bott, R. E. Madden, F. N. Beg
36th International Conference on Plasma Science and 23rd Symposium on Fusion Engineering, San Diego, CA, 31st May - 4th June, 2009

The Effect of Target Thickness, Molecular Composition and Pulse Length on the Proton Beam Flux and Conversion Efficiency
T. Bartal, D. Hey, S. LePape, A. J. Mackinnon, P. K. Patel, M. Foord, D. Offermann, K. U. Akli, M. H. Key, M. S. Wei, T. Yabuuchi, T. Ma, A. G. MacPhee, R. B. Stephens, C. D. Chen, R. R. Freeman, L. Van Woerkom, F. N. Beg
36th International Conference on Plasma Science and 23rd Symposium on Fusion Engineering, San Diego, CA, 31st May - 4th June, 2009

Intense-Laser Generated Fast Electron Transport in a Large Preplasma
T. Yabuuchi, M. S. Wei, B. S. Paradkar, J. A. King, F. N. Beg, R. B. Stephens, M. Hatakeyama, N. Nakanii, H. Habara, K. Mima, K. A. Tanaka
36th International Conference on Plasma Science and 23rd Symposium on Fusion Engineering, San Diego, CA, 31st May - 4th June, 2009

2008

Electron Generation and Transport as a Function of Preplasma in Cone-Attached Targets
T. Ma, F. N. Beg, T. Bartal, S. Chawla, D. P. Higginson, J. A. King, M. S. Wei, B. Westover, T. Yabuuchi A. G. MacPhee, M. H. Key, A. J. Mackinnon, P. K. Patel, H. Chen, D. Hey, S. Le Pape, A. J. Kemp, S. C. Wilks R. B. Stephens, K. U. Akli L. D. Van Woerkom, R. R. Freeman, E. Kemp, A. Link, V. Ovchinnikov R. Fedosejevs, Y. Y. Tsui C. D. Chen C. Stoeckl, W. Theobald
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

X-ray spectroscopy of buried layer foils irradiated at 10²⁰ W/cm²
S. N. Chen, H. -K. Chung, F. N. Beg P. K. Patel, A. J. Kemp, S. Le Pape, B. R. Maddox, S. C. Wilks R. B. Stephens
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

Spectrum of escaping fast electrons in high intensity laser solid target interaction
M. S. Wei, F. N. Beg, T. Yabuuchi, R. B. Stephens
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

Hybrid PIC Modeling of Fast Electron Transport and Magnetic Collimation in Low-Z Hot Dense Plasmas Accessible on the Omega EP Laser
M. S. Wei, F. N. Beg, R. B. Stephens
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

Study of Fast Electron Generation and Transport in Interactions of Intense Laser Pulse with Pre-plasma Produced by Long Laser Pulse on Foil Targets
T. Yabuuchi, J. A. King, M. Hatakeyama, N. Nakanii, B. S. Paradkar, M. S. Wei, H. Habara, K. Mima, R. B. Stephens, K. A. Tanaka, and F. N. Beg
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

Experimental Investigations of the Ablation of Wire Arrays on the 250 kA GenASIS Machine
S.C. Bott, D. Haas, R.E. Madden, Y. Eshaq, U. Ueda, G. Collins, F.N. Beg
50th Annual Meeting of the American Physical Society Division of Plasma Physics, Dallas, TX, 17th - 20th November, 2008

A Low Inductance Linear Transformer Driver for Exploding Wire Experiments
S.C.Bott, D. M. Haas, U. Ueda, Y. Eshaq, R. Madden, G. Collins, F. N. Beg
35th International Conference on Plasma Science, Karlsruhe, Germany, 15th - 19th June 2008

Dynamics and X-ray Characteristics of Pulsed Power Driven X-pinch Plasmas
R. Madden, S.C.Bott, D. M. Haas, U. Ueda, Y. Eshaq, G. Collins, F. N. Beg
35th International Conference on Plasma Science, Karlsruhe, Germany, 15th - 19th June 2008

Electron Heated Target Temperature Measurements in Petawatt Laser Experiments Based on Extreme Ultraviolet Imaging and Spectroscopy
T. Ma, A.G. MacPhee, H.-K. Chung, M.H. Key, A.J. Mackinnon, P.K. Patel, S. Hatchett, K.U. Akli, R.B. Stephens, C. D. Chen, R.R. Freeman, A. Link, D.T. Offermann, V. Ovchinnikov, L.D. Van Woerkom, and F.N. Beg
17th Topical Conference of High-Temperature Plasma Diagnostics, May 11-15, 2008, Albuquerque, NM, USA

Simultaneous, collinear laser interferometry and gated self emission imaging system for exploding wire experiments
S. C. Bott, Y. Eshaq , D. M. Haas, U. Ueda, Y. Eshaq, R. Madden, G. Collins, F. N. Beg
17th Topical Conference of High-Temperature Plasma Diagnostics, May 11-15, 2008, Albuquerque, NM, USA

Characterization of Carbon X-pinches for Low Density Plasma Imaging
R. E. Madden, S. C. Bott, D. M. Haas, U. Ueda, Y. Eshaq, G. Collins, F. N. Beg
17th Topical Conference of High-Temperature Plasma Diagnostics, May 11-15, 2008, Albuquerque, NM, USA

Generation of supersonic plasma jets from pulsed-power driven exploding wire experiments
S.C.Bott, D.M.Haas, Y.Eshaq, U.Ueda, R.Madden, G.Collins, and F.N.Beg
7th International Conference on High Energy Density Laboratory Astrophysics and 1st International Conference on High Energy Density Physics, April 11-15, 2008, St. Louis, Mo., USA

Temperature gradient in solid target by the deposition of energy by fast electrons generated by a high intensity short pulse laser
S.Chen, F.N.Beg, H-K. Chung, A. J. Kemp, P. K. Patel and S. C. Wilks
7th International Conference on High Energy Density Laboratory Astrophysics and 1st International Conference on High Energy Density Physics, April 11-15, 2008, St. Louis, Mo., USA

Transport of Energy by Ultra-Intense Laser-Generated Electrons in Nail-Wire Targets
T. Ma, J.A. King, K.U. Akli, R.R. Freeman., J.S. Green, S.P. Hatchett, M.H. Key, K.L. Lancaster, A.J. Mackinnon, A.G. MacPhee, R.J. Mason, P.A. Norreys, R.B. Stephens, W. Theobald, L.D. Van Woerkom, M.S. Wei, and F.N. Beg
7th International Conference on High Energy Density Laboratory Astrophysics and 1st International Conference on High Energy Density Physics, April 11-15, 2008, St. Louis, Mo., USA

Intense Laser-Plasma Interaction Studies for Fast Ignition on the Titan Laser Facility at LLNL
T. Ma, F.N. Beg et al
National Nuclear Security Agency, Science Stewardship Academic Alliance, High Energy Density Science Users’ Project (HEDSUP) Mini-Symposium, Feb 27, 2008, Washington, DC.

2007

Quantitative investigation of mass ablation rates of wire arrays at current levels from 80kA to 1MA
S.C.Bott, D.M Haas, Y. Eshaq, U.Ueda, F.N Beg, D.A.Hammer, B. Kusse, J.Greenly, T.A Shelkovenko, S.A.Pikuz, I.C.Blesener, R.D.McBride, J.D.Douglass, K.Bell, P.Knapp, J.P.Chittenden, S.V.Lebedev, S.N.Bland, G.N.Hall, F.A.Suzuki, A.Marocchino, A.Harvey-Thomson, J.B.A. Palmer. D.J.Ampleford
49th Annual Meeting of the American Physical Soceity Division of Plasma Physics, Orlando, FL, USA, 12th - 16th November 2007

Integrated LSP Modeling of Relativistic Electron Beam Transport in a Wire Target
M. Wei, J. Pasley, R. B. Stephens, A. Solodov, D. Welch and F. N. Beg 49th Annual Meeting of the American Physical Soceity Division of Plasma Physics, Orlando, FL, USA, 12th - 16th November 2007

Freely Propagating, Supersonic, X-pinch Plasma Jets
D.M.Haas, S.C.Bott, U.Ueda, Y,Eshaq and F. N. Beg
49th Annual Meeting of the American Physical Soceity Division of Plasma Physics, Orlando, FL, USA, 12th - 16th November 2007

Determination of Electron-Heated Target Temperatures in Petawatt Laser Experiments Using Soft X-Ray Diagnostics
T. Ma, A. G. MacPhee, M.H. Key, K.U. Akli, H.-K. Chung, S. Hatchett, A.J. Mackinnon, R.B. Stephens, L.D. Van Woerkom, . Zhang, and F.N. Beg
49th Annual Meeting of the American Physical Soceity Division of Plasma Physics, Orlando, FL, USA, 12th - 16th November 2007

Integrated LSP modeling of relativistic electron beam transport in a wire target
M. Wei, J. Pasley, R. B. Stephens, A. Solodov, D. Welch and F. N. Beg
37th Anomalous Absorption Conference, Maui, Aug. 27 -31, 2007

Mass Density Profile Evolution from wires in X-Pinch and Wire Array Configurations
S.C.Bott, D.M.Haas, U.Ueda, Y,Eshaq and F. N. Beg
IEEE Conference on Pulsed Power and Plasma Science, Albuquerque, NM, USA, 17th - 22nd June 2007

Time Resolved X-ray Plasma ray Plasma Emission in Low Current X Emission in Low Current X-pinches
D.M.Haas, S.C.Bott, U.Ueda, Y,Eshaq and F. N. Beg
IEEE Conference on Pulsed Power and Plasma Science, Albuquerque, NM, USA, 17th - 22nd June 2007

Formation and Dynamics of the Precursor Column
S.C.Bott, D.M.Haas, U.Ueda, Y,Eshaq and F. N. Beg
7th International Workshop on the Physics of Wire Array Z-pinches, Battle, UK, 2nd - 5th April 2007

Benchmarking the modeling of energetic electron beam Transport in “nail” and wire targets
M. Wei, R. Mason, Y. Sentoku, R. B. Stephens, J. Pasley, A. Solodov, D. Welch, T. Ma, J. King, D. Hey, A. Macphee, S. Le Pape, P. Patel, A. Machinnon, M. Key, R. Freeman, L. Van-Woerkom, D. Offerman and F. N. Beg
5th International Conference on Inertial Fusion Sciences and Applications, Kobe, Japan, Sep. 9-14, 2007

2006

Study of Supersonic Jet Formation and Propagation in Low Current X-pinches
D. Haas, Y. Eshaq, U. Ueda, E. Shipton, T. Zhang, D. Fedin, and F.N. Beg
48th Annual Meeting of the American Physical Society, Division of Plasma Physics Pennsylvania, October 30th – November 3rd, 2006

Dynamics of Low-Density Coronal Plasma in Low Current X-pinches
D. Haas, U. Ueda, Y. Eshaq, V. Vikhrev*, E. Baranova*, D. Fedin, and F.N. Beg
48th Annual Meeting of the American Physical Society, Division of Plasma Physics Pennsylvania, October 30th – November 3rd, 2006

LSP modeling of the electron beam propagation in the nail/wire targets
M. Wei, A. Solodov, J. Pasley, F. Beg and R. Stephens
9th International Fast Ignition Workshop, Boston, Nov. 3-5, 2006

Short pulse laser driven relativistic electron transport in wire targets
R. J. Mason, R. B. Stephens, M. Wei, R. R. Freeman, J. Hill, L. D. Van Woerkom
9th International Fast Ignition Workshop, Boston, Nov. 3-5, 2006

Relativistic electron transport in wire and foil targets driven by intense short pulse lasers
R. J. Mason, R. B. Stephens, M. Wei, R. R. Freeman, J. Hill, L. D. Van Woerkom
Bull. Am Phys. Soc. 51, 189 (2006).

Study of the Laser Plasma Interaction and Energetic Electron Beam Production Using the LSP code
F. He, M. Wei, S. Krasheninnikov, R. Stephens, D. Welch and F. Beg
IEEE international Conference on Plasma Science, Traverse City, Michigan, June 4-8, 2006

Simulations investigating the effect of a DT-ice-covered cone tip on the implosion of a re-entrant cone-guided ICF capsule
J. Pasley and R. Stephens
9th International Fast Ignition Workshop, Cambridge, MA, 2006