2010
"A dual channel X-ray spectrometer for fast ignition research"
K. U. Akli, P. K. Patel, R. Van Maren, R. B. Stephens, M. H. Key, D. P. Higginson, B. Westover, C. D. Chen, A. J. Mackinnon, T. Bartal, F. N. Beg, S. Chawla, R. Fedosejevs, R. R. Freeman, D. S. Hey, G. E. Kemp, S. LePape, A. Link, T. Ma, A. G. MacPhee, H. S. McLean, Y. Ping, Y. Y. Tsui, L. D. Van Woerkom, M. S. Wei, T. Yabuuchi , S. Yuspeh; Journal of Instrumentation, 5, 7008 (2010)
"Single-shot divergence measurements of a laser-generated relativistic electron beam"
F. Perez, S. D. Baton, M. Koenig, C. D. Chen, D. Hey, M. H. Key, S. Le Pape, T. Ma, H. S. McLean, A. G. MacPhee, P. K. Patel, Y. Ping, F. N. Beg, D. P. Higginson, C. W. Murphy, H. Sawada, B. Westover, T. Yabuuchi, K. U. Akli4, E. Giraldez4, M. Hoppe, Jr.4, C. Shearer4, R. B. Stephens4, L. Gremillet5, E. Lefebvre5, R. R. Freeman6, G. E. Kemp, A. G. Krygier, L. D. Van Woerkom, R. Fedosejevs, R. H. Friesen, Y. Y. Tsui, and D. Turnbull; Phys. Plasmas 17, 113106 (2010); doi:10.1063/1.3514595
"Hot electron generation and transport using Ka Emission"
K. U. Akli, R. B. Stephens, M. H. Key, T. Bartal, F. N. Beg, S. Chawla, C. D. Chen, R. Fedosejevs, R. R. Freeman, H. Friesen, E. Giraldez, J. S. Green, D. S. Hey, D. P. Higginson, J. Hund, L. C. Jarrott, G. E. Kemp, J. A. King, A. Kryger, K. Lancaster, S. LePape, A. Link5 T. Ma, A. J. Mackinnon, A. G. MacPhee, H. S. McLean, C. Murphy, P. A. Norreys, V. Ovchinnikov, P. K. Patel, Y. Ping, H. Sawada, D. Schumacher, W. Theobald, Y. Y. Tsui, L. D. Van Woerkom, M. S. Wei, B. Westover, T. Yabuuchi J.; Phys: Conf. Ser. 244, 022026 (2010).
"Limitation on Prepulse Level for Cone-Guided Fast Ignition Inertial Confinement Fusion"
A.G. MacPhee, L. Divol, A.J. Kemp, K.U. Akli, F.N. Beg, C.D. Chen, H. Chen, D.S. Hey, R.J. Fedosejevs, R.R. Freeman, M. Henesian, M.H. Key, S. Le Pape, A. Link, T. Ma, A.J. MacKinnon, V.M. Ovchinnikov, P.K. Patel, T.W. Phillips, R.B. Stephens, M. Tabak, R. Town, Y.Y. Tsui, L.D. Van Woerkom, M.S. Wei, and S.C. Wilks; Physical Review Letters, 104 055002 (2010).
"High Intensity Laser-Plasma Interaction with Wedge-Shaped-Cavity Targets"
W. Theobald, V. Ovchinnikov, L. Van Woerkom, K. Akli, R. R. Freeman, “Physics Of Plasmas 17 (10) 103101 (2010)
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2009
"Studies on the transport of high intensity laser-generated hot electrons in cone coupled wire targets"
J.A. King, M.H. Key, K.U. Akli, R.R. Freeman, J. Green, S.P. Hatchett, D. Hey, P. Jamangi, J. Koch, K.L. Lancaster, T. Ma, A.J. MacKinnon, A. MacPhee, R. Mason, P.A. Norreys, P.K. Patel, T. Phillips, R. Stephens, W. Theobald, R.P.J. Town, L. Van Woerkom, B. Zhang, F.N. Beg; Physics of Plasmas, 16 020701 (2009)
"Bremsstrahlung and Ka fluorescence measurements for inferring conversion efficiencies into fast ignition relevant hot electrons"
C. D. Chen, P. K. Patel, D. S. Hey, A. J. Mackinnon, M. H. Key, K. U. Akli, T. Bartal, F. N. Beg, S. Chawla, H. Chen, R. R. Freeman, D. P. Higginson, A. Link, T. Y. Ma, A. G. MacPhee, R. B. Stephens, L. D. Van Woerkom, B. Westover, and M. Porkolab; Physics of Plasmas, 16 082705 (2009).
"A dual-channel, curved-crystal spectrograph for petawatt laser, x-ray backlighter source studies"
W. Theobald, C. Stoeckl, P.A. Jaanimagi, P.M. Nilson, M. Storm, D.D. Meyerhofer, T.C. Sangster, D. Hey, A.J. MacKinnon, H.S. Park, P.K. Patel, R. Shepherd, R.A. Sanvely, M.H. Key, J.A. King, B. Zhang, R.B. Stephens, K.U. Akli, K. Highbarger, R.L. Daskalova, L. Van Woerkom, R.R. Freeman, J.S. Green, G. Gregori, K. Lancaster, and P.A. Norreys; Review of Scientific Instruments, 80, 083501 (2009)
"Characterization of the preformed plasma for high-intensity laser-plasma interaction"
S. Le Pape, Y.Y. Tsui, A. MacPhee, D. Hey, P. Patel, A. MacKinnon, M. Key, M.S. Wei, T. Ma, F.N. Beg, R. Stephens, K. Akli, T. Link, L. Van Woerkom, and R.R. Freeman; Optics Letters, 34, 2997 (2009).
"Observations of proton beam enhancement due to erbium hydride on gold foil targets"
D.T. Offermann, R.R. Freeman, L.D. Van Woerkom, M.E. Foord, D. Hey, M.H. Key, A.J. Mackinnon, A.G. MacPhee, P.K. Patel, Y. Ping, J.J. Sanchez, N. Shen, T. Bartal, F.N. Beg, L. Espada, and C.D. Chen; Physics of Plasmas, 16, 093113 (2009).
"Radiation and hot electron temperature measurements of short-pulse laser driven hohlraums"
C.R.D. Brown, S.F. James, F.N. Beg, C. Constantin, R.L. Daskalova, R. Edwards, R.R. Freeman, D.P. Higginson, J.W. Morton, C. Niemann, D. Riley, B.R. Thomas, L. Van Woerkom, D.J. Hoarty, S.J. Rose, and G. Gregori; High Energy Density Physics, 5, 212 (2009)
"Effect of reentrant cone geometry on energy transport in intense laser-plasma interactions"
K.L. Lancaster, M. Sherlock, J.S. Green, C.D. Gregory, P. Hakel, K.U. Akli, F.N. Beg, S.N. Chen, R.R. Freeman, H. Habara, R. Heathcote, D.S. Hey, K. Highbarger, M.H. Key, R. Kodama, K. Krushelnick, H. Nakamura, M. Nakatsutsumi, J. Pasley, R.B. Stephens, M. Storm, M. Tampo, W. Theobald, L. Van Woerkom, R.L. Weber, M.S. Wei, N.C. Woolsey, T. Yabuuchi, and P.A. Norreys; Physical Review E, 80, 045401 (2009).
"Transport of energy by ultraintense laser-generated electrons in nail-wire targets"
T. Ma, M.H. Key, R.J. Mason, K.U. Akli, R.L. Daskalova, R.R. Freeman, J.S. Green, K. Highbarger, P.A. Jaanimagi, J.A. King, K.L. Lancaster, S.P. Hatchett, A.J. MacKinnon, A.G. MacPhee, P.A. Norreys, P.K. Patel, R.B. Stephens, W. Theobald, L.D. Van Woerkom, M.S. Wei, S.C. Wilks, F.N. Beg; Physics of Plasmas 16 112702 (2009).
"Progress in Fast Ignition Studies with Electrons and Protons"
A.J. Mckinnon, K. Akli, R.R. Freeman, A. Link, D. Offermann, V. Ovehinnikov, L. Van Woerkom, Atomic Processes in Plasmas, AIP Conference Proceedings, 1161, 25 (2009)
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2008
"Probing warm dense lithium by inelastic X-ray scattering"
E. García Saiz, G. Gregori, D. O. Gericke, J. Vorberger, B. Barbrel, R. J. Clarke, R. R. Freeman, S. H. Glenzer, F. Y. Khattak, M. Koenig, O. L. Landen, D. Neely, P. Neumayer, M. M. Notley, A. Pelka, D. Price, M. Roth, M. Schollmeier, C. Spindloe, R. L. Weber, L. van Woerkom, K. Wünsch, & D. Riley; Nature Physics, 4 940 (2008)
"Electron heated target temperature measurements in petawatt laser experiments based on extreme ultraviolet imaging and spectroscopy"
Ma, T., F. N. Beg, 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 and L. D. Van Woerkom; Review of Scientific Instruments, 79 10E312-10E312-3 (2008)
"Density measurement of shock compressed foam using two-dimensional x-ray radiography"
S. Le Pape, A. MacPhee, D. Hey, P. Patel, A. MacKinnon, M. Key, J. Pasley, M. Wei, S. Chen, T. Ma, F. Beg, N. Alexander, R. Stephens, D. Offermann, A. Link, Linn Van Woerkom, and R. Freeman; Review of Scientific Instruments 79 106104 (2008).
"A Bremsstrahlung spectrometer using k-edge and differential filters with image plate dosimeters"
Chen, C. D., J. A. King, M. H. Key, K. U. Akli, F. N. Beg, H. Chen, R. R. Freeman, A. Link, A. J. Mackinnon, A. G. MacPhee, P. K. Patel, M. Porkolab, R. B. Stephens and L. D. Van Woerkom; Review of Scientific Instruments 79 10E305-3 (2008)
"Diagnostics for fast ignition science (invited)"
MacPhee, A. G., K. U. Akli, F. N. Beg, C. D. Chen, H. Chen, R. Clarke, D. S. Hey, R. R. Freeman, A. J. Kemp, M. H. Key, J. A. King, S. L. Pape, A. Link, T. Y. Ma, H. Nakamura, D. T. Offermann, V. M. Ovchinnikov, P. K. Patel, T. W. Phillips, R. B. Stephens, R. Town, Y. Y. Tsui, M. S. Wei, L. D. Van Woerkom and A. J. Mackinnon; Review of Scientific Instruments 79 10F302-5 (2008)
"Determination of electron-heated temperatures of petawatt laser-irradiated foil targets with 256 and 68 eV extreme ultraviolet imaging"
T. Ma, A. G. MacPhee, M. H. Key, S. P. Hatchett, K. U. Akli, T. W. Barbee, C. D. Chen, R. R. Freeman, J. A. King, A. Link, A. J. Mackinnon, D. T. Offermann, V. Ovchinnikov, P. K. Patel, R. B. Stephens, L. D. Van Woerkom, B. Zhang, and F. N. Beg; Review of Scientific Instruments, 79 093507 (2008)
"Extreme Ultraviolet Imaging of Electron-Heated Targets in Petawatt Laser Experiments" (Page not found)
T. Ma, A.G. MacPhee, M.H. Key, K.U. Akli, T.W. Barbee Jr., A.J. MacKinnon, R.B. Stephens, L.D. Van Woerkom, B. Zhang, F.N. Beg; IEEE Transactions on Plasma Science, 36 1126 (2008)
"Nail-Like Targets for Laser-Plasma Interaction Experiments"
J. Pasley, M. Wei, E. Shipton, S. Chen, T. Ma, F. N. Beg, N. Alexander, R. Stephens, A. G. MacPhee, D. Hey, S. Le Pape, P. Patel, A. Mackinnon, M. Key, D. Offermann, A. Link, E. Chowdhury, L. Van Woerkom, and R. R. Freeman; IEEE Transactions on Plasma Science, 36 1128 (2008)
"Use of GafChromic Film to Diagnose Laser Generated Proton Beams"
D.S. Hey, M.H. Key, A.J. Mackinnon, A.G. MacPhee, P.K. Patel, R.R. Freeman, L.D. Van Woerkom and C.M. Castaneda; Review of Scientific Instruments, 79 053501 (2008)
"Space and time resolved measurements of the heating of solids to ten million Kelvin by a petawatt laser"
M. Nakatsutsumi, J.R. Davies, R. Kodama, J.S. Green, K.L. Lancaster, K.U. Akli, F.N. Beg, S.N. Chen, D. Clark, R.R. Freeman, C.D. Gregory, H. Habara, R. Heathcote, D.S. Hey, K. Highbarger, P. Jaaninmagi, M.H. Key, K. Krushelnick, T. Ma, A. MacPhee, A. J. MacKinnon, H. Nakamura, R.B. Stephens, M. Storm, M. Tampo, W. Theobald, L. Van Woerkom, R.L. Weber, M.S. Wei, N.C. Woolsey, and P.A. Norreys; New Journal of Physics, 10 043046 (2008)
"Laser heating of solid matter by light-pressure-driven shocks at ultra-relativistic intensities"
K. U. Akli, S. B. Hansen, A. J. Kemp, R. R. Freeman, F. N. Beg, D. C. Clark, S. Chen, D. Hey, S. Hatchett, K. Highbarger, E. Giraldez, J. Green, G. Gregori, K. Lancaster, T. Ma, A. J. MacKinnon, P. Norreys, N. Patel, P. K. Patel, C. Shearer, R. B. Stephens, C. Stoeckl, M. Storm, W. Theobald, L. Van Woerkom, R. Weber, and M. H. Key; Physical Review Letters, 100 165002 (2008)
"Fast Electron Generation In Cones With Ultra-Intense Laser Pulses"
L. Van Woerkom, K.U. Akli, T. Bartal, F.N. Beg, S. Chawla, C.D. Chen, E. Chowdhury, R.R. Freeman, D. Hey, M.H. Key, J.A. King, A. Link, T. Ma, A.J. MacKinnon, A.G. MacPhee, D. Offermann, V. Ovchinnikov, P.K Patel, D.W. Schumacher, R.B. Stephens, Y.Y. Tsui; Physics of Plasmas, 15 056304 (2008)
"Effect of Laser Intensity on Fast-Electron-Beam Divergence in Solid-Density Plasmas"
Green, J. S., V. M. Ovchinnikov, R. G. Evans, K. U. Akli, H. Azechi, F. N. Beg, C. Bellei, R. R. Freeman, H. Habara, R. Heathcote, M. H. Key, J. A. King, K. L. Lancaster, N. C. Lopes, T. Ma, A. J. MacKinnon, K. Markey, A. McPhee, Z. Najmudin, P. Nilson, R. Onofrei, R. Stephens, K. Takeda, K. A. Tanaka, W. Theobald, T. Tanimoto, J. Waugh, L. Van Woerkom, N. C. Woolsey, M. Zepf, J. R. Davies and P. A. Norreys; Physical Review Letters, 100 015003 (2008)
"Absolute calibration of image plates for electrons at energy between 100 keV and 4 MeV"
H. Chen, N.L. Back, T. Bartal, F.N. Beg, D.C. Eder, A.J. Link, A.G. MacPhee, Y. Ping, P.M. Song, A. Throop, and L. Van Woerkom; Review of Scientific Instruments, 79 033301 (2008)
"The Transport of Relativistic, Laser-Produced Electrons in Matter"
Batani, D., R.R. Freeman, S. Baton, , Part I pg 265, Part II pg 295, In Progress in Ultrafast Intense Laser Science III, Ed. K. Yamanouchi, S.L. Chin, P. Agostini, G. Ferrante, Springer Series in Chemical Physics, Springer Verlag, Berlin ISBN 978-3-540-73793-3 (2008)
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2007
"Surface heating of wire plasmas using laser irradiated cone geometries"
J.S. Green, K.L. Lancaster, K.U. Akli, C.D. Gregory, F.N. Beg, S.N. Chen, D. Clark, R.R. Freeman, S. Hawkes, C. Hernandez-Gomez, H. Habara, R. Heathcote, D.S. Hey, K. Highbarger, M.H. Key, R. Kodama, K. Krushelnick, I. Musgrave, H. Nakamura, M. Nakatsutsumi, N. Patel, R. Stephens, M. Storm, M. Tampo, W. Theobald, L. Van Woerkom, R.L. Weber, M.S. Wei, N.C. Woolsey, and P.A. Norreys; Nature Physics, 3 853 (2007)
"A wide angle crystal spectrometer for angularly and spectrally resolved x-ray scattering experiments"
E. García Saiz, F.Y. Khattak, G. Gregori, S. Bandyopadhyay, R. J. Clarke, B. Fell, R. R. Freeman, J. Jeffries, D. Jung, M.M. Notley , R.L. Weber, L. Van Woerkom and D. Riley; Review of Scientific Instruments, 78 095101 (2007)
"Experimental observations of transport of picosecond laser generated electrons in a nail-like target"
J. Pasley, M. Wei, E. Shipton, S. Chen, T. Ma, F. N. Beg, N. Alexander, R. Stephens, A. MacPhee, D. Hey, S. Le Pape, P. Patel, A. MacKinnon, M. Key, D. Offermann, A. Link, E. Chowdhury, L. Van Woerkom, R. Freeman; Physics of Plasmas, 14 120701 (2007)
"Anomaly in photoelectron angular distributions"
J.T. Zhang, L.D. Van Woerkom, D.S. Guo, R.R. Freeman; Phys. Rev. A, 76 015401 (2007)
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2006
"Development of an in situ peak intensity measurement method for ultra intense single shot laser-plasma experiments at the Sandia Z petawatt facility"
A. Link, E. Chowdhury, J. Morrison, V. Ovchinnikov, D. Offermann, L. Van Woerkom, R. Freeman, J. Pasley, E. Shipton, F. Beg, P. Rambo, J. Schwarz, M. Geissel, A. Edens, J. Porter; Review of Scientific Instruments, 77 10E723 (2006)
"Overview of recent progress in US fast ignition research"
R.R. Freeman, K. Akli, F. Beg, R. Betti, S. Chen, D.J. Clark, P.M. Gu, G. Gregori, S.P. Hatchett, D. Hey, K. Highbarger, J.M. Hill, N. Izumi, M. Key, J.A. King, J.A. Koch, B. Lasinki, B. Langdon, A.J. MacKinnon, D. Meyerhofer, N. Patel, P. Patel, J. Pasley, H.S. Park, C. Ren, R.A. Snavely, R.B. Stephens, C. Stoeckl, M. Tabak, R. Town, L. Van Woerkom, R. Weber, S.C. Wilks and B.B. Zhang; Journal de Physique IV, 133 95-100 (2006)
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