Search Results - "Merrill, F. E."

Single-shot electron radiography using a laser–plasma accelerator by Bruhaug, G., Freeman, M. S., Rinderknecht, H. G., Neukirch, L. P., Wilde, C. H., Merrill, F. E., Rygg, J. R., Wei, M. S., Collins, G. W., Shaw, J. L.

“…Contact and projection electron radiography of static targets was demonstrated using a laser–plasma accelerator driven by a kilojoule, picosecond-class laser…”
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Multiscale X-ray and Proton Imaging of Bismuth-Tin Solidification by Gibbs, P. J., Imhoff, S. D., Morris, C. L., Merrill, F. E., Wilde, C. H., Nedrow, P., Mariam, F. G., Fezzaa, K., Lee, W.-K., Clarke, A. J.

“…The formation of structural patterns during metallic solidification is complex and multiscale in nature, ranging from the nanometer scale, where solid–liquid…”
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Charged particle radiography by Morris, C L, King, N S P, Kwiatkowski, K, Mariam, F G, Merrill, F E, Saunders, A

“…New applications of charged particle radiography have been developed over the past two decades that extend the range of radiographic techniques providing…”
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Improved Performance of High Areal Density Indirect Drive Implosions at the National Ignition Facility using a Four-Shock Adiabat Shaped Drive by Casey, D T, Milovich, J L, Smalyuk, V A, Clark, D S, Robey, H F, Pak, A, MacPhee, A G, Baker, K L, Weber, C R, Ma, T, Park, H-S, Döppner, T, Callahan, D A, Haan, S W, Patel, P K, Peterson, J L, Hoover, D, Nikroo, A, Yeamans, C B, Merrill, F E, Volegov, P L, Fittinghoff, D N, Grim, G P, Edwards, M J, Landen, O L, Lafortune, K N, MacGowan, B J, Widmayer, C C, Sayre, D B, Hatarik, R, Bond, E J, Nagel, S R, Benedetti, L R, Izumi, N, Khan, S, Bachmann, B, Spears, B K, Cerjan, C J, Gatu Johnson, M, Frenje, J A

“…Hydrodynamic instabilities can cause capsule defects and other perturbations to grow and degrade implosion performance in ignition experiments at the National…”
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Dark field proton radiography by Freeman, M. S., Allison, J. C., Aulwes, E. F., Broder, B. A., Davis, M. G., Espy, M., Magnelind, P. E., Mariam, F. G., Martinez, L. I., Medina, J. J., Meijer, W. Z., Merrill, F. E., Morris, C., Neukirch, L. P., Prestridge, K. P., Saunders, A., Schurman, T., Sidebottom, R. B., Tainter, A. M., Tang, Z., Trouw, F. R., Tupa, D., Tybo, J. L., Wilde, C. H.

“…A pre- and post-collimation scheme has been applied to high energy proton radiography to establish a dark field condition, which defaults to a state of no…”
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Direct observation of the phenomenology of a solid thermal explosion using time-resolved proton radiography by Smilowitz, L, Henson, B F, Romero, J J, Asay, B W, Schwartz, C L, Saunders, A, Merrill, F E, Morris, C L, Kwiatkowski, K, Hogan, G, Nedrow, P, Murray, M M, Thompson, T N, McNeil, W, Rightley, P, Marr-Lyon, M

“…We present a new phenomenology for burn propagation inside a thermal explosion based on dynamic radiography. Radiographic images were obtained of an aluminum…”
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In situ observation of self-propagating high temperature syntheses of Ta5Si3, Ti5Si3 and TiB2 by proton and X-ray radiography by Bernert, T., Winkler, B., Haussühl, E., Trouw, F., Vogel, S.C., Hurd, A.J., Smilowitz, L., Henson, B.F., Merrill, F.E., Morris, C.L., Mariam, F.G., Saunders, A., Juarez-Arellano, E.A.

“…Self-propagating high temperature reactions of tantalum and titanium with silicon and titanium with boron were studied using proton and X-ray radiography,…”
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Experimental study of passive compensation of space charge at the Los Alamos National Laboratory Proton Storage Ring by Plum, M. A., Fitzgerald, D. H., Langenbrunner, J., Macek, R. J., Merrill, F. E., Neri, F., Thiessen, H. A., Walstrom, P. L., Griffin, J. E., Ng, K. Y., Qian, Z. B., Wildman, D., Prichard, B. A.

“…The inductance of the vacuum chamber of the Proton Storage Ring at Los Alamos National Laboratory was intentionally increased by the introduction of ferrite…”
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Dynamics of AC electrical machines by Merrill, E.F.

“…This paper defines, and places in context, the concepts of natural frequency, critical speed, excitation mechanical resonance, damping, torsional excitation,…”
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An 800-MeV proton radiography facility for dynamic experiments by King, N.S.P, Ables, E, Adams, Ken, Alrick, K.R, Amann, J.F, Balzar, Stephen, Barnes Jr, P.D, Crow, M.L, Cushing, S.B, Eddleman, J.C, Fife, T.T, Flores, Paul, Fujino, D, Gallegos, R.A, Gray, N.T, Hartouni, E.P, Hogan, G.E, Holmes, V.H, Jaramillo, S.A, Knudsson, J.N, London, R.K, Lopez, R.R, McDonald, T.E, McClelland, J.B, Merrill, F.E, Morley, K.B, Morris, C.L, Naivar, F.J, Parker, E.L, Park, H.S, Pazuchanics, P.D, Pillai, C, Riedel, C.M, Sarracino, J.S, Shelley Jr, F.E, Stacy, H.L, Takala, B.E, Thompson, Richard, Tucker, H.E, Yates, G.J, Ziock, H.-J, Zumbro, J.D

“…The capability has successfully been developed at the Los Alamos Nuclear Science Center (LANSCE) to utilize a spatially and temporally prepared 800 MeV proton…”
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Demonstration of High Performance in Layered Deuterium-Tritium Capsule Implosions in Uranium Hohlraums at the National Ignition Facility by Döppner, T, Callahan, D A, Hurricane, O A, Hinkel, D E, Ma, T, Park, H-S, Berzak Hopkins, L F, Casey, D T, Celliers, P, Dewald, E L, Dittrich, T R, Haan, S W, Kritcher, A L, MacPhee, A, Le Pape, S, Pak, A, Patel, P K, Springer, P T, Salmonson, J D, Tommasini, R, Benedetti, L R, Bond, E, Bradley, D K, Caggiano, J, Church, J, Dixit, S, Edgell, D, Edwards, M J, Fittinghoff, D N, Frenje, J, Gatu Johnson, M, Grim, G, Hatarik, R, Havre, M, Herrmann, H, Izumi, N, Khan, S F, Kline, J L, Knauer, J, Kyrala, G A, Landen, O L, Merrill, F E, Moody, J, Moore, A S, Nikroo, A, Ralph, J E, Remington, B A, Robey, H F, Sayre, D, Schneider, M, Streckert, H, Town, R, Turnbull, D, Volegov, P L, Wan, A, Widmann, K, Wilde, C H, Yeamans, C

“…We report on the first layered deuterium-tritium (DT) capsule implosions indirectly driven by a "high-foot" laser pulse that were fielded in depleted uranium…”
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Demonstration of transmission high energy electron microscopy by Merrill, F. E., Goett, J., Gibbs, J. W., Imhoff, S. D., Mariam, F. G., Morris, C. L., Neukirch, L. P., Perry, J., Poulson, D., Simpson, R., Volegov, P. L., Walstrom, P. L., Wilde, C. H., Hast, C., Jobe, K., Smith, T., Wienands, U., Clarke, A. J., Tourret, D.

“…High energy electrons have been used to investigate an extension of transmission electron microscopy. This technique, transmission high energy electron…”
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Thin shell, high velocity inertial confinement fusion implosions on the national ignition facility by Ma, T, Hurricane, O A, Callahan, D A, Barrios, M A, Casey, D T, Dewald, E L, Dittrich, T R, Döppner, T, Haan, S W, Hinkel, D E, Berzak Hopkins, L F, Le Pape, S, MacPhee, A G, Pak, A, Park, H-S, Patel, P K, Remington, B A, Robey, H F, Salmonson, J D, Springer, P T, Tommasini, R, Benedetti, L R, Bionta, R, Bond, E, Bradley, D K, Caggiano, J, Celliers, P, Cerjan, C J, Church, J A, Dixit, S, Dylla-Spears, R, Edgell, D, Edwards, M J, Field, J, Fittinghoff, D N, Frenje, J A, Gatu Johnson, M, Grim, G, Guler, N, Hatarik, R, Herrmann, H W, Hsing, W W, Izumi, N, Jones, O S, Khan, S F, Kilkenny, J D, Knauer, J, Kohut, T, Kozioziemski, B, Kritcher, A, Kyrala, G, Landen, O L, MacGowan, B J, Mackinnon, A J, Meezan, N B, Merrill, F E, Moody, J D, Nagel, S R, Nikroo, A, Parham, T, Ralph, J E, Rosen, M D, Rygg, J R, Sater, J, Sayre, D, Schneider, M B, Shaughnessy, D, Spears, B K, Town, R P J, Volegov, P L, Wan, A, Widmann, K, Wilde, C H, Yeamans, C

“…Experiments have recently been conducted at the National Ignition Facility utilizing inertial confinement fusion capsule ablators that are 175 and 165  μm in…”
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A narrow-gap ion chamber for beam motion correction in proton radiography experiments by Schultz, L.J., Kwiatkowski, K.K., Morris, C.L., Saunders, A., Hogan, G.E., Merrill, F.E., Morley, K.B.

“…A small gap, segmented hydrogen ion chamber was constructed for beam position monitoring in dynamic proton radiography imaging experiments at the Los Alamos…”
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New Developments in Proton Radiography at the Los Alamos Neutron Science Center (LANSCE) by Morris, C. L., Brown, E. N., Agee, C., Bernert, T., Bourke, M. A. M., Burkett, M. W., Buttler, W. T., Byler, D. D., Chen, C. F., Clarke, A. J., Cooley, J. C., Gibbs, P. J., Imhoff, S. D., Jones, R., Kwiatkowski, K., Mariam, F. G., Merrill, F. E., Murray, M. M., Olinger, C. T., Oro, D. M., Nedrow, P., Saunders, A., Terrones, G., Trouw, F., Tupa, D., Vogan, W., Winkler, B., Wang, Z., Zellner, M. B.

“…An application of nuclear physics, a facility for using protons for flash radiography, has been developed at the Los Alamos Neutron Science Center (LANSCE)…”
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Commissioning of the PRIOR proton microscope by Varentsov, D, Antonov, O, Bakhmutova, A, Barnes, C. W, Bogdanov, A, Danly, C. R, Efimov, S, Endres, M, Fertman, A, Golubev, A. A, Hoffmann, D. H. H, Ionita, B, Kantsyrev, A, Krasik, Ya. E, Lang, P. M, Lomonosov, I, Mariam, F. G, Markov, N, Merrill, F. E, Mintsev, V. B, Nikolaev, D, Panyushkin, V, Rodionova, M, Schanz, M, Schoenberg, K, Semennikov, A, Shestov, L, Skachkov, V. S, Turtikov, V, Udrea, S, Vasylyev, O, Weyrich, K, Wilde, C, Zubareva, A

“…Rev. Sci. Instrum. 87, 023303 (2016) Recently a new high energy proton microscopy facility PRIOR (Proton Microscope for FAIR) has been designed, constructed…”
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Multiscale X-ray and Proton Imaging of Bismuth-Tin Solidification by Gibbs, P. J., Imhoff, S. D., Morris, C. L., Merrill, F. E., Wilde, C. H., Nedrow, P., Mariam, F. G., Fezzaa, K., Lee, W. -K., Clarke, A. J.

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Demonstration of High Performance in Layered Deuterium-Tritium Capsule Implosions in Uranium Hohlraums at the National Ignition Facility by Döppner, T., Callahan, D. A., Hurricane, O. A., Hinkel, D. E., Ma, T., Park, H. -S., Berzak Hopkins, L. F., Casey, D. T., Celliers, P., Dewald, E. L., Dittrich, T. R., Haan, S. W., Kritcher, A. L., MacPhee, A., Le Pape, S., Pak, A., Patel, P. K., Springer, P. T., Salmonson, J. D., Tommasini, R., Benedetti, L. R., Bond, E., Bradley, D. K., Caggiano, J., Church, J., Dixit, S., Edgell, D., Edwards, M. J., Fittinghoff, D. N., Frenje, J., Gatu Johnson, M., Grim, G., Hatarik, R., Havre, M., Herrmann, H., Izumi, N., Khan, S. F., Kline, J. L., Knauer, J., Kyrala, G. A., Landen, O. L., Merrill, F. E., Moody, J., Moore, A. S., Nikroo, A., Ralph, J. E., Remington, B. A., Robey, H. F., Sayre, D., Schneider, M., Streckert, H., Town, R., Turnbull, D., Volegov, P. L., Wan, A., Widmann, K., Wilde, C. H., Yeamans, C.

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Thin Shell, High Velocity Inertial Confinement Fusion Implosions on the National Ignition Facility by Ma, T., Hurricane, O. A., Callahan, D. A., Barrios, M. A., Casey, D. T., Dewald, E. L., Dittrich, T. R., Döppner, T., Haan, S. W., Hinkel, D. E., Berzak Hopkins, L. F., Le Pape, S., MacPhee, A. G., Pak, A., Park, H. -S., Patel, P. K., Remington, B. A., Robey, H. F., Salmonson, J. D., Springer, P. T., Tommasini, R., Benedetti, L. R., Bionta, R., Bond, E., Bradley, D. K., Caggiano, J., Celliers, P., Cerjan, C. J., Church, J. A., Dixit, S., Dylla-Spears, R., Edgell, D., Edwards, M. J., Field, J., Fittinghoff, D. N., Frenje, J. A., Gatu Johnson, M., Grim, G., Guler, N., Hatarik, R., Herrmann, H. W., Hsing, W. W., Izumi, N., Jones, O. S., Khan, S. F., Kilkenny, J. D., Knauer, J., Kohut, T., Kozioziemski, B., Kritcher, A., Kyrala, G., Landen, O. L., MacGowan, B. J., Mackinnon, A. J., Meezan, N. B., Merrill, F. E., Moody, J. D., Nagel, S. R., Nikroo, A., Parham, T., Ralph, J. E., Rosen, M. D., Rygg, J. R., Sater, J., Sayre, D., Schneider, M. B., Shaughnessy, D., Spears, B. K., Town, R. P. J., Volegov, P. L., Wan, A., Widmann, K., Wilde, C. H., Yeamans, C.

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Cosmic ray radiography of a human phantom by Morris, Christopher, Perry, John, Merrill, F. E

“…Cosmic ray muons, that reach the earth's surface, provide a natural source of radiation that is used for radiography. In this paper, we show that radiography…”
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