Search Results - "Nagel, S"

Fusion Energy Output Greater than the Kinetic Energy of an Imploding Shell at the National Ignition Facility by Le Pape, S, Berzak Hopkins, L F, Divol, L, Pak, A, Dewald, E L, Bhandarkar, S, Bennedetti, L R, Bunn, T, Biener, J, Crippen, J, Casey, D, Edgell, D, Fittinghoff, D N, Gatu-Johnson, M, Goyon, C, Haan, S, Hatarik, R, Havre, M, Ho, D D-M, Izumi, N, Jaquez, J, Khan, S F, Kyrala, G A, Ma, T, Mackinnon, A J, MacPhee, A G, MacGowan, B J, Meezan, N B, Milovich, J, Millot, M, Michel, P, Nagel, S R, Nikroo, A, Patel, P, Ralph, J, Ross, J S, Rice, N G, Strozzi, D, Stadermann, M, Volegov, P, Yeamans, C, Weber, C, Wild, C, Callahan, D, Hurricane, O A

“…A series of cryogenic, layered deuterium-tritium (DT) implosions have produced, for the first time, fusion energy output twice the peak kinetic energy of the…”
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Anharmonic and quasi-localized vibrations in jammed solids—Modes for mechanical failure by Xu, N, Vitelli, V, Liu, A. J, Nagel, S. R

“…We study harmonic and anharmonic properties of the vibrational modes in 3-dimensional jammed packings of frictionless spheres interacting via repulsive,…”
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Geometry of the vapor layer under a leidenfrost drop by Burton, J C, Sharpe, A L, van der Veen, R C A, Franco, A, Nagel, S R

“…In the Leidenfrost effect, liquid drops deposited on a hot surface levitate on a thin vapor cushion fed by evaporation of the liquid. This vapor layer forms a…”
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Geometric origin of excess low-frequency vibrational modes in weakly connected amorphous solids by Wyart, M, Nagel, S. R, Witten, T. A

“…Glasses have an excess number of low-frequency vibrational modes in comparison with most crystalline solids. We show that such a feature necessarily occurs in…”
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High-Performance Indirect-Drive Cryogenic Implosions at High Adiabat on the National Ignition Facility by Baker, K L, Thomas, C A, Casey, D T, Khan, S, Spears, B K, Nora, R, Woods, T, Milovich, J L, Berger, R L, Strozzi, D, Clark, D, Hohenberger, M, Hurricane, O A, Callahan, D A, Landen, O L, Bachmann, B, Benedetti, R, Bionta, R, Celliers, P M, Fittinghoff, D, Goyon, C, Grim, G, Hatarik, R, Izumi, N, Gatu Johnson, M, Kyrala, G, Ma, T, Millot, M, Nagel, S R, Pak, A, Patel, P K, Turnbull, D, Volegov, P L, Yeamans, C

“…To reach the pressures and densities required for ignition, it may be necessary to develop an approach to design that makes it easier for simulations to guide…”
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Bright spatially coherent synchrotron X-rays from a table-top source by Kneip, S, Najmudin, Z, McGuffey, C, Martins, J. L, Martins, S. F, Bellei, C, Chvykov, V, Dollar, F, Fonseca, R, Huntington, C, Kalintchenko, G, Maksimchuk, A, Mangles, S. P. D, Matsuoka, T, Nagel, S. R, Palmer, C. A. J, Schreiber, J, Phuoc, K. Ta, Thomas, A. G. R, Yanovsky, V, Silva, L. O, Krushelnick, K

“…Each successive generation of X-ray machines has opened up new frontiers in science, such as the first radiographs and the determination of the structure of…”
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Stroke due to acute occlusion of the basilar artery : Diagnosis and treatment by Nagel, S

“…Acute occlusion of the basilar artery is a rare and, if left untreated, severe neurovascular condition with a high mortality. The clinical presentation is…”
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Value of Contrast-Enhanced MRA versus Time-of-Flight MRA in Acute Ischemic Stroke MRI by Boujan, T, Neuberger, U, Pfaff, J, Nagel, S, Herweh, C, Bendszus, M, Möhlenbruch, M A

“…Vessel imaging in acute ischemic stroke is essential to select patients with large-vessel occlusion for mechanical thrombectomy. Our aim was to compare the…”
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Observation of Hydrodynamic Flows in Imploding Fusion Plasmas on the National Ignition Facility by Schlossberg, D. J., Grim, G. P., Casey, D. T., Moore, A. S., Nora, R., Bachmann, B., Benedetti, L. R., Bionta, R. M., Eckart, M. J., Field, J. E., Fittinghoff, D. N., Gatu Johnson, M., Geppert-Kleinrath, V., Hartouni, E. P., Hatarik, R., Hsing, W. W., Jarrott, L. C., Khan, S. F., Kilkenny, J. D., Landen, O. L., MacGowan, B. J., Mackinnon, A. J., Meaney, K. D., Munro, D. H., Nagel, S. R., Pak, A., Patel, P. K., Spears, B. K., Volegov, P. L., Young, C. V.

“…Inertial confinement fusion implosions designed to have minimal fluid motion at peak compression often show significant linear flows in the laboratory,…”
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Automated detection and segmentation of intracranial hemorrhage suspect hyperdensities in non-contrast-enhanced CT scans of acute stroke patients by Schmitt, N., Mokli, Y., Weyland, C. S., Gerry, S., Herweh, C., Ringleb, P. A., Nagel, S.

“…Objectives Artif icial intelligence (AI)–based image analysis is increasingly applied in the acute stroke field. Its implementation for the detection and…”
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Development of Improved Radiation Drive Environment for High Foot Implosions at the National Ignition Facility by Hinkel, D E, Berzak Hopkins, L F, Ma, T, Ralph, J E, Albert, F, Benedetti, L R, Celliers, P M, Döppner, T, Goyon, C S, Izumi, N, Jarrott, L C, Khan, S F, Kline, J L, Kritcher, A L, Kyrala, G A, Nagel, S R, Pak, A E, Patel, P, Rosen, M D, Rygg, J R, Schneider, M B, Turnbull, D P, Yeamans, C B, Callahan, D A, Hurricane, O A

“…Analyses of high foot implosions show that performance is limited by the radiation drive environment, i.e., the hohlraum. Reported here are significant…”
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Thermal Temperature Measurements of Inertial Fusion Implosions by Jarrott, L C, Bachmann, B, Ma, T, Benedetti, L R, Field, F E, Hartouni, E P, Hatarik, R, Izumi, N, Khan, S F, Landen, O L, Nagel, S R, Nora, R, Pak, A, Peterson, J L, Schneider, M B, Springer, P T, Patel, P K

“…Accurate measurement of the thermal temperature in inertially confined fusion plasmas is essential for characterizing ignition performance and validating the…”
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Environmental signatures and effects of an oil and gas wastewater spill in the Williston Basin, North Dakota by Cozzarelli, I.M., Skalak, K.J., Kent, D.B., Engle, M.A., Benthem, A., Mumford, A.C., Haase, K., Farag, A., Harper, D., Nagel, S.C., Iwanowicz, L.R., Orem, W.H., Akob, D.M., Jaeschke, J.B., Galloway, J., Kohler, M., Stoliker, D.L., Jolly, G.D.

“…Wastewaters from oil and gas development pose largely unknown risks to environmental resources. In January 2015, 11.4ML (million liters) of wastewater (300g/L…”
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e-ASPECTS Correlates with and Is Predictive of Outcome after Mechanical Thrombectomy by Pfaff, J, Herweh, C, Schieber, S, Schönenberger, S, Bösel, J, Ringleb, P A, Möhlenbruch, M, Bendszus, M, Nagel, S

“…The e-ASPECTS software is a tool for the automated use of ASPECTS. Our aim was to analyze whether baseline e-ASPECT scores correlate with outcome after…”
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Excitations of ellipsoid packings near jamming by Zeravcic, Z, Xu, N, Liu, A. J, Nagel, S. R, van Saarloos, W

“…We study the vibrational modes of three-dimensional jammed packings of soft ellipsoids of revolution as a function of particle aspect ratio $\varepsilon $ and…”
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Correlation of Thrombectomy Maneuver Count with Recanalization Success and Clinical Outcome in Patients with Ischemic Stroke by Seker, F, Pfaff, J, Wolf, M, Ringleb, P A, Nagel, S, Schönenberger, S, Herweh, C, Möhlenbruch, M A, Bendszus, M, Pham, M

“…In the treatment of acute thromboembolic stroke, the effectiveness and success of thrombus removal when using stent retrievers is variable. In this study, we…”
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Near-GeV acceleration of electrons by a nonlinear plasma wave driven by a self-guided laser pulse by Kneip, S, Nagel, S R, Martins, S F, Mangles, S P D, Bellei, C, Chekhlov, O, Clarke, R J, Delerue, N, Divall, E J, Doucas, G, Ertel, K, Fiuza, F, Fonseca, R, Foster, P, Hawkes, S J, Hooker, C J, Krushelnick, K, Mori, W B, Palmer, C A J, Phuoc, K Ta, Rajeev, P P, Schreiber, J, Streeter, M J V, Urner, D, Vieira, J, Silva, L O, Najmudin, Z

“…The acceleration of electrons to approximately 0.8 GeV has been observed in a self-injecting laser wakefield accelerator driven at a plasma density of…”
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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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Minor Stroke Syndromes in Large-Vessel Occlusions: Mechanical Thrombectomy or Thrombolysis Only? by Messer, M P, Schönenberger, S, Möhlenbruch, M A, Pfaff, J, Herweh, C, Ringleb, P A, Nagel, S

“…While mechanical thrombectomy for large-vessel occlusions is now an evidence-based treatment, its efficacy and safety in minor stroke syndromes (NIHSS ≤ 5) is…”
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RAPID CT Perfusion-Based Relative CBF Identifies Good Collateral Status Better Than Hypoperfusion Intensity Ratio, CBV-Index, and Time-to-Maximum in Anterior Circulation Stroke by Potreck, A, Scheidecker, E, Weyland, C S, Neuberger, U, Herweh, C, Möhlenbruch, M A, Chen, M, Nagel, S, Bendszus, M, Seker, F

“…Information of collateral flow may help to determine eligibility for thrombectomy. Our aim was to identify CT perfusion-based surrogate parameters of good…”
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