Search Results - "CALLAHAN, D"

Record Energetics for an Inertial Fusion Implosion at NIF by Zylstra, A B, Kritcher, A L, Hurricane, O A, Callahan, D A, Baker, K, Braun, T, Casey, D T, Clark, D, Clark, K, Döppner, T, Divol, L, Hinkel, D E, Hohenberger, M, Kong, C, Landen, O L, Nikroo, A, Pak, A, Patel, P, Ralph, J E, Rice, N, Tommasini, R, Schoff, M, Stadermann, M, Strozzi, D, Weber, C, Young, C, Wild, C, Town, R P J, Edwards, M J

“…Inertial confinement fusion seeks to create burning plasma conditions in a spherical capsule implosion, which requires efficiently absorbing the driver energy…”
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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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High-adiabat high-foot inertial confinement fusion implosion experiments on the national ignition facility by Park, H-S, Hurricane, O A, Callahan, D A, Casey, D T, Dewald, E L, Dittrich, T R, Döppner, T, Hinkel, D E, Berzak Hopkins, L F, Le Pape, S, Ma, T, Patel, P K, Remington, B A, Robey, H F, Salmonson, J D, Kline, J L

“…This Letter reports on a series of high-adiabat implosions of cryogenic layered deuterium-tritium (DT) capsules indirectly driven by a "high-foot" laser drive…”
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Design of a high-foot high-adiabat ICF capsule for the national ignition facility by Dittrich, T R, Hurricane, O A, Callahan, D A, Dewald, E L, Döppner, T, Hinkel, D E, Berzak Hopkins, L F, Le Pape, S, Ma, T, Milovich, J L, Moreno, J C, Patel, P K, Park, H-S, Remington, B A, Salmonson, J D, Kline, J L

“…The National Ignition Campaign's [M. J. Edwards et al., Phys. Plasmas 20, 070501 (2013)] point design implosion has achieved DT neutron yields of 7.5×10(14)…”
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Evidence of Three-Dimensional Asymmetries Seeded by High-Density Carbon-Ablator Nonuniformity in Experiments at the National Ignition Facility by Casey, D T, MacGowan, B J, Sater, J D, Zylstra, A B, Landen, O L, Milovich, J, Hurricane, O A, Kritcher, A L, Hohenberger, M, Baker, K, Le Pape, S, Döppner, T, Weber, C, Huang, H, Kong, C, Biener, J, Young, C V, Haan, S, Nora, R C, Ross, S, Robey, H, Stadermann, M, Nikroo, A, Callahan, D A, Bionta, R M, Hahn, K D, Moore, A S, Schlossberg, D, Bruhn, M, Sequoia, K, Rice, N, Farrell, M, Wild, C

“…Inertial confinement fusion implosions must achieve high in-flight shell velocity, sufficient energy coupling between the hot spot and imploding shell, and…”
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Parallel Programmability and the Chapel Language by Chamberlain, B.L., Callahan, D., Zima, H.P.

“…In this paper we consider productivity challenges for parallel programmers and explore ways that parallel language design might help improve end-user…”
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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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Fuel gain exceeding unity in an inertially confined fusion implosion by Hurricane, O. A., Callahan, D. A., Casey, D. T., Celliers, P. M., Cerjan, C., Dewald, E. L., Dittrich, T. R., Döppner, T., Hinkel, D. E., Hopkins, L. F. Berzak, Kline, J. L., Le Pape, S., Ma, T., MacPhee, A. G., Milovich, J. L., Pak, A., Park, H.-S., Patel, P. K., Remington, B. A., Salmonson, J. D., Springer, P. T., Tommasini, R.

“…Fusion fuel gains greater than unity — which are crucial to the generation of fusion energy — are achieved on the US National Ignition Facility using the…”
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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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Principlism and communitarianism by Callahan, D

“…The decline in the interest in ethical theory is first outlined, as a background to the author’s discussion of principlism. The author’s own stance, that of a…”
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Phosphorylation of tau at a single residue inhibits binding to the E3 ubiquitin ligase, CHIP by Nadel, Cory M., Pokhrel, Saugat, Wucherer, Kristin, Oehler, Abby, Thwin, Aye C., Basu, Koli, Callahan, Matthew D., Southworth, Daniel R., Mordes, Daniel A., Craik, Charles S., Gestwicki, Jason E.

“…Microtubule-associated protein tau (MAPT/tau) accumulates in a family of neurodegenerative diseases, including Alzheimer’s disease (AD). In disease, tau is…”
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Energy Principles of Scientific Breakeven in an Inertial Fusion Experiment by Hurricane, O A, Callahan, D A, Casey, D T, Christopherson, A R, Kritcher, A L, Landen, O L, Maclaren, S A, Nora, R, Patel, P K, Ralph, J, Schlossberg, D, Springer, P T, Young, C V, Zylstra, A B

“…Fusion "scientific breakeven" (i.e., unity target gain G_{target}, total fusion energy out > laser energy input) has been achieved for the first time (here,…”
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Tuning the implosion symmetry of ICF targets via controlled crossed-beam energy transfer by Michel, P, Divol, L, Williams, E A, Weber, S, Thomas, C A, Callahan, D A, Haan, S W, Salmonson, J D, Dixit, S, Hinkel, D E, Edwards, M J, Macgowan, B J, Lindl, J D, Glenzer, S H, Suter, L J

“…Radiative hydrodynamics simulations of ignition experiments show that energy transfer between crossing laser beams allows tuning of the implosion symmetry. A…”
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First high-convergence cryogenic implosion in a near-vacuum hohlraum by Berzak Hopkins, L F, Meezan, N B, Le Pape, S, Divol, L, Mackinnon, A J, Ho, D D, Hohenberger, M, Jones, O S, Kyrala, G, Milovich, J L, Pak, A, Ralph, J E, Ross, J S, Benedetti, L R, Biener, J, Bionta, R, Bond, E, Bradley, D, Caggiano, J, Callahan, D, Cerjan, C, Church, J, Clark, D, Döppner, T, Dylla-Spears, R, Eckart, M, Edgell, D, Field, J, Fittinghoff, D N, Gatu Johnson, M, Grim, G, Guler, N, Haan, S, Hamza, A, Hartouni, E P, Hatarik, R, Herrmann, H W, Hinkel, D, Hoover, D, Huang, H, Izumi, N, Khan, S, Kozioziemski, B, Kroll, J, Ma, T, MacPhee, A, McNaney, J, Merrill, F, Moody, J, Nikroo, A, Patel, P, Robey, H F, Rygg, J R, Sater, J, Sayre, D, Schneider, M, Sepke, S, Stadermann, M, Stoeffl, W, Thomas, C, Town, R P J, Volegov, P L, Wild, C, Wilde, C, Woerner, E, Yeamans, C, Yoxall, B, Kilkenny, J, Landen, O L, Hsing, W, Edwards, M J

“…Recent experiments on the National Ignition Facility [M. J. Edwards et al., Phys. Plasmas 20, 070501 (2013)] demonstrate that utilizing a near-vacuum hohlraum…”
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Impact of obesity on catheter ablation of atrial fibrillation: Patient characteristics, procedural complications, outcomes, and quality of life by Tabaja, Chadi, Younis, Arwa, Santageli, Pasquale, Farwati, Medhat, Braghieri, Lorenzo, Nakagawa, Hiroshi, Saliba, Walid I., Madden, Ruth, Bouscher, Patricia, Kanj, Mohamed, Callahan, Thomas D., Martin, David, Bhargava, Mandeep, Chung, Mina, Baranowski, Bryan, Nakhla, Shady, Sroubek, Jakub, Lee, Justin, Taigen, Tyler, Wazni, Oussama M., Hussein, Ayman A.

“…Introduction Obesity is a well‐known risk factor for atrial fibrillation (AF). We aim to evaluate the effect of baseline obesity on procedural complications,…”
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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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Blubber fatty acids reveal variation in the diet of male Australian fur seals by Knox, T. C., Callahan, D. L., Kernaléguen, L., Baylis, A. M. M., Arnould, J. P. Y.

“…Top-order predators play an important role in the structure and function of marine ecosystems. Optimal foraging theory predicts that predators will utilise…”
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Plasma stopping-power measurements reveal transition from non-degenerate to degenerate plasmas by Hayes, A. C., Gooden, M. E., Henry, E., Jungman, Gerard, Wilhelmy, J. B., Rundberg, R. S., Yeamans, C., Kyrala, G., Cerjan, C., Danielson, D. L., Daligault, Jérôme, Wilburn, C., Volegov, P., Wilde, C., Batha, S., Bredeweg, T., Kline, J. L., Grim, G. P., Hartouni, E. P., Shaughnessy, D., Velsko, C., Cassata, W. S., Moody, K., Berzak Hopkins, L. F., Hinkel, D., Döppner, T., Le Pape, S., Graziani, F., Callahan, D. A., Hurricane, O. A., Schneider, D.

“…Physically realized electron gas systems usually reside in either the quantum non-degenerate or fully degenerate limit, where the average de Broglie wavelength…”
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Entrapped Leads After Transcatheter Tricuspid Valve Replacement by Callahan, Thomas D., Wilkoff, Bruce L.

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Quantifying risk after transvenous lead extraction by Callahan, Thomas D., Martin, David O.

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