Search Results - "Séguin, F. H"

Measurements of Ion Stopping Around the Bragg Peak in High-Energy-Density Plasmas by Frenje, J A, Grabowski, P E, Li, C K, Séguin, F H, Zylstra, A B, Gatu Johnson, M, Petrasso, R D, Glebov, V Yu, Sangster, T C

“…For the first time, quantitative measurements of ion stopping at energies around the Bragg peak (or peak ion stopping, which occurs at an ion velocity…”
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Slowing of Magnetic Reconnection Concurrent with Weakening Plasma Inflows and Increasing Collisionality in Strongly Driven Laser-Plasma Experiments by Rosenberg, M J, Li, C K, Fox, W, Zylstra, A B, Stoeckl, C, Séguin, F H, Frenje, J A, Petrasso, R D

“…An evolution of magnetic reconnection behavior, from fast jets to the slowing of reconnection and the establishment of a stable current sheet, has been…”
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Measurement of charged-particle stopping in warm dense plasma by Zylstra, A B, Frenje, J A, Grabowski, P E, Li, C K, Collins, G W, Fitzsimmons, P, Glenzer, S, Graziani, F, Hansen, S B, Hu, S X, Johnson, M Gatu, Keiter, P, Reynolds, H, Rygg, J R, Séguin, F H, Petrasso, R D

“…We measured the stopping of energetic protons in an isochorically heated solid-density Be plasma with an electron temperature of ∼32  eV, corresponding to…”
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Experimental Validation of Low-Z Ion-Stopping Formalisms around the Bragg Peak in High-Energy-Density Plasmas by Frenje, J A, Florido, R, Mancini, R, Nagayama, T, Grabowski, P E, Rinderknecht, H, Sio, H, Zylstra, A, Gatu Johnson, M, Li, C K, Séguin, F H, Petrasso, R D, Glebov, V Yu, Regan, S P

“…We report on the first accurate validation of low-Z ion-stopping formalisms in the regime ranging from low-velocity ion stopping-through the Bragg peak-to…”
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Proton Radiography of Inertial Fusion Implosions by Rygg, J.R, Séguin, F.H, Li, C.K, Frenje, J.A, Manuel, M.J.-E, Petrasso, R.D, Betti, R, Delettrez, J.A, Gotchev, O.V, Knauer, J.P, Meyerhofer, D.D, Marshall, F.J, Stoeckl, C, Theobald, W

“…A distinctive way of quantitatively imaging inertial fusion implosions has resulted in the characterization of two different types of electromagnetic…”
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Charged-Particle Probing of X-ray-Driven Inertial-Fusion Implosions by Li, C. K., Séguin, F. H., Frenje, J. A., Rosenberg, M., Petrasso, R. D., Amendt, P. A., Koch, J. A., Landen, O. L., Park, H. S., Robey, H. F., Town, R. P. J., Casner, A., Philippe, F., Betti, R., Knauer, J. P., Meyerhofer, D. D., Back, C. A., Kilkenny, J. D., Nikroo, A.

“…Measurements of x-ray-driven implosions with charged particles have resulted in the quantitative characterization of critical aspects of indirect-drive…”
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Ion thermal decoupling and species separation in shock-driven implosions by Rinderknecht, Hans G, Rosenberg, M J, Li, C K, Hoffman, N M, Kagan, G, Zylstra, A B, Sio, H, Frenje, J A, Gatu Johnson, M, Séguin, F H, Petrasso, R D, Amendt, P, Bellei, C, Wilks, S, Delettrez, J, Glebov, V Yu, Stoeckl, C, Sangster, T C, Meyerhofer, D D, Nikroo, A

“…Anomalous reduction of the fusion yields by 50% and anomalous scaling of the burn-averaged ion temperatures with the ion-species fraction has been observed for…”
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First observations of nonhydrodynamic mix at the fuel-shell interface in shock-driven inertial confinement implosions by Rinderknecht, H G, Sio, H, Li, C K, Zylstra, A B, Rosenberg, M J, Amendt, P, Delettrez, J, Bellei, C, Frenje, J A, Gatu Johnson, M, Séguin, F H, Petrasso, R D, Betti, R, Glebov, V Yu, Meyerhofer, D D, Sangster, T C, Stoeckl, C, Landen, O, Smalyuk, V A, Wilks, S, Greenwood, A, Nikroo, A

“…A strong nonhydrodynamic mechanism generating atomic fuel-shell mix has been observed in strongly shocked inertial confinement fusion implosions of thin…”
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Exploration of the transition from the hydrodynamiclike to the strongly kinetic regime in shock-driven implosions by Rosenberg, M J, Rinderknecht, H G, Hoffman, N M, Amendt, P A, Atzeni, S, Zylstra, A B, Li, C K, Séguin, F H, Sio, H, Johnson, M Gatu, Frenje, J A, Petrasso, R D, Glebov, V Yu, Stoeckl, C, Seka, W, Marshall, F J, Delettrez, J A, Sangster, T C, Betti, R, Goncharov, V N, Meyerhofer, D D, Skupsky, S, Bellei, C, Pino, J, Wilks, S C, Kagan, G, Molvig, K, Nikroo, A

“…Clear evidence of the transition from hydrodynamiclike to strongly kinetic shock-driven implosions is, for the first time, revealed and quantitatively…”
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Proton Spectra from He 3 + T and He 3 + He 3 Fusion at Low Center-of-Mass Energy, with Potential Implications for Solar Fusion Cross Sections by Zylstra, A. B., Frenje, J. A., Gatu Johnson, M., Hale, G. M., Brune, C. R., Bacher, A., Casey, D. T., Li, C. K., McNabb, D., Paris, M., Petrasso, R. D., Sangster, T. C., Sayre, D. B., Séguin, F. H.

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Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion by Li, C K, Séguin, F H, Rygg, J R, Frenje, J A, Manuel, M, Petrasso, R D, Betti, R, Delettrez, J, Knauer, J P, Marshall, F, Meyerhofer, D D, Shvarts, D, Smalyuk, V A, Stoeckl, C, Landen, O L, Town, R P J, Back, C A, Kilkenny, J D

“…Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion…”
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Using Inertial Fusion Implosions to Measure the T + He 3 Fusion Cross Section at Nucleosynthesis-Relevant Energies by Zylstra, A. B., Herrmann, H. W., Johnson, M. Gatu, Kim, Y. H., Frenje, J. A., Hale, G., Li, C. K., Rubery, M., Paris, M., Bacher, A., Brune, C. R., Forrest, C., Glebov, V. Yu, Janezic, R., McNabb, D., Nikroo, A., Pino, J., Sangster, T. C., Séguin, F. H., Seka, W., Sio, H., Stoeckl, C., Petrasso, R. D.

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Structure and dynamics of colliding plasma jets by Li, C K, Ryutov, D D, Hu, S X, Rosenberg, M J, Zylstra, A B, Séguin, F H, Frenje, J A, Casey, D T, Johnson, M Gatu, Manuel, M J-E, Rinderknecht, H G, Petrasso, R D, Amendt, P A, Park, H S, Remington, B A, Wilks, S C, Betti, R, Froula, D H, Knauer, J P, Meyerhofer, D D, Drake, R P, Kuranz, C C, Young, R, Koenig, M

“…Monoenergetic-proton radiographs of laser-generated, high-Mach-number plasma jets colliding at various angles shed light on the structures and dynamics of…”
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Observation of strong electromagnetic fields around laser-entrance holes of ignition-scale hohlraums in inertial-confinement fusion experiments at the National Ignition Facility by Li, C K, Zylstra, A B, Frenje, J A, Séguin, F H, Sinenian, N, Petrasso, R D, Amendt, P A, Bionta, R, Friedrich, S, Collins, G W, Dewald, E, Döppner, T, Glenzer, S H, Hicks, D G, Landen, O L, Kilkenny, J D, Mackinnon, A J, Meezan, N, Ralph, J, Rygg, J R, Kline, J, Kyrala, G

“…Energy spectra and spectrally resolved one-dimensional fluence images of self-emitted charged-fusion products (14.7 MeV D3He protons) are routinely measured…”
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Mapping return currents in laser-generated Z-pinch plasmas using proton deflectometry by Manuel, M. J.-E., Sinenian, N., Séguin, F. H., Li, C. K., Frenje, J. A., Rinderknecht, H. G., Casey, D. T., Zylstra, A. B., Petrasso, R. D., Beg, F. N.

“…Dynamic return currents and electromagnetic field structure in laser-generated Z-pinch plasmas have been measured using proton deflectometry. Experiments were…”
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Time-dependent nuclear measurements of mix in inertial confinement fusion by Rygg, J R, Frenje, J A, Li, C K, Séguin, F H, Petrasso, R D, Glebov, V Yu, Meyerhofer, D D, Sangster, T C, Stoeckl, C

“…The first time-dependent nuclear measurements of turbulent mix in inertial confinement fusion have been obtained. Implosions of spherical deuterated-plastic…”
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Effects of nonuniform illumination on implosion asymmetry in direct-drive inertial confinement fusion by Li, C K, Séguin, F H, Frenje, J A, Petrasso, R D, Delettrez, J A, McKenty, P W, Sangster, T C, Keck, R L, Soures, J M, Marshall, F J, Meyerhofer, D D, Goncharov, V N, Knauer, J P, Radha, P B, Regan, S P, Seka, W

“…Target areal density (rhoR) asymmetries in OMEGA direct-drive spherical implosions are studied. The rms variation / for low-mode-number structure is…”
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T–T Neutron Spectrum from Inertial Confinement Implosions by Bacher, A. D., Casey, D. T., Frenje, J. A., Gatu Johnson, M. J., Manuel, M., Sinenian, N., Zylstra, A. B., Séguin, F. H., Li, C. K., Petrasso, R. D., Glebov, V. Yu, Radha, P. B., Meyerhofer, D. D., Sangster, T. C., McNabb, D. P., Amendt, P. A., Boyd, R. N., Caggiano, J. A., Hatchett, S. P., Pino, J. E., Quaglioni, S., Rygg, J. R., Thompson, I. J., Herrmann, H. W., Kim, Y. H.

“…A new technique that uses inertial confinement implosions for measuring low-energy nuclear reactions important to nuclear astrophysics is described…”
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Collisionless Shocks Driven by Supersonic Plasma Flows with Self-Generated Magnetic Fields by Li, C K, Tikhonchuk, V T, Moreno, Q, Sio, H, D'Humières, E, Ribeyre, X, Korneev, Ph, Atzeni, S, Betti, R, Birkel, A, Campbell, E M, Follett, R K, Frenje, J A, Hu, S X, Koenig, M, Sakawa, Y, Sangster, T C, Seguin, F H, Takabe, H, Zhang, S, Petrasso, R D

“…Collisionless shocks are ubiquitous in the Universe as a consequence of supersonic plasma flows sweeping through interstellar and intergalactic media. These…”
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Observation of megagauss-field topology changes due to magnetic reconnection in laser-produced plasmas by Li, C K, Séguin, F H, Frenje, J A, Rygg, J R, Petrasso, R D, Town, R P J, Landen, O L, Knauer, J P, Smalyuk, V A

“…The spatial structure and temporal evolution of megagauss magnetic fields generated by interactions of up to 4 laser beams with matter were studied with an…”
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