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Title: Demonstration of fuel hot-spot pressure in excess of 50 Gbar for direct-drive, layered deuterium-tritium implosions on OMEGA

Abstract

A record fuel hot-spot pressure P hs = 56±7 Gbar was inferred from x-ray and nuclear diagnostics for direct-drive inertial confinement fusion cryogenic, layered deuterium–tritium implosions on the 60-beam, 30-kJ, 351-nm OMEGA Laser System. When hydrodynamically scaled to the energy of the National Ignition Facility (NIF), these implosions achieved a Lawson parameter ~60% of the value required for ignition [A. Bose et al., Phys. Rev. E (in press)], similar to indirect-drive implosions [R. Betti et al., Phys. Rev. Lett. 114, 255003 (2015)], and nearly half of the direct-drive ignition-threshold pressure. Relative to symmetric, one-dimensional simulations, the inferred hot-spot pressure is ~40% lower. Furthermore, three-dimensional simulations suggest that low-mode distortion of the hot spot seeded by laser-drive nonuniformity and target-positioning error reduces target performance.

Authors:
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  1. Univ. of Rochester, Rochester, NY (United States)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  3. Naval Research Lab., Washington, D.C. (United States)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Univ. of Rochester, Rochester, NY (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1264250
Alternate Identifier(s):
OSTI ID: 1260865
Grant/Contract Number:  
NA0001944
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 117; Journal Issue: 2; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Regan, S. P., Goncharov, V. N., Igumenshchev, I. V., Sangster, T. C., Betti, R., Bose, A., Boehly, T. R., Bonino, M. J., Campbell, E. M., Cao, D., Collins, T. J. B., Craxton, R. S., Davis, A. K., Delettrez, J. A., Edgell, D. H., Epstein, R., Forrest, C. J., Frenje, J. A., Froula, D. H., Gatu Johnson, M., Glebov, V. Yu., Harding, D. R., Hohenberger, M., Hu, S. X., Jacobs-Perkins, D., Janezic, R., Karasik, M., Keck, R. L., Kelly, J. H., Kessler, T. J., Knauer, J. P., Kosc, T. Z., Loucks, S. J., Marozas, J. A., Marshall, F. J., McCrory, R. L., McKenty, P. W., Meyerhofer, D. D., Michel, D. T., Myatt, J. F., Obenschain, S. P., Petrasso, R. D., Radha, P. B., Rice, B., Rosenberg, M. J., Schmitt, A. J., Schmitt, M. J., Seka, W., Shmayda, W. T., Shoup, III, M. J., Shvydky, A., Skupsky, S., Solodov, A. A., Stoeckl, C., Theobald, W., Ulreich, J., Wittman, M. D., Woo, K. M., Yaakobi, B., and Zuegel, J. D. Demonstration of fuel hot-spot pressure in excess of 50 Gbar for direct-drive, layered deuterium-tritium implosions on OMEGA. United States: N. p., 2016. Web. doi:10.1103/PhysRevLett.117.025001.
Regan, S. P., Goncharov, V. N., Igumenshchev, I. V., Sangster, T. C., Betti, R., Bose, A., Boehly, T. R., Bonino, M. J., Campbell, E. M., Cao, D., Collins, T. J. B., Craxton, R. S., Davis, A. K., Delettrez, J. A., Edgell, D. H., Epstein, R., Forrest, C. J., Frenje, J. A., Froula, D. H., Gatu Johnson, M., Glebov, V. Yu., Harding, D. R., Hohenberger, M., Hu, S. X., Jacobs-Perkins, D., Janezic, R., Karasik, M., Keck, R. L., Kelly, J. H., Kessler, T. J., Knauer, J. P., Kosc, T. Z., Loucks, S. J., Marozas, J. A., Marshall, F. J., McCrory, R. L., McKenty, P. W., Meyerhofer, D. D., Michel, D. T., Myatt, J. F., Obenschain, S. P., Petrasso, R. D., Radha, P. B., Rice, B., Rosenberg, M. J., Schmitt, A. J., Schmitt, M. J., Seka, W., Shmayda, W. T., Shoup, III, M. J., Shvydky, A., Skupsky, S., Solodov, A. A., Stoeckl, C., Theobald, W., Ulreich, J., Wittman, M. D., Woo, K. M., Yaakobi, B., & Zuegel, J. D. Demonstration of fuel hot-spot pressure in excess of 50 Gbar for direct-drive, layered deuterium-tritium implosions on OMEGA. United States. doi:10.1103/PhysRevLett.117.025001.
Regan, S. P., Goncharov, V. N., Igumenshchev, I. V., Sangster, T. C., Betti, R., Bose, A., Boehly, T. R., Bonino, M. J., Campbell, E. M., Cao, D., Collins, T. J. B., Craxton, R. S., Davis, A. K., Delettrez, J. A., Edgell, D. H., Epstein, R., Forrest, C. J., Frenje, J. A., Froula, D. H., Gatu Johnson, M., Glebov, V. Yu., Harding, D. R., Hohenberger, M., Hu, S. X., Jacobs-Perkins, D., Janezic, R., Karasik, M., Keck, R. L., Kelly, J. H., Kessler, T. J., Knauer, J. P., Kosc, T. Z., Loucks, S. J., Marozas, J. A., Marshall, F. J., McCrory, R. L., McKenty, P. W., Meyerhofer, D. D., Michel, D. T., Myatt, J. F., Obenschain, S. P., Petrasso, R. D., Radha, P. B., Rice, B., Rosenberg, M. J., Schmitt, A. J., Schmitt, M. J., Seka, W., Shmayda, W. T., Shoup, III, M. J., Shvydky, A., Skupsky, S., Solodov, A. A., Stoeckl, C., Theobald, W., Ulreich, J., Wittman, M. D., Woo, K. M., Yaakobi, B., and Zuegel, J. D. Thu . "Demonstration of fuel hot-spot pressure in excess of 50 Gbar for direct-drive, layered deuterium-tritium implosions on OMEGA". United States. doi:10.1103/PhysRevLett.117.025001. https://www.osti.gov/servlets/purl/1264250.
@article{osti_1264250,
title = {Demonstration of fuel hot-spot pressure in excess of 50 Gbar for direct-drive, layered deuterium-tritium implosions on OMEGA},
author = {Regan, S. P. and Goncharov, V. N. and Igumenshchev, I. V. and Sangster, T. C. and Betti, R. and Bose, A. and Boehly, T. R. and Bonino, M. J. and Campbell, E. M. and Cao, D. and Collins, T. J. B. and Craxton, R. S. and Davis, A. K. and Delettrez, J. A. and Edgell, D. H. and Epstein, R. and Forrest, C. J. and Frenje, J. A. and Froula, D. H. and Gatu Johnson, M. and Glebov, V. Yu. and Harding, D. R. and Hohenberger, M. and Hu, S. X. and Jacobs-Perkins, D. and Janezic, R. and Karasik, M. and Keck, R. L. and Kelly, J. H. and Kessler, T. J. and Knauer, J. P. and Kosc, T. Z. and Loucks, S. J. and Marozas, J. A. and Marshall, F. J. and McCrory, R. L. and McKenty, P. W. and Meyerhofer, D. D. and Michel, D. T. and Myatt, J. F. and Obenschain, S. P. and Petrasso, R. D. and Radha, P. B. and Rice, B. and Rosenberg, M. J. and Schmitt, A. J. and Schmitt, M. J. and Seka, W. and Shmayda, W. T. and Shoup, III, M. J. and Shvydky, A. and Skupsky, S. and Solodov, A. A. and Stoeckl, C. and Theobald, W. and Ulreich, J. and Wittman, M. D. and Woo, K. M. and Yaakobi, B. and Zuegel, J. D.},
abstractNote = {A record fuel hot-spot pressure Phs = 56±7 Gbar was inferred from x-ray and nuclear diagnostics for direct-drive inertial confinement fusion cryogenic, layered deuterium–tritium implosions on the 60-beam, 30-kJ, 351-nm OMEGA Laser System. When hydrodynamically scaled to the energy of the National Ignition Facility (NIF), these implosions achieved a Lawson parameter ~60% of the value required for ignition [A. Bose et al., Phys. Rev. E (in press)], similar to indirect-drive implosions [R. Betti et al., Phys. Rev. Lett. 114, 255003 (2015)], and nearly half of the direct-drive ignition-threshold pressure. Relative to symmetric, one-dimensional simulations, the inferred hot-spot pressure is ~40% lower. Furthermore, three-dimensional simulations suggest that low-mode distortion of the hot spot seeded by laser-drive nonuniformity and target-positioning error reduces target performance.},
doi = {10.1103/PhysRevLett.117.025001},
journal = {Physical Review Letters},
number = 2,
volume = 117,
place = {United States},
year = {2016},
month = {7}
}

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