Hot-spot mix in ignition-scale inertial confinement fusion targets
Abstract
Mixing of plastic ablator material, doped with Cu and Ge dopants, deep into the hot spot of ignition-scale inertial confinement fusion implosions by hydrodynamic instabilities is diagnosed with x-ray spectroscopy on the National Ignition Facility. The amount of hot-spot mix mass is determined from the absolute brightness of the emergent Cu and Ge K-shell emission. The Cu and Ge dopants placed at different radial locations in the plastic ablator show the ablation-front hydrodynamic instability is primarily responsible for hot-spot mix. As a result, low neutron yields and hot-spot mix mass between 34(–13,+50) ng and 4000(–2970,+17 160) ng are observed.
- Authors:
-
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- Univ. of Rochester, Rochester, NY (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Prism Computational Sciences, Madison, WI (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); General Atomics, San Diego, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of Nevada, Reno, NV (United States)
- General Atomics, San Diego, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1343011
- Alternate Identifier(s):
- OSTI ID: 1104275
- Report Number(s):
- LLNL-JRNL-516115
Journal ID: ISSN 0031-9007; PRLTAO
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 111; Journal Issue: 4; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 70 PLASMA PHYSICS AND FUSION
Citation Formats
Regan, S. P., Epstein, R., Hammel, B. A., Suter, L. J., Scott, H. A., Barrios, M. A., Bradley, D. K., Callahan, D. A., Cerjan, C., Collins, G. W., Dixit, S. N., Doppner, T., Edwards, M. J., Farley, D. R., Fournier, K. B., Glenn, S., Glenzer, S. H., Golovkin, I. E., Haan, S. W., Hamza, A., Hicks, D. G., Izumi, N., Jones, O. S., Kilkenny, J. D., Kline, J. L., Kyrala, G. A., Landen, O. L., Ma, T., MacFarlane, J. J., MacKinnon, A. J., Mancini, R. C., McCrory, R. L., Meezan, N. B., Meyerhofer, D. D., Nikroo, A., Park, H. -S., Ralph, J., Remington, B. A., Sangster, T. C., Smalyuk, V. A., Springer, P. T., and Town, R. P. J.. Hot-spot mix in ignition-scale inertial confinement fusion targets. United States: N. p., 2013.
Web. doi:10.1103/PhysRevLett.111.045001.
Regan, S. P., Epstein, R., Hammel, B. A., Suter, L. J., Scott, H. A., Barrios, M. A., Bradley, D. K., Callahan, D. A., Cerjan, C., Collins, G. W., Dixit, S. N., Doppner, T., Edwards, M. J., Farley, D. R., Fournier, K. B., Glenn, S., Glenzer, S. H., Golovkin, I. E., Haan, S. W., Hamza, A., Hicks, D. G., Izumi, N., Jones, O. S., Kilkenny, J. D., Kline, J. L., Kyrala, G. A., Landen, O. L., Ma, T., MacFarlane, J. J., MacKinnon, A. J., Mancini, R. C., McCrory, R. L., Meezan, N. B., Meyerhofer, D. D., Nikroo, A., Park, H. -S., Ralph, J., Remington, B. A., Sangster, T. C., Smalyuk, V. A., Springer, P. T., & Town, R. P. J.. Hot-spot mix in ignition-scale inertial confinement fusion targets. United States. https://doi.org/10.1103/PhysRevLett.111.045001
Regan, S. P., Epstein, R., Hammel, B. A., Suter, L. J., Scott, H. A., Barrios, M. A., Bradley, D. K., Callahan, D. A., Cerjan, C., Collins, G. W., Dixit, S. N., Doppner, T., Edwards, M. J., Farley, D. R., Fournier, K. B., Glenn, S., Glenzer, S. H., Golovkin, I. E., Haan, S. W., Hamza, A., Hicks, D. G., Izumi, N., Jones, O. S., Kilkenny, J. D., Kline, J. L., Kyrala, G. A., Landen, O. L., Ma, T., MacFarlane, J. J., MacKinnon, A. J., Mancini, R. C., McCrory, R. L., Meezan, N. B., Meyerhofer, D. D., Nikroo, A., Park, H. -S., Ralph, J., Remington, B. A., Sangster, T. C., Smalyuk, V. A., Springer, P. T., and Town, R. P. J.. Mon .
"Hot-spot mix in ignition-scale inertial confinement fusion targets". United States. https://doi.org/10.1103/PhysRevLett.111.045001. https://www.osti.gov/servlets/purl/1343011.
@article{osti_1343011,
title = {Hot-spot mix in ignition-scale inertial confinement fusion targets},
author = {Regan, S. P. and Epstein, R. and Hammel, B. A. and Suter, L. J. and Scott, H. A. and Barrios, M. A. and Bradley, D. K. and Callahan, D. A. and Cerjan, C. and Collins, G. W. and Dixit, S. N. and Doppner, T. and Edwards, M. J. and Farley, D. R. and Fournier, K. B. and Glenn, S. and Glenzer, S. H. and Golovkin, I. E. and Haan, S. W. and Hamza, A. and Hicks, D. G. and Izumi, N. and Jones, O. S. and Kilkenny, J. D. and Kline, J. L. and Kyrala, G. A. and Landen, O. L. and Ma, T. and MacFarlane, J. J. and MacKinnon, A. J. and Mancini, R. C. and McCrory, R. L. and Meezan, N. B. and Meyerhofer, D. D. and Nikroo, A. and Park, H. -S. and Ralph, J. and Remington, B. A. and Sangster, T. C. and Smalyuk, V. A. and Springer, P. T. and Town, R. P. J.},
abstractNote = {Mixing of plastic ablator material, doped with Cu and Ge dopants, deep into the hot spot of ignition-scale inertial confinement fusion implosions by hydrodynamic instabilities is diagnosed with x-ray spectroscopy on the National Ignition Facility. The amount of hot-spot mix mass is determined from the absolute brightness of the emergent Cu and Ge K-shell emission. The Cu and Ge dopants placed at different radial locations in the plastic ablator show the ablation-front hydrodynamic instability is primarily responsible for hot-spot mix. As a result, low neutron yields and hot-spot mix mass between 34(–13,+50) ng and 4000(–2970,+17 160) ng are observed.},
doi = {10.1103/PhysRevLett.111.045001},
journal = {Physical Review Letters},
number = 4,
volume = 111,
place = {United States},
year = {Mon Jul 22 00:00:00 EDT 2013},
month = {Mon Jul 22 00:00:00 EDT 2013}
}
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