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Title: Observations of Multiple Nuclear Reaction Histories and Fuel-Ion Species Dynamics in Shock-Driven Inertial Confinement Fusion Implosions

Abstract

Fuel-ion species dynamics in DT3He-gas-filled Inertial Confinement Fusion implosion is quantitatively assessed for the first time using simultaneously measured D3He and DT reaction histories. Here, these reaction histories are measured with the Particle X-ray Temporal Diagnostic, which captures the relative timing between different nuclear burns with unprecedented precision (~10 ps). The observed 50±10 ps earlier D3He reaction history timing (relative to DT) cannot be explained by average-ion hydrodynamic simulations, and is attributed to fuel-ion species separation between the D, T, and 3He ions during shock convergence and rebound. At the onset of the shock burn, inferred 3He/T fuel ratio in the burn region using the measured reaction histories is much higher as compared to the initial gas-fill ratio. As T and 3He have the same mass but different charge, these results indicate that the charge-to-mass ratio plays an important role in driving fuel-ion species separation during strong shock propagation.

Authors:
 [1];  [1]; ORCiD logo [2];  [3]; ORCiD logo [2];  [1]; ORCiD logo [2];  [4];  [1];  [1];  [4];  [4];  [1];  [1];  [5];  [5];  [5];  [6]; ORCiD logo [2]; ORCiD logo [2] more »; ORCiD logo [2]; ORCiD logo [2];  [4];  [4];  [4];  [1];  [1] « less
+ Show Author Affiliations
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Univ. of Rome (Italy)
  4. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
  5. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  6. Univ. of Nevada, Reno, NV (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1657124
Alternate Identifier(s):
OSTI ID: 1492108; OSTI ID: 1884638
Report Number(s):
LA-UR-18-30435; LLNL-JRNL-839254
Journal ID: ISSN 0031-9007; TRN: US2203228
Grant/Contract Number:  
89233218CNA000001; NA0001857; NA0002949; DENA0002905; FC52-08NA28752; AC52-07NA27344
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 122; Journal Issue: 3; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
22 GENERAL STUDIES OF NUCLEAR REACTORS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats

Sio, Hong, Frenje, J. A., Le, Ari Yitzchak, Atzeni, S., Kwan, Thomas J. T, Gatu Johnson, M., Kagan, Grigory, Stoeckl, C., Li, C. K., Parker, C. E., Forrest, C. J., Glebov, V., Kabadi, N. V., Bose, A., Rinderknecht, H. G., Amendt, P., Casey, D. T., Mancini, R., Taitano, William, Keenan, Brett, Simakov, Andrei N., Chacon, Luis, Regan, S. P., Sangster, T. C., Campbell, E. M., Seguin, F. H., and Petrasso, R. D. Observations of Multiple Nuclear Reaction Histories and Fuel-Ion Species Dynamics in Shock-Driven Inertial Confinement Fusion Implosions. United States: N. p., 2019. Web. doi:10.1103/physrevlett.122.035001.
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Sio, Hong, Frenje, J. A., Le, Ari Yitzchak, Atzeni, S., Kwan, Thomas J. T, Gatu Johnson, M., Kagan, Grigory, Stoeckl, C., Li, C. K., Parker, C. E., Forrest, C. J., Glebov, V., Kabadi, N. V., Bose, A., Rinderknecht, H. G., Amendt, P., Casey, D. T., Mancini, R., Taitano, William, Keenan, Brett, Simakov, Andrei N., Chacon, Luis, Regan, S. P., Sangster, T. C., Campbell, E. M., Seguin, F. H., & Petrasso, R. D. Observations of Multiple Nuclear Reaction Histories and Fuel-Ion Species Dynamics in Shock-Driven Inertial Confinement Fusion Implosions. United States. https://doi.org/10.1103/physrevlett.122.035001
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Sio, Hong, Frenje, J. A., Le, Ari Yitzchak, Atzeni, S., Kwan, Thomas J. T, Gatu Johnson, M., Kagan, Grigory, Stoeckl, C., Li, C. K., Parker, C. E., Forrest, C. J., Glebov, V., Kabadi, N. V., Bose, A., Rinderknecht, H. G., Amendt, P., Casey, D. T., Mancini, R., Taitano, William, Keenan, Brett, Simakov, Andrei N., Chacon, Luis, Regan, S. P., Sangster, T. C., Campbell, E. M., Seguin, F. H., and Petrasso, R. D. Fri . "Observations of Multiple Nuclear Reaction Histories and Fuel-Ion Species Dynamics in Shock-Driven Inertial Confinement Fusion Implosions". United States. https://doi.org/10.1103/physrevlett.122.035001. https://www.osti.gov/servlets/purl/1657124.
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@article{osti_1657124,
title = {Observations of Multiple Nuclear Reaction Histories and Fuel-Ion Species Dynamics in Shock-Driven Inertial Confinement Fusion Implosions},
author = {Sio, Hong and Frenje, J. A. and Le, Ari Yitzchak and Atzeni, S. and Kwan, Thomas J. T and Gatu Johnson, M. and Kagan, Grigory and Stoeckl, C. and Li, C. K. and Parker, C. E. and Forrest, C. J. and Glebov, V. and Kabadi, N. V. and Bose, A. and Rinderknecht, H. G. and Amendt, P. and Casey, D. T. and Mancini, R. and Taitano, William and Keenan, Brett and Simakov, Andrei N. and Chacon, Luis and Regan, S. P. and Sangster, T. C. and Campbell, E. M. and Seguin, F. H. and Petrasso, R. D.},
abstractNote = {Fuel-ion species dynamics in DT3He-gas-filled Inertial Confinement Fusion implosion is quantitatively assessed for the first time using simultaneously measured D3He and DT reaction histories. Here, these reaction histories are measured with the Particle X-ray Temporal Diagnostic, which captures the relative timing between different nuclear burns with unprecedented precision (~10 ps). The observed 50±10 ps earlier D3He reaction history timing (relative to DT) cannot be explained by average-ion hydrodynamic simulations, and is attributed to fuel-ion species separation between the D, T, and 3He ions during shock convergence and rebound. At the onset of the shock burn, inferred 3He/T fuel ratio in the burn region using the measured reaction histories is much higher as compared to the initial gas-fill ratio. As T and 3He have the same mass but different charge, these results indicate that the charge-to-mass ratio plays an important role in driving fuel-ion species separation during strong shock propagation.},
doi = {10.1103/physrevlett.122.035001},
journal = {Physical Review Letters},
number = 3,
volume = 122,
place = {United States},
year = {Fri Jan 25 00:00:00 EST 2019},
month = {Fri Jan 25 00:00:00 EST 2019}
}
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https://doi.org/10.1103/physrevlett.122.035001
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    • Sio, H.; Larroche, O.; Atzeni, S.
    • Physics of Plasmas, Vol. 26, Issue 7
    • DOI: 10.1063/1.5097605

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