First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions

Forrest, C. J.; Radha, P. B.; Knauer, J. P.; Glebov, V. Yu.; Goncharov, V. N.; Regan, S. P.; Rosenberg, M. J.; Sangster, T. C.; Shmayda, W. T.; Stoeckl, C.; Gatu Johnson, M.

doi:10.1103/PhysRevLett.118.095002

Title: First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions

Abstract

In this study, the deuterium-tritium (D-T) and deuterium-deuterium neutron yield ratio in cryogenic inertial confinement fusion (ICF) experiments is used to examine multifluid effects, traditionally not included in ICF modeling. This ratio has been measured for ignition-scalable direct-drive cryogenic DT implosions at the Omega Laser Facility using a high-dynamic-range neutron time-of-flight spectrometer. The experimentally inferred yield ratio is consistent with both the calculated values of the nuclear reaction rates and the measured preshot target-fuel composition. These observations indicate that the physical mechanisms that have been proposed to alter the fuel composition, such as species separation of the hydrogen isotopes, are not significant during the period of peak neutron production in ignition-scalable cryogenic direct-drive DT implosions.

Authors:

Forrest, C. J. ^[1]; Radha, P. B. ^[1]; Knauer, J. P. ^[1]; Glebov, V. Yu. ^[1]; Goncharov, V. N. ^[1]; Regan, S. P. ^[1]; Rosenberg, M. J. ^[1]; Sangster, T. C. ^[1]; Shmayda, W. T. ^[1]; Stoeckl, C. ^[1]; Gatu Johnson, M. ^[2]

Univ. of Rochester, Rochester, NY (United States)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

Publication Date:: Fri Mar 03 00:00:00 EST 2017

Research Org.:: Univ. of Rochester, NY (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA)

Contributing Org.:: Laboratory for Laser Energetics, University of Rochester, Rochester, NY

OSTI Identifier:: 1347567

Alternate Identifier(s):: OSTI ID: 1345693

Report Number(s):: 2016-201; 1324
Journal ID: ISSN 0031-9007; PRLTAO; 2016-201; 1324; 2279; TRN: US1700654

Grant/Contract Number:: NA0001944

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 118; Journal Issue: 9; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY

Citation Formats


                    Forrest, C. J., Radha, P. B., Knauer, J. P., Glebov, V. Yu., Goncharov, V. N., Regan, S. P., Rosenberg, M. J., Sangster, T. C., Shmayda, W. T., Stoeckl, C., and Gatu Johnson, M. First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions.  United States: N. p., 2017. 
Web.  doi:10.1103/PhysRevLett.118.095002.

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                    Forrest, C. J., Radha, P. B., Knauer, J. P., Glebov, V. Yu., Goncharov, V. N., Regan, S. P., Rosenberg, M. J., Sangster, T. C., Shmayda, W. T., Stoeckl, C., & Gatu Johnson, M. First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions.  United States.  https://doi.org/10.1103/PhysRevLett.118.095002

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                    Forrest, C. J., Radha, P. B., Knauer, J. P., Glebov, V. Yu., Goncharov, V. N., Regan, S. P., Rosenberg, M. J., Sangster, T. C., Shmayda, W. T., Stoeckl, C., and Gatu Johnson, M. Fri .  
"First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions".  United States.  https://doi.org/10.1103/PhysRevLett.118.095002.  https://www.osti.gov/servlets/purl/1347567.

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@article{osti_1347567,

  title        = {First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions},

  author       = {Forrest, C. J. and Radha, P. B. and Knauer, J. P. and Glebov, V. Yu. and Goncharov, V. N. and Regan, S. P. and Rosenberg, M. J. and Sangster, T. C. and Shmayda, W. T. and Stoeckl, C. and Gatu Johnson, M.},

  abstractNote = {In this study, the deuterium-tritium (D-T) and deuterium-deuterium neutron yield ratio in cryogenic inertial confinement fusion (ICF) experiments is used to examine multifluid effects, traditionally not included in ICF modeling. This ratio has been measured for ignition-scalable direct-drive cryogenic DT implosions at the Omega Laser Facility using a high-dynamic-range neutron time-of-flight spectrometer. The experimentally inferred yield ratio is consistent with both the calculated values of the nuclear reaction rates and the measured preshot target-fuel composition. These observations indicate that the physical mechanisms that have been proposed to alter the fuel composition, such as species separation of the hydrogen isotopes, are not significant during the period of peak neutron production in ignition-scalable cryogenic direct-drive DT implosions.},

  doi          = {10.1103/PhysRevLett.118.095002},

  journal      = {Physical Review Letters},

  number       = 9,

  volume       = 118,

  place        = {United States},

  year         = {Fri Mar 03 00:00:00 EST 2017},

  month        = {Fri Mar 03 00:00:00 EST 2017}

}

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Works referenced in this record:

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Works referencing / citing this record:

Interpreting the electron temperature inferred from x-ray continuum emission for direct-drive inertial confinement fusion implosions on OMEGA
journal, August 2019

Cao, D.; Shah, R. C.; Regan, S. P.
Physics of Plasmas, Vol. 26, Issue 8
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Kinetic physics in ICF: present understanding and future directions
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Rinderknecht, Hans G.; Amendt, P. A.; Wilks, S. C.
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Spectral composition of thermonuclear particle and recoil nuclear emissions from laser fusion targets intended for modern ignition experiments
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First Octahedral Spherical Hohlraum Energetics Experiment at the SGIII Laser Facility
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Huo, Wen Yi; Li, Zhichao; Chen, Yao-Hua
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Title: First measurements of deuterium-tritium and deuterium-deuterium fusion reaction yields in ignition-scalable direct-drive implosions

Abstract

Citation Formats

Thermo-diffusion in inertially confined plasmas journal, April 2014

The Laboratory for Laser Energetics’ Hydrogen Isotope Separation System journal, November 2016

Hydrodynamic relations for direct-drive fast-ignition and conventional inertial confinement fusion implosions journal, July 2007

Evidence for Stratification of Deuterium-Tritium Fuel in Inertial Confinement Fusion Implosions journal, February 2012

High-dynamic-range neutron time-of-flight detector used to infer the D(t,n)4He and D(d,n)3He reaction yield and ion temperature on OMEGA journal, August 2016

Relativistic calculation of fusion product spectra for thermonuclear plasmas journal, November 1998

Effects of local defect growth in direct-drive cryogenic implosions on OMEGA journal, August 2013

Crossed-beam energy transfer in direct-drive implosions journal, May 2012

Early stage of implosion in inertial confinement fusion: Shock timing and perturbation evolution journal, January 2006

Improving the hot-spot pressure and demonstrating ignition hydrodynamic equivalence in cryogenic deuterium–tritium implosions on OMEGA journal, May 2014

Absolute calibration method for laser megajoule neutron yield measurement by activation diagnostics journal, July 2011

The effect of turbulent kinetic energy on inferred ion temperature from neutron spectra journal, July 2014

Burn Characteristics of Marginal Deuterium-Tritium Microspheres journal, November 1974

Improved formulas for fusion cross-sections and thermal reactivities journal, April 1992

Effect of laser illumination nonuniformity on the analysis of time-resolved x-ray measurements in uv spherical transport experiments journal, October 1987

Ion Thermal Decoupling and Species Separation in Shock-Driven Implosions journal, January 2015

Investigation of ion kinetic effects in direct-drive exploding-pusher implosions at the NIF journal, December 2014

Plasma Barodiffusion in Inertial-Confinement-Fusion Implosions: Application to Observed Yield Anomalies in Thermonuclear Fuel Mixtures journal, September 2010

The National Ignition Facility neutron time-of-flight system and its initial performance (invited) journal, October 2010

Demonstration of Fuel Hot-Spot Pressure in Excess of 50 Gbar for Direct-Drive, Layered Deuterium-Tritium Implosions on OMEGA journal, July 2016

Two-dimensional simulations of the neutron yield in cryogenic deuterium-tritium implosions on OMEGA journal, October 2010

Three-dimensional modeling of direct-drive cryogenic implosions on OMEGA journal, May 2016

High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited) journal, October 2012

Measurements of the Differential Cross Sections for the Elastic n − H 3 and n − H 2 Scattering at 14.1 MeV by Using an Inertial Confinement Fusion Facility journal, September 2011

Fusion neutron energies and spectra journal, July 1973

Interpreting the electron temperature inferred from x-ray continuum emission for direct-drive inertial confinement fusion implosions on OMEGA journal, August 2019

Kinetic physics in ICF: present understanding and future directions journal, April 2018

Spectral composition of thermonuclear particle and recoil nuclear emissions from laser fusion targets intended for modern ignition experiments journal, June 2018

The National Direct-Drive Inertial Confinement Fusion Program journal, December 2018

First Octahedral Spherical Hohlraum Energetics Experiment at the SGIII Laser Facility journal, April 2018

Thermo-diffusion in inertially confined plasmas
journal, April 2014

The Laboratory for Laser Energetics’ Hydrogen Isotope Separation System
journal, November 2016

Hydrodynamic relations for direct-drive fast-ignition and conventional inertial confinement fusion implosions
journal, July 2007

Evidence for Stratification of Deuterium-Tritium Fuel in Inertial Confinement Fusion Implosions
journal, February 2012

High-dynamic-range neutron time-of-flight detector used to infer the D(t,n)4He and D(d,n)3He reaction yield and ion temperature on OMEGA
journal, August 2016

Relativistic calculation of fusion product spectra for thermonuclear plasmas
journal, November 1998

Effects of local defect growth in direct-drive cryogenic implosions on OMEGA
journal, August 2013

Crossed-beam energy transfer in direct-drive implosions
journal, May 2012

Early stage of implosion in inertial confinement fusion: Shock timing and perturbation evolution
journal, January 2006

Improving the hot-spot pressure and demonstrating ignition hydrodynamic equivalence in cryogenic deuterium–tritium implosions on OMEGA
journal, May 2014

Absolute calibration method for laser megajoule neutron yield measurement by activation diagnostics
journal, July 2011

The effect of turbulent kinetic energy on inferred ion temperature from neutron spectra
journal, July 2014

Burn Characteristics of Marginal Deuterium-Tritium Microspheres
journal, November 1974

Improved formulas for fusion cross-sections and thermal reactivities
journal, April 1992

Effect of laser illumination nonuniformity on the analysis of time-resolved x-ray measurements in uv spherical transport experiments
journal, October 1987

Ion Thermal Decoupling and Species Separation in Shock-Driven Implosions
journal, January 2015

Investigation of ion kinetic effects in direct-drive exploding-pusher implosions at the NIF
journal, December 2014

Plasma Barodiffusion in Inertial-Confinement-Fusion Implosions: Application to Observed Yield Anomalies in Thermonuclear Fuel Mixtures
journal, September 2010

The National Ignition Facility neutron time-of-flight system and its initial performance (invited)
journal, October 2010

Demonstration of Fuel Hot-Spot Pressure in Excess of 50 Gbar for Direct-Drive, Layered Deuterium-Tritium Implosions on OMEGA
journal, July 2016

Two-dimensional simulations of the neutron yield in cryogenic deuterium-tritium implosions on OMEGA
journal, October 2010

Three-dimensional modeling of direct-drive cryogenic implosions on OMEGA
journal, May 2016

High-resolution spectroscopy used to measure inertial confinement fusion neutron spectra on Omega (invited)
journal, October 2012

Measurements of the Differential Cross Sections for the Elastic $n − {}^{3}H$ and $n − {}^{2}H$ Scattering at 14.1 MeV by Using an Inertial Confinement Fusion Facility
journal, September 2011

Fusion neutron energies and spectra
journal, July 1973

Interpreting the electron temperature inferred from x-ray continuum emission for direct-drive inertial confinement fusion implosions on OMEGA
journal, August 2019

Kinetic physics in ICF: present understanding and future directions
journal, April 2018

Spectral composition of thermonuclear particle and recoil nuclear emissions from laser fusion targets intended for modern ignition experiments
journal, June 2018

The National Direct-Drive Inertial Confinement Fusion Program
journal, December 2018

First Octahedral Spherical Hohlraum Energetics Experiment at the SGIII Laser Facility
journal, April 2018