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Overview of Neutron diagnostic measurements for MagLIF Experiments on the Z Accelerator

Hahn, Kelly D.; Chandler, Gordon A.; Ruiz, Carlos L.; Cooper, Gary W.; Gomez, Matthew R.; Slutz, Stephen A.; Sefkow, Adam B.; Sinars, Daniel S.; Hansen, Stephanie B.; Knapp, Patrick K.; Schmit, Paul S.; Harding, Eric H.; Jennings, Christopher A.; Awe, Thomas J.; Geissel, Matthias G.; Rovang, Dean C.; Torres, Jose A.; Bur, James A.; Cuneo, M.E.; Glebov, V.Yu.; Harvey-Thompson, Adam J.; Hess, Mark H.; Johns, Owen J.; Jones, Brent M.; Lamppa, Derek C.; Lash, Joel S.; Martin, Matthew; McBride, Ryan D.; Peterson, Kyle J.; Porter, John L.; Reneker, Joseph R.; Robertson, Grafton K.; Rochau, G.A.; Savage, Mark E.; Smith, Ian C.; Styron, Jedediah D.; Vesey, Roger A.

Abstract not provided.

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TYPE Presentation YEAR 2016
OSTI

DIAGNOSING MAGNETIZED LINER INERTIAL FUSION EXPERIMENTS USING NEUTRON DIAGNOSTICS ON THE Z ACCELERATOR

Hahn, Kelly D.; Chandler, Gordon A.; Ruiz, Carlos L.; Cooper, Gary W.; Gomez, Matthew R.; Slutz, Stephen A.; Sefkow, Adam B.; Sinars, Daniel S.; Hansen, Stephanie B.; Knapp, Patrick K.; Schmit, Paul S.; Harding, Eric H.; Jennings, Christopher A.; Awe, Thomas J.; Geissel, Matthias G.; Rovang, Dean C.; Torres, Jose A.; Bur, James A.; Cuneo, M.E.; Glebov, V.Yu.; Harvey-Thompson, Adam J.; Hess, Mark H.; Johns, Owen J.; Jones, Brent M.; Lamppa, Derek C.; Lash, Joel S.; Martin, Matthew; McBride, Ryan D.; Peterson, Kyle J.; Porter, John L.; Reneker, Joseph R.; Robertson, Grafton K.; Rochau, G.A.; Savage, Mark E.; Smith, Ian C.; Styron, Jedediah D.; Vesey, Roger A.

Abstract not provided.

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TYPE Conference Poster YEAR 2016
OSTI

Fusion-neutron measurements for magnetized liner inertial fusion experiments on the Z accelerator

Journal of Physics: Conference Series

Hahn, K.D.; Chandler, Gordon A.; Ruiz, Carlos L.; Cooper, Gary W.; Gomez, Matthew R.; Slutz, S.; Sefkow, Adam B.; Sinars, Daniel S.; Hansen, Stephanie B.; Knapp, P.F.; Schmit, Paul S.; Harding, Eric H.; Jennings, C.A.; Awe, T.J.; Geissel, Matthias G.; Rovang, Dean C.; Torres, Jose A.; Bur, J.A.; Cuneo, M.E.; Glebov, V.Y.; Harvey-Thompson, Adam J.; Herrman, M.C.; Hess, Mark H.; Johns, Owen J.; Jones, Brent M.; Lamppa, Derek C.; Lash, Joel S.; Martin, M.R.; McBride, Ryan D.; Peterson, Kyle J.; Porter, John L.; Reneker, Joseph R.; Robertson, Grafton K.; Rochau, G.A.; Savage, Mark E.; Smith, Ian C.; Styron, Jedediah D.; Vesey, Roger A.

Several magnetized liner inertial fusion (MagLIF) experiments have been conducted on the Z accelerator at Sandia National Laboratories since late 2013. Measurements of the primary DD (2.45 MeV) neutrons for these experiments suggest that the neutron production is thermonuclear. Primary DD yields up to 3e12 with ion temperatures ∼2-3 keV have been achieved. Measurements of the secondary DT (14 MeV) neutrons indicate that the fuel is significantly magnetized. Measurements of down-scattered neutrons from the beryllium liner suggest ρRliner∼1g/cm2. Neutron bang times, estimated from neutron time-of-flight (nTOF) measurements, coincide with peak x-ray production. Plans to improve and expand the Z neutron diagnostic suite include neutron burn-history diagnostics, increased sensitivity and higher precision nTOF detectors, and neutron recoil-based yield and spectral measurements.

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TYPE Journal Article YEAR 2016
ScopusOSTIDOI

SNL perspective on the nTOF workshop

Jones, Brent M.; Hahn, Kelly D.; Ruiz, Carlos L.; Chandler, Gordon A.; Fehl, David L.; Lash, Joel S.; Knapp, Patrick K.; Gomez, Matthew R.; Hansen, Stephanie B.; Harding, Eric H.; McPherson, Leroy A.; Nelson, Alan J.; Rochau, G.A.; Schmit, Paul S.; Sefkow, Adam B.; Sinars, Daniel S.; Torres, Jose A.; Bur, James A.; Cooper, Gary W.; Bonura, Michael A.; Long, Joel L.; Styron, Jedediah D.; Buckles, Rob B.; Garza, Irene G.; Moy, Kenneth J.; Davis, Brent D.; Tinsley, Jim T.; Tiangco, Rod T.; Miller, Kirk M.; Mckenna, Ian M.

Abstract not provided.

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TYPE Presentation YEAR 2016
OSTI

Neutron Diagnostics on the Z machine

Jones, Brent M.; Hahn, Kelly D.; Ruiz, Carlos L.; Chandler, Gordon A.; Fehl, David L.; Lash, Joel S.; Knapp, Patrick K.; McPherson, Leroy A.; Nelson, Alan J.; Rochau, G.A.; Schmit, Paul S.; Sefkow, Adam B.; Sinars, Daniel S.; Torres, Jose A.; Cooper, Gary W.; Bonura, Michael A.; Long, Joel L.; Styron, Jedediah D.; Davis, Brent D.; Buckles, Rob B.; Moy, Ken M.; Miller, Kirk M.; Mckenna, Ian M.

Abstract not provided.

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TYPE Presentation YEAR 2014
OSTI

Scaling and optimization of the radiation temperature in dynamic hohlraums

Physics of Plasmas

Slutz, Stephen A.; Douglas, Melissa R.; Lash, Joel S.; Vesey, Roger A.; Chandler, Gordon A.; Nash, Thomas J.; Derzon, Mark S.

The authors have constructed a quasi-analytic model of the dynamic hohlraum. Solutions only require a numerical root solve, which can be done very quickly. Results of the model are compared to both experiments and full numerical simulations with good agreement. The computational simplicity of the model allows one to find the behavior of the hohlraum temperature as a function the various parameters of the system and thus find optimum parameters as a function of the driving current. The model is used to investigate the benefits of ablative standoff and axial convergence.

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TYPE Journal Article YEAR 2000
OSTI
25 Results
25 Results