T–T Neutron Spectrum from Inertial Confinement Implosions

T–T Neutron Spectrum from Inertial Confinement Implosions

A new technique that uses inertial confinement implosions for measuring low-energy nuclear reactions important to nuclear astrophysics is described. Simultaneous measurements of n–D and n–T elastic scattering at 14.1 MeV using deuterium–tritium gas-filled capsules provide a proof of principle for th...

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Bibliographic Details
Main Authors: Quaglioni, S., Bacher, A. D., Petrasso, R. D., Glebov, V. Yu, Radha, P. B., Meyerhofer, D. D., Sangster, T. C., McNabb, D. P., Amendt, P. A., Boyd, R. N., Caggiano, J. A., Hatchett, S. P., Pino, J. E., Rygg, J. R., Thompson, I. J., Herrmann, H. W., Kim, Y. H., Casey, Daniel Thomas, Frenje, Johan A, Gatu Johnson, Maria, Manuel, Mario J.-E, Sinenian, Nareg, Zylstra, Alex Bennett, Seguin, Fredrick Hampton, Li, Chikang
Other Authors: Massachusetts Institute of Technology. Plasma Science and Fusion Center
Format: Article
Language:English
Published: Springer Vienna 2016
Online Access:http://hdl.handle.net/1721.1/104769
https://orcid.org/0000-0003-0489-7479
https://orcid.org/0000-0002-6919-4881
Description
Summary:A new technique that uses inertial confinement implosions for measuring low-energy nuclear reactions important to nuclear astrophysics is described. Simultaneous measurements of n–D and n–T elastic scattering at 14.1 MeV using deuterium–tritium gas-filled capsules provide a proof of principle for this technique. Measurements have been made of D(d,p)T (dd) and T(t,2n)[superscript 4]He (tt) reaction yields relative to the D(t,n)[superscript]He (dt) reaction yield for deuterium–tritium mixtures with fT/fD between 0.62 and 0.75 and for a wide range of ion temperatures to test our understanding of the implosion processes. Measurements of the shape of the neutron spectrum from the T(t,2n)[superscript 4]He reaction have been made for each of these target configurations.

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