Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion

C. K. Li; F. H. Séguin; J. R. Rygg; J. A. Frenje; M. Manuel; R. D. Petrasso; R. Betti; J. Delettrez; J. P. Knauer; F. Marshall; D. D. Meyerhofer; D. Shvarts; V. A. Smalyuk; C. Stoeckl; O. L. Landen; R. P.J. Town; C. A. Back; J. D. Kilkenny

doi:10.1103/PhysRevLett.100.225001

Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion

C. K. Li, F. H. Séguin, J. R. Rygg, J. A. Frenje, M. Manuel, R. D. Petrasso, R. Betti, J. Delettrez, J. P. Knauer, F. Marshall, D. D. Meyerhofer, D. Shvarts, V. A. Smalyuk, C. Stoeckl, O. L. Landen, R. P.J. Town, C. A. Back, J. D. Kilkenny

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion. Images obtained during acceleration, coasting, deceleration, and stagnation display a comprehensive picture of spherical implosions. Critical information inferred from such images, hitherto unavailable, characterizes the spatial structure and temporal evolution of self-generated fields and plasma areal density. Results include the first observation of a radial electric field inside the imploding capsule. It is initially directed inward (at ∼109V/m), eventually reverses direction (∼108V/m), and is the probable consequence of the evolution of the electron pressure gradient.

Original language	English
Article number	225001
Journal	Physical Review Letters
Volume	100
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.100.225001
State	Published - 2 Jun 2008

ASJC Scopus subject areas

Physics and Astronomy (all)

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Li, C. K., Séguin, F. H., Rygg, J. R., Frenje, J. A., Manuel, M., Petrasso, R. D., Betti, R., Delettrez, J., Knauer, J. P., Marshall, F., Meyerhofer, D. D., Shvarts, D., Smalyuk, V. A., Stoeckl, C., Landen, O. L., Town, R. P. J., Back, C. A., & Kilkenny, J. D. (2008). Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion. Physical Review Letters, 100(22), Article 225001. https://doi.org/10.1103/PhysRevLett.100.225001

@article{38e0ecb765f94dc0ab753458f010a9ea,

title = "Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion",

abstract = "Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion. Images obtained during acceleration, coasting, deceleration, and stagnation display a comprehensive picture of spherical implosions. Critical information inferred from such images, hitherto unavailable, characterizes the spatial structure and temporal evolution of self-generated fields and plasma areal density. Results include the first observation of a radial electric field inside the imploding capsule. It is initially directed inward (at ∼109V/m), eventually reverses direction (∼108V/m), and is the probable consequence of the evolution of the electron pressure gradient.",

author = "Li, {C. K.} and S{\'e}guin, {F. H.} and Rygg, {J. R.} and Frenje, {J. A.} and M. Manuel and Petrasso, {R. D.} and R. Betti and J. Delettrez and Knauer, {J. P.} and F. Marshall and Meyerhofer, {D. D.} and D. Shvarts and Smalyuk, {V. A.} and C. Stoeckl and Landen, {O. L.} and Town, {R. P.J.} and Back, {C. A.} and Kilkenny, {J. D.}",

year = "2008",

month = jun,

day = "2",

doi = "10.1103/PhysRevLett.100.225001",

language = "English",

volume = "100",

journal = "Physical Review Letters",

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Li, CK, Séguin, FH, Rygg, JR, Frenje, JA, Manuel, M, Petrasso, RD, Betti, R, Delettrez, J, Knauer, JP, Marshall, F, Meyerhofer, DD, Shvarts, D, Smalyuk, VA, Stoeckl, C, Landen, OL, Town, RPJ, Back, CA & Kilkenny, JD 2008, 'Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion', Physical Review Letters, vol. 100, no. 22, 225001. https://doi.org/10.1103/PhysRevLett.100.225001

TY - JOUR

T1 - Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion

AU - Li, C. K.

AU - Séguin, F. H.

AU - Rygg, J. R.

AU - Frenje, J. A.

AU - Manuel, M.

AU - Petrasso, R. D.

AU - Betti, R.

AU - Delettrez, J.

AU - Knauer, J. P.

AU - Marshall, F.

AU - Meyerhofer, D. D.

AU - Shvarts, D.

AU - Smalyuk, V. A.

AU - Stoeckl, C.

AU - Landen, O. L.

AU - Town, R. P.J.

AU - Back, C. A.

AU - Kilkenny, J. D.

PY - 2008/6/2

Y1 - 2008/6/2

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AB - Time-gated, monoenergetic radiography with 15-MeV protons provides unique measurements of implosion dynamics in direct-drive inertial-confinement fusion. Images obtained during acceleration, coasting, deceleration, and stagnation display a comprehensive picture of spherical implosions. Critical information inferred from such images, hitherto unavailable, characterizes the spatial structure and temporal evolution of self-generated fields and plasma areal density. Results include the first observation of a radial electric field inside the imploding capsule. It is initially directed inward (at ∼109V/m), eventually reverses direction (∼108V/m), and is the probable consequence of the evolution of the electron pressure gradient.

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Monoenergetic-proton-radiography measurements of implosion dynamics in direct-drive inertial-confinement fusion

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