Zobrazeno 1 - 10
of 379
pro vyhledávání: '"R D, Petrasso"'
Autor:
C. K. Li, P. Tzeferacos, D. Lamb, G. Gregori, P. A. Norreys, M. J. Rosenberg, R. K. Follett, D. H. Froula, M. Koenig, F. H. Seguin, J. A. Frenje, H. G. Rinderknecht, H. Sio, A. B. Zylstra, R. D. Petrasso, P. A. Amendt, H. S. Park, B. A. Remington, D. D. Ryutov, S. C. Wilks, R. Betti, A. Frank, S. X. Hu, T. C. Sangster, P. Hartigan, R. P. Drake, C. C. Kuranz, S. V. Lebedev, N. C. Woolsey
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-8 (2016)
The periodical change of the Crab nebula’s jet direction challenges our understanding of astrophysical jet dynamics. Here the authors use high-power lasers to create a jet that can be directly compared to the Crab nebula’s, and report the detecti
Externí odkaz:
https://doaj.org/article/ff2c78a1bb6f48aea0cc24cab4a47592
Autor:
P. J. Adrian, R. Florido, P. E. Grabowski, R. Mancini, B. Bachmann, L. X. Benedict, M. Gatu Johnson, N. Kabadi, B. Lahmann, C. K. Li, R. D. Petrasso, H. G. Rinderknecht, S. P. Regan, F. H. Séguin, R. L. Singleton, H. Sio, G. D. Sutcliffe, H. D. Whitley, J. A. Frenje
Publikováno v:
Physical Review E. 106
We report on measurements of the ion-electron energy-transfer cross section utilizing low-velocity ion stopping in high-energy-density plasmas at the OMEGA laser facility. These measurements utilize a technique that leverages the close relationship b
Autor:
A. Bose, J. Peebles, C. A. Walsh, J. A. Frenje, N. V. Kabadi, P. J. Adrian, G. D. Sutcliffe, M. Gatu Johnson, C. A. Frank, J. R. Davies, R. Betti, V. Yu. Glebov, F. J. Marshall, S. P. Regan, C. Stoeckl, E. M. Campbell, H. Sio, J. Moody, A. Crilly, B. D. Appelbe, J. P. Chittenden, S. Atzeni, F. Barbato, A. Forte, C. K. Li, F. H. Seguin, R. D. Petrasso
Publikováno v:
Physical review letters. 128(19)
This Letter presents the first observation on how a strong, 500 kG, externally applied B field increases the mode-two asymmetry in shock-heated inertial fusion implosions. Using a direct-drive implosion with polar illumination and imposed field, we o
Autor:
M. Gatu Johnson, T. M. Johnson, R. D. Petrasso, Graeme Sutcliffe, Neel Kabadi, Fredrick Seguin, Patrick Adrian, B. L. Reichelt, Jacob Pearcy, Brandon Lahmann, Johan Frenje, A. Birkel, Justin Kunimune
Publikováno v:
The Review of scientific instruments. 92(8)
New designs and a new analysis technique have been developed for an existing compact charged-particle spectrometer on the NIF and OMEGA. The new analysis technique extends the capabilities of this diagnostic to measure arbitrarily shaped ion spectra
Autor:
P. J. Adrian, B. Bachmann, R. Betti, A. Birkel, P. V. Heuer, M. Gatu Johnson, N. V. Kabadi, J. P. Knauer, J. Kunimune, C. K. Li, O. M. Mannion, R. D. Petrasso, S. P. Regan, H. G. Rinderknecht, C. Stoeckl, F.H. Séguin, A. Sorce, R. C. Shah, G. D. Sutcliffe, J. A. Frenje
Publikováno v:
Review of Scientific Instruments. 93:113540
A system of x-ray imaging spectrometer (XRIS) has been implemented at the OMEGA Laser Facility and is capable of spatially and spectrally resolving x-ray self-emission from 5 to 40 keV. The system consists of three independent imagers with nearly ort
Autor:
P. J. Adrian, J. Armstrong, A. Birkel, C. Chang, S. Dannhoff, T. Evans, M. Gatu Johnson, T. M. Johnson, N. Kabadi, J. Kunimune, C. K. Li, B. Reichelt, S. P. Regan, J. Pearcy, R. D. Petrasso, G. Pien, M. McCluskey, F. H. Séguin, G. D. Sutcliffe, J. A. Frenje
Publikováno v:
Review of Scientific Instruments. 93:113534
Charged particle spectrometry is a critical diagnostic to study inertial-confinement-fusion plasmas and high energy density plasmas. The OMEGA Laser Facility has two fixed magnetic charged particle spectrometers (CPSs) to measure MeV-ions. In situ ca
Autor:
N. Kabadi, P. Adrian, C. Stoeckl, A. Sorce, H. W. Sio, M. Bedzyk, T. Evans, S. Ivancic, J. Katz, J. Knauer, J. Pearcy, D. Weiner, R. Betti, A. Birkel, D. Cao, M. Gatu Johnson, S. P. Regan, R. D. Petrasso, J. Frenje
Publikováno v:
Review of Scientific Instruments. 93:103538
Electron-temperature (T e) measurements in implosions provide valuable diagnostic information, as T e is negligibly affected by residual flows and other non-thermal effects unlike ion-temperature inferred from a fusion product spectrum. In OMEGA cryo
Autor:
G. D. Sutcliffe, J. A. Pearcy, T. M. Johnson, P. J. Adrian, N. V. Kabadi, B. Pollock, J. D. Moody, R. D. Petrasso, C. K. Li
Publikováno v:
Physical review. E. 105(6)
In laser-produced high-energy-density plasmas, large-scale strong magnetic fields are spontaneously generated by the Biermann battery effects when temperature and density gradients are misaligned. Saturation of the magnetic field takes place when con
Autor:
C. Shuldberg, M. Schoff, Michael Rosenberg, Chikang Li, J. J. Sanchez, L. F. Berzak Hopkins, Jacob Eriksson, David Schlossberg, Christian Stoeckl, Chad Forrest, Patrick Adrian, Johan Frenje, Owen Mannion, R. Janezic, G. Kagan, S. Fess, M. Hoppe, C. E. Parker, Raspberry Simpson, V. Yu. Glebov, Stefano Atzeni, R. D. Petrasso, Brandon Lahmann, H. Sio, M. Gatu Johnson, R.W. Luo, C. B. Yeamans, K. D. Hahn, Arijit Bose, H. G. Rinderknecht, Graeme Sutcliffe, Neel Kabadi, Fredrick Seguin
Publikováno v:
Physical Review E. 104
A series of thin glass-shell shock-driven DT gas-filled capsule implosions was conducted at the OMEGA laser facility. These experiments generate conditions relevant to the central plasma during the shock-convergence phase of ablatively driven inertia
Autor:
T M, Johnson, A, Birkel, H E, Ramirez, G D, Sutcliffe, P J, Adrian, V Yu, Glebov, H, Sio, M Gatu, Johnson, J A, Frenje, R D, Petrasso, C K, Li
Publikováno v:
The Review of scientific instruments. 92(4)
Mono-energetic proton radiography is a vital diagnostic for numerous high-energy-density-physics, inertial-confinement-fusion, and laboratory-astrophysics experiments at OMEGA. With a large number of campaigns executing hundreds of shots, general tre