R Epstein
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Explore the profile of R Epstein including associated specialties, affiliations and a list of published articles.
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Articles
210
Citations
3149
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Recent Articles
1.
Thomas C, Rosenberg M, Theobald W, Knauer J, Stoeckl C, Regan S, et al.
Phys Rev E
. 2024 Nov;
110(4-2):045203.
PMID: 39562888
This paper presents a simple physics-based model for the interpretation of key metrics in laser direct drive. The only input parameters required are target scale, in-flight aspect ratio, and beam-to-target...
2.
Abu-Shawareb H, Acree R, Adams P, Adams J, Addis B, Aden R, et al.
Phys Rev Lett
. 2024 Feb;
132(6):065102.
PMID: 38394591
On December 5, 2022, an indirect drive fusion implosion on the National Ignition Facility (NIF) achieved a target gain G_{target} of 1.5. This is the first laboratory demonstration of exceeding...
3.
Hu S, Ceurvorst L, Peebles J, Mao A, Li P, Lu Y, et al.
Phys Rev E
. 2023 Oct;
108(3-2):035209.
PMID: 37849111
Laser-direct-drive fusion target designs with solid deuterium-tritium (DT) fuel, a high-Z gradient-density pusher shell (GDPS), and a Au-coated foam layer have been investigated through both 1D and 2D radiation-hydrodynamic simulations....
4.
Solodov A, Rosenberg M, Stoeckl M, Christopherson A, Betti R, Radha P, et al.
Phys Rev E
. 2022 Dec;
106(5-2):055204.
PMID: 36559374
Target preheat by superthermal electrons from laser-plasma instabilities is a major obstacle to achieving thermonuclear ignition via direct-drive inertial confinement fusion at the National Ignition Facility (NIF). Polar-direct-drive surrogate plastic...
5.
Abu-Shawareb H, Acree R, Adams P, Adams J, Addis B, Aden R, et al.
Phys Rev Lett
. 2022 Aug;
129(7):075001.
PMID: 36018710
For more than half a century, researchers around the world have been engaged in attempts to achieve fusion ignition as a proof of principle of various fusion concepts. Following the...
6.
Shah R, Cao D, Aghaian L, Bachmann B, Betti R, Campbell E, et al.
Phys Rev E
. 2022 Aug;
106(1):L013201.
PMID: 35974626
In laser-driven implosions for laboratory fusion, the comparison of hot-spot x-ray yield to neutron production can serve to infer hot-spot mix. For high-performance direct-drive implosions, this ratio depends sensitively on...
7.
Yilmaz S, Janelsins M, Flannery M, Culakova E, Wells M, Lin P, et al.
J Geriatr Oncol
. 2022 Mar;
13(6):892-903.
PMID: 35292232
Background: Cancer survivors over the age of 65 have unique needs due to the higher prevalence of functional and cognitive impairment, comorbidities, geriatric syndromes, and greater need for social support...
8.
Lees A, Betti R, Knauer J, Gopalaswamy V, Patel D, Woo K, et al.
Phys Rev Lett
. 2021 Sep;
127(10):105001.
PMID: 34533333
Statistical modeling of experimental and simulation databases has enabled the development of an accurate predictive capability for deuterium-tritium layered cryogenic implosions at the OMEGA laser [V. Gopalaswamy et al.,Nature 565,...
9.
Christopherson A, Betti R, Forrest C, Howard J, Theobald W, Delettrez J, et al.
Phys Rev Lett
. 2021 Aug;
127(5):055001.
PMID: 34397224
Hot electrons generated by laser-plasma instabilities degrade the performance of laser-fusion implosions by preheating the DT fuel and reducing core compression. The hot-electron energy deposition in the DT fuel has...
10.
Theobald W, Sorce C, Donaldson W, Epstein R, Keck R, Kellogg C, et al.
Rev Sci Instrum
. 2020 Mar;
91(2):023505.
PMID: 32113463
A method was developed with laser-irradiated Au planar foils to characterize the focal spot of UV laser beams on a target at full energy from soft x-ray emission. A pinhole...