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American Nuclear Society response to Science article, “The weapons potential of high-assay low-enriched uranium” by Kemp et al.
September 3, 2024
Dr. Holden Thorp
Editor-in-Chief, Science
Subject: Science magazine Policy Forum article “The weapons potential of high-assay low-enriched uranium” published June 2024
Dear Dr. Thorp:
The American Nuclear Society—a professional nuclear science and technology society representing more than 10,000 members worldwide—writes this open letter to address concerns regarding Science magazine’s June 2024 Policy Forum article, entitled “The weapons potential of high-assay low-enriched uranium” by R. Scott Kemp, Edwin S. Lyman, Mark R. Deinert, Richard L. Garwin, and Frank N. von Hippel.
The article describes the potential misuse of high-assay low-enriched uranium (HALEU)1. We acknowledge the importance of this discussion and the necessity of continually evaluating the proliferation risks associated with nuclear materials. However, after extensive technical review of the article by members and officers of the ANS Fuel Cycle and Waste Management Division and the ANS Nuclear Nonproliferation Policy Division, we remain unconvinced of the positions advocated by the authors.
F. Lamy, Y. Voisin, A. Diou, M. Martin, L. Jeannot, G. Pascal, C. Hermerel
Fusion Science and Technology | Volume 48 | Number 3 | November 2005 | Pages 1307-1319
Technical Paper | doi.org/10.13182/FST05-A1080
Articles are hosted by Taylor and Francis Online.
A numerical model is presented in order to modelize the bright ring that appears in backlit optical shadowgraphy on a transparent hollow sphere with a solid deuterium-tritium layer inside. This novel model is based on computational calculations applied to the problem of the targets used in inertial confinement fusion.The model takes into account the influences of the optical imaging system (numerical aperture, source divergence, camera resolution, etc.) and the effect of the capsule itself, diameter, thickness, and refractive index, and allows one to analyze the inner surface of a capsule in terms of thickness and roughness.