Zach Hartwig The Robert N. Noyce Career Development Professor and Associate Professor of Nuclear Science and Engineering Abstract: Recent advances in high field superconducting magnet technology have opened a pathway to achieving fusion energy on accelerated timescales that could enable fusion to play a role in combating global climate change. This talk will give an overview …
Vedant K. Mehta, Ph.D. R&D Engineer Abstract: Next-gen small nuclear reactors or microreactors are gaining significant attention due to their utilization extending to civilian, military, and space applications. A few of the unique features that distinguish these reactors from current fleet of commercial power plant reactors is their use of high-assay low enriched uranium (HALEU) fuel, newer …
Dr. Inge Uytdenhouwen Abstract: To monitor the degradation of nuclear reactor pressure vessel materialsinduced by neutron irradiation; dedicated surveillance programs are in place. Goal of these programs is to evaluate the effect of neutron irradiation on the mechanical properties ahead of time compared to the real degradation of the reactor pressure vessel. Here the so …
Nicholas Fisher Distinguished Professor School of Marine and Atmospheric Sciences Stony Brook University, Stony Brook, New York Abstract: After the Fukushima accident in March 2011, marine organisms, seawater and sediment were contaminated with both 134Cs and 137Cs that was released into coastal waters. We analyzed radionuclides in Pacific biota, including plankton, diverse invertebrates, and pelagic …
Thomas Wellock Historian Abstract: Since the dawn of the Atomic Age, nuclear experts have confronted a deceptively simple question: When is a reactor "safe enough" to adequately protect the public? And, for 70 years, they have pursued a deceptively simple answer that quantified the probability of a major reactor accident. In his presentation, Tom Wellock …
Jan Schuemann, Ph.D. (he/him/his) Associate Professor Associate Director of Physics Research Head of the Multi-scale Monte-Carlo Modeling Lab Abstract: Modeling approaches offer a strong tool to understand mechanisms of complex processes, allowing us to probe correlations that are not accessible with experimental techniques. My lab uses the Monte Carlo method to investigate the effects of radiation …
Mauricio Ayllon Unzueta NASA Postdoctoral Fellow (NPP) Abstract: Planetary nuclear spectroscopy is a blanket term used to describe gamma ray and neutron spectroscopy of planetary surfaces. Spectrometers of this kind are able to measure the bulk elemental composition of a planetary object from different platforms such as orbiters and landers. In this talk, I will …
Genia Vogman Computational Scientist Abstract: Plasma, the fourth state of matter, is an important medium in space physics and fusion energy applications. Its unique multi-scale properties give rise to complex behavior that is difficult to predict. In regimes where plasma particles collide infrequently, commonly used magnetohydrodynamic descriptions fail and kinetic physics of particle-particle and particle-wave …
William Zywiec Staff Scientist and Group Leader in the Nuclear Criticality Safety Division at Lawrence Livermore National Laboratory Abstract: Since the discovery of fission and subsequent first criticality of Chicago Pile-1, more than 60 criticality accidents have occurred throughout the world. These accidents are divided into two categories: those that occur during critical experiments or …
Dr. Mahnke Heinz-Eberhard email: mahnke@helmholtz-berlin.de , webpage: https://www.helmholtz-berlin.de/pubbin/vkart.pl?v=ozx;sprache=en Abstract: More than hundred years ago, Lise Meitner and Otto Hahn intensively studied the decay of Th-234, working in close cooperation. While Otto Hahn discovered nuclear isomerism, Lise Meitner studied electrons closely related to the gamma transitions following the transformation of Th into Pa. Both, nuclear …
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