PPT-Nuclear & Atomic Data Needs for NDA Measurements & Metrology in Nuclear Safeguards

Stephen Croft ORNL Ramkumar Venkataraman ORNL Louise G Worrall ORNL Robert D McElroy Jr ORNL Andrea Favalli LANL Acknowledgement This work was sponsored in part by the US Department of Energy DOE National Nuclear Security Administration NNSA Office of Defense Nuclear Nonproliferation Research and Development NA22 and in part by ORNL and LANL. 6. th. August: the American B29 bomber Enola Gay dropped the first atomic boy, codenamed ‘Little . B. oy’ on the Japanese city of Hiroshima:. It exploded with a force of 20,000 TNT (chemical compound formula). Charles Perrow, Emeritus Professor, Yale University. Visiting Professor, Stanford University. radiation from . atomic . bombs, . nuclear . processing plants, and . nuclear . power plants . in . several countries: . . By Sophia Bocast. What are the Physics behind an Atomic Bomb?. . The immense destructive power of atomic weapons derives from a sudden release of energy produced by splitting the nuclei of the fissile elements making up the bombs' core. The U.S. developed two types of atomic bombs during the Second World War. The first, . Atomic . and Nuclear Physics. Dr. David . Roelant. Atomic and Molecular Weight. Problem 1. Using the data in the table below, compute the atomic weigh of naturally occurring oxygen.. Isotope. Abundance. Introduction to Nuclear Chemistry. Nuclear chemistry is the study of the structure of and the they undergo.. 1. . Two . main threats to security that created anxiety in Americans during the Cold . War were . Communist sympathizers. , people . who supported the communist ideology but did not join the . party, and the . Week 9. Atomic Age (1945-present). Nuclear Age begins (1945). Nuclear Bomb Test on Surface (1946-63). Nuclear Power for Electrical Generation (1951-). Underground Nuclear Test Continues… . The latest one conducted by N. Korea on January 6, 2016. ChenÉe. Tracey . Research Sponsored . by Brookhaven National Laboratory . introduction . Non-Nuclear Weapon States (NNWS) that are signatory to the Nonproliferation . Treaty (NPT) . agreed not to . M. . Kokkoris. ,. National Technical University of Athens, Greece. Structure of the Presentation:. Historical Aspects. Status in Literature. Present Status. Interesting Contributions (since 1990). Relevant Works from our Team. ARGENTINE . EXPERIENCE. STELLA MARIS BONET DURAN, . LEONARDO PARDO. Nuclear Regulatory . Authority. Argentina . RUTH SMITH. National Nuclear Security Administration . U.S. . Department of Energy . Presentation Outline. &. Nuclear Data. Paraskevi. (Vivian) . Dimitriou. Institute of Nuclear and Particle Physics. National Center for Scientific Research “. Demokritos. ”. Athens, Greece. Outline. Nuclear Reactions for Astrophysics. EFFECTIVENESS THROUGH COOPERATION. LEONARDO . PARDO. , GUSTAVO DIAZ, STELLA MARIS BONET . DURAN. Nuclear Regulatory . Authority. Buenos Aires, Argentina. SONIA FERNANDEZ MORENO, LUIS MACHADO DA . SILVA. A naturally . radioactive element . will . emit . energy without the absorption of energy from an outside source. . The nucleus of an element becomes radioactive because of an unstable ratio of protons to neutrons in the nucleus.. Steven Judge. Radioactivity Group Leader. National Physical Laboratory and University of Surrey. United Kingdom. 1. The UK’s national standards laboratory. Founded in 1900. 450 specialists in measurement science.