Fission, spallation or fusion-based neutron sources
نویسندگان
چکیده
منابع مشابه
Neutron Imaging at Spallation Neutron Sources
Neutron imaging is a powerful method for non-destructive investigations where the high penetration through metals and the high contrast for hydrogenous materials is exploited in particular. The complementary to X-ray studies is a clever alternative in many cases of scientific and industrial applications. Reactor based neutron sources are becoming less available, caused by the shutdown of aged f...
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The current reliance on X-Rays and intelligence for national security is insufficient to combat the current risks of smuggling and terrorism seen on an international level. There are a range of neutron based security techniques which have the potential to dramatically improve national security. Neutron techniques can be broadly grouped into neutron in/neutron out and neutron in/photon out techn...
متن کاملUnified description of fission in fusion and spallation reactions
We present a statistical-model description of fission, in the framework of compound-nucleus decay, which is found to simultaneously reproduce data from both heavy-ion-induced fusion reactions and proton-induced spallation reactions at around 1 GeV. For the spallation reactions, the initial compound-nucleus population is predicted by the Liège intranuclear cascade model. We are able to reproduce...
متن کاملModeling of Water Radiolysis at Spallation Neutron Sources
In spallation neutron sources neutrons are produced when a beam of high-energy particles (e.g., I GeV protons) collides with a (watercooled) heavy metal target such as tungsten. The resulting spallation reactions produce a complex radiation environment (which differs from typical conditions at fission and fusion reactors) leading to the radiolysis of water molecules. Most water radiolysis produ...
متن کاملThe Corrosion of Materials in Spallation Neutron Sources
During the past 30 years numerous particle accelerators have been developed around the world: the Fermi proton/anti-proton ring in Illinois, the KEK proton synchrotron in Japan, the CERN proton synchrotron in France, and the ISIS pulsed neutron spallation source in Oxford, to name a few. The world’s highest current spallation neutron source is the Los Alamos Neutron Science Center (LANSCE) at L...
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ژورنال
عنوان ژورنال: Pramana
سال: 2008
ISSN: 0304-4289,0973-7111
DOI: 10.1007/s12043-008-0250-6