positron source
51Radioactivité — Pour les articles homonymes, voir Radio. Pictogramme signalant un risque d irradiation. (☢) La radioactivité, phénomène qui fut découvert en 1896 par Henri …
52QUANTIQUE (ÉLECTRODYNAMIQUE) — L’électrodynamique quantique est une théorie qui décrit les interactions entre le champ électromagnétique quantifié et les particules avec charge électrique. C’est un exemple d’une théorie relativiste quantique des champs où le champ – dans ce… …
53Nuclear technology — A residential smoke detector is the most familiar piece of nuclear technology for some people Nuclear technology is technology that involves the reactions of atomic nuclei. Among the notable nuclear technologies are nuclear power, nuclear… …
54Tomography — Basic principle of tomography: superposition free tomographic cross sections S1 and S2 compared with the projected image P Tomography refers to imaging by sections or sectioning, through the use of any kind of penetrating wave. A device used in… …
55Alzheimer's disease — Alzheimer redirects here. For other uses, see Alzheimer (disambiguation). Alzheimer s disease Classification and external resources …
56nuclear fusion — fusion (def. 4). [1895 1900] * * * Process by which nuclear reactions between light elements form heavier ones, releasing huge amounts of energy. In 1939 Hans Bethe suggested that the energy output of the sun and other stars is a result of fusion …
57Antimatter — For other uses, see Antimatter (disambiguation). Antimatter …
58DESY — Sign at the entrance of DESY in Hamburg. The DESY (Deutsches Elektronen Synchrotron, German Electron Synchrotron ) is the biggest German research center for particle physics, with sites in Hamburg and Zeuthen. DESY s main purposes are fundamental …
59Particle accelerator — Atom smasher redirects here. For other uses, see Atom smasher (disambiguation). A 1960s single stage 2 MeV linear Van de Graaff accelerator, here opened for maintenance A particle accelerator[1] is a device that uses electromagnetic fields to… …
60Imagerie par émission de positrons — Tomographie par émission de positons Pour les articles homonymes, voir TEP. Reconstruction tridimensionnelle de la distribution de glucose marqué au fluor 18 telle que mesurée par tomographie d émission de positons La tomographie …
