PDF-electron-positronpairwhosecombinedenergyisatleastthesumoftherestenergi

eisnotonlypossiblebutinfactoccurswiththehalflifelistedbelow2NeglectingthemassesXandYwhatisthetotalenergyreleasedinthedecayofamuonaskineticenergyofthedecayproductsComparethistotheenergyreleasedin. Bob Ashley 6-. 21. -2013. Overview. Systems of the TEM. Illumination. Condenser lens system. Specimen manipulation stage. Imaging system. Image formation. Magnification. Recording system. Reading List. Introduction to scanning electron microscopy. The aims of this course are:. ● . to introduce the principles of scanning electron microscopy. ● . to describe the components of the microscope and explain how they work. (AES). 1. Brief History. Auger . E. ffect discovered in 1920’s. Meitner published first journal. Auger transitions . considered noise at first. 1953-JJ Lander. Characterization of solids today. 2. Three Steps of Auger Electron Spectroscopy. . Muons, Inc.. Innovation in research. The Problem: Bunched Beam Tomography. Advanced accelerator beam diagnostics are essential for user facilities that require intense proton beams with small . emittances. Jim Atherton. Development of Light Microscope. 1590 Hans Zacharias Janssen. 1660 Robert Hook. Onserved. . cells (cork). 1. Klein, Aaron E. The Electron Microscope: A Tool of Discovery. New . Y. ork,McGRaw. Energies in Relation to Periodic Table. 3d. 4f. 1s. 2p. http://www.docstoc.com. Energies of Orbitals. E. Hydrogen. ei. Everything other than Hydrogen. Questions: . What . is the difference between the two? Why do you think hydrogen is different?. Shielding and Penetration. Orbitals with radial probability closer to the nucleus are more . penetrating. . . The closer, more penetrating orbitals, are . shielding. the further orbitals from the nucleus. . Lewis Dot Structures. Learning Objectives. Express the arrangement of electrons in atoms . using Lewis . valence electron dot structures. Electron Arrangements. Valence electron. – an electron in an atom’s highest occupied energy level. Jeffrey. Thorin. Daniel. JJ Thompson. Discovered the electron. Wrote books on atomic theory and structure. First to suggest that atoms have parts. Robert Millikan. Found the accurate way to decide the charge carried with an atom. Kenji Yoshida. 1. , Shoji Torii. 2. . on behalf of . the PPB-BETS collaboration. 1. Shibaura Institute of Technology, Japan. 2. Waseda University, Japan. March 3, 2010. 2. HEAD 2010. Side view of the detector. throughout the radiation belts. Sarah . Glauert. British . Antarctic Survey, Cambridge, UK. SPACECAST . stakeholders . meeting, . BAS, . 7 February 2014. Electron Radiation Belts. High energy electrons (E>500 keV) are trapped by Earth’s magnetic field. Wave-Particle Duality. Up until now, when you have met waves and particles, you will have treated them as separate entities. However, you will soon find that particles exhibit wave like behaviour and vice versa! This experiment will illustrate this. . Quantum Atomic Theory. Heisenberg (1901-1976). Schrödinger (1887-1961). Einstein (1879-1955). Pauli (1900-1958). Plank (1858-1947). Bohr-Rutherford . vs. Quantum. Similarities. Electrons have discrete amounts of energy. Tutor: Peter Harris. Click on the buttons to move between slides. .. (Make sure you are in “Slide Show” mode). The aims of this course are:. ● . to explain how X-rays are generated in the electron microscope.