Particle-beam sources are physical systems designed to generate, accelerate, and condition beams of charged or neutral particles with controlled energy, intensity, emittance, and time structure for use in accelerators and experimental setups. They typically comprise a particle production mechanism (e.g., thermionic, photoemissive, plasma, or ionization sources), extraction electrodes, and initial acceleration stages, often followed by beam transport and focusing elements. Key performance parameters include current density, brightness, energy spread, species purity, and stability. Particle-beam sources are engineered to match specific injector requirements for downstream accelerator lattices, enabling precise control of beam phase space and temporal characteristics for applications in high-energy physics, materials science, and medical systems.
What's the best way to wake a giant after a long nap? "Very carefully, and with a lot of planning," said a grinning John Galambos. He was the project director for the Proton Power Upgrade project, or PPU, at Oak Ridge National ...
General Physics
Sep 18, 2024
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TU Wien (Vienna) has succeeded in generating laser-synchronized ion pulses with a duration of well under 500 picoseconds, which can be used to observe chemical processes on material surfaces. The work has been published in ...
Optics & Photonics
Sep 17, 2024
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In May 2022, the Facility for Rare Isotope Beams (FRIB) at Michigan State University (MSU), launched its precision measurement program. Staff from FRIB's Low Energy Beam and Ion Trap (LEBIT) facility take high-energy, rare-isotope ...
General Physics
Jun 3, 2024
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The interaction of solids with high-intensity ultra-short laser pulses has enabled major technological breakthroughs over the past half-century. On the one hand, laser ablation of solids offers micromachining and miniaturization ...
Optics & Photonics
May 14, 2024
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During the manufacturing process, many medical devices or equipment for use on humans must be sterilized according to recognized standards. This includes gowns, surgical drapes, syringes and implantable medical devices. In ...
General Physics
Mar 4, 2024
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The synthesis of multifunctional nanoparticles is commonly a complex endeavor and hampers the clinical translation of effective nanomedicines. In their most recent work, Matthias Barz and coworkers present a microfluidic ...
Bio & Medicine
Mar 22, 2023
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Microscopically tiny nanomachines which move like submarines with their own propulsion—for example in the human body, where they transport active agents and release them at a target: What sounds like science fiction has, ...
Nanophysics
Mar 11, 2022
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130
The National Institute for Materials Science (NIMS) and JEOL, Ltd. have developed a lanthanum hexaboride (LaB6) nanowire-based field emission gun that is installable on an aberration-corrected transmission electron microscope ...
Nanophysics
Dec 10, 2021
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