High Energy Particle Physics


Photocathodes Quantum Efficiency

Authors: George Rajna

Teams from the accelerator physics and the SRF groups at HZB are developing a superconducting linear accelerator featuring energy recovery (Energy Recovery Linac) as part of the bERLinPro project. [46] Particle accelerators are made of structures called cavities, which impart energy to the particle beam, kicking it forward. [45] As an alternative cost-cutting option to accelerate particles more efficiently, the wakefield accelerator has been suggested. Physicists send a beam of either electrons, protons, or a laser through a plasma. [44] A KAIST research team successfully identified the underlying principles behind electron heating, which is one of the most important phenomena in plasmas. [43] Researchers at MIT's Plasma Science and Fusion Center (PSFC) have now demonstrated how microwaves can be used to overcome barriers to steady-state tokamak operation. [42] Plasma particle accelerators more powerful than existing machines could help probe some of the outstanding mysteries of our universe, as well as make leaps forward in cancer treatment and security scanning—all in a package that's around a thousandth of the size of current accelerators. [41] The Department of Energy's SLAC National Accelerator Laboratory has started to assemble a new facility for revolutionary accelerator technologies that could make future accelerators 100 to 1,000 times smaller and boost their capabilities. [40] The authors designed a mechanism based on the deployment of a transport barrier to confine the particles and prevent them from moving from one region of the accelerator to another. "There is strong experimental evidence that there is indeed some new physics lurking in the lepton sector," Dev said. [38]

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[v1] 2018-12-10 06:08:27

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