High Energy Particle Physics

   

Explore Unknown Energy Regions

Authors: George Rajna

State University physicists are using photon-proton collisions to capture particles in an unexplored energy region, yielding new insights into the matter that binds parts of the nucleus together. [48] Scientists from the Institute of Nuclear Physics of the Polish Academy of Sciences in Cracow have found further confirmation of this assumption, this time, in the high energy collision of protons with protons or lead nuclei. [47] Ten years ago, just about any nuclear physicist could tell you the approximate size of the proton. But that changed in 2010, when atomic physicists unveiled a new method that promised a more precise measurement. [46] "Spin has surprises. Everybody thought it's simple … and it turns out it's much more complicated," Aschenauer says. [45] Approximately one year ago, a spectacular dive into Saturn ended NASA's Cassini mission-and with it a unique, 13-year research expedition to the Saturnian system. [44] Scientists from the Niels Bohr Institute, University of Copenhagen, and their colleagues from the international ALICE collaboration recently collided xenon nuclei, in order to gain new insights into the properties of the Quark-Gluon Plasma (the QGP)-the matter that the universe consisted of up to a microsecond after the Big Bang. [43] The energy transfer processes that occur in this collisionless space plasma are believed to be based on wave-particle interactions such as particle acceleration by plasma waves and spontaneous wave generation, which enable energy and momentum transfer. [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]

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[v1] 2019-10-11 04:12:36

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