Authors: George Rajna
This problem is among the still unresolved questions of the current standard description of the Big Bang.  Recent observations have created a puzzle for astrophysicists: Since the Big Bang, fewer galaxy clusters have formed over time than were actually expected.  Scanning the sky for X-ray sources, ESA's XMM-Newton X-ray observatory has been busy with the XXL Survey, its largest observational programme to date.  A duo of researchers from the Czech Republic has performed a study of the neutral hydrogen supershell known as GS242-03+37, a large structure in the Milky Way galaxy.  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.  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.  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.  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. 
Comments: 85 Pages.
[v1] 2018-10-10 07:45:03
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