Authors: George Rajna
Portals mix or connect the dark sector particles with the Standard Model particles. Through the portals it is possible to explore the dark sector particles using the Standard Model particles.  The dark photon (A'), the gauge boson carrier of a hypothetical new force, has been proposed in a wide range of Beyond the Standard Model (BSM) theories, and could serve as our window to an entire dark sector.  In an abandoned gold mine one mile beneath Lead, South Dakota, the cosmos quiets down enough to potentially hear the faint whispers of the universe's most elusive material—dark matter.  The PICO bubble chambers use temperature and sound to tune into dark matter particles.  A detection device designed and built at Yale is narrowing the search for dark matter in the form of axions, a theorized subatomic particle that may make up as much as 80% of the matter in the universe.  The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally approved a key construction milestone that will propel the project toward its April 2020 goal for completion.  Scientists at the Center for Axion and Precision Physics Research (CAPP), within the Institute for Basic Science (IBS) have optimized some of the characteristics of a magnet to hunt for one possible component of dark matter called axion.  The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them, researchers said Monday.  Scientists from The University of Manchester working on a revolutionary telescope project have harnessed the power of distributed computing from the UK's GridPP collaboration to tackle one of the Universe's biggest mysteries – the nature of dark matter and dark energy. 
Comments: 37 Pages.
[v1] 2017-03-23 12:16:52
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