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STELLAR CHEMISTRY
Dark matter scientists on brink of discovering elusive particles
by Staff Writers
Edinburgh, UK (SPX) Feb 16, 2016


File image.

Technological advances are ushering in a new era of understanding in the search for fundamental physical particles - including dark matter - scientists will tell a public event.

Researchers are using analysis of deep space observations together with experiments far underground to hunt for dark matter - an elusive material which, together with dark energy, is thought to account for about 95 per cent of the universe.

Scientists will tell a public symposium in Washington, DC how current theories and experiment point to the existence of dark matter, but how it is little understood by scientists. Its discovery would be a fundamental development in understanding the physical universe, a meeting of the American Association for the Advancement of Science (AAAS) will hear.

Professor Alex Murphy, of the University of Edinburgh's School of Physics and Astronomy, will describe ongoing global collaborations by scientists around the world to detect and define the nature of dark matter. These include astronomy studies to examine its effect on galaxies and light in space, and experiments deep underground that seek to detect it by minimising interference from other particles.

The most sensitive of these experiments is Large Underground Xenon, or LUX, detector - which is located a mile underground in South Dakota, US. Recent improvements have increased the device's chances of identifying sub-atomic particles called WIMPs - weakly interacting massive particles - which are believed to be the main component of dark matter.

Professor Murphy said: "Technology has enabled us to ramp up our search for this fundamental material, and its place in the physical realm."

Professor Murphy will explain the research at a symposium entitled Astroparticle Physics: Understanding Mysteries of the Universe on 3pm, Saturday 13 February at the Marriot Wardman Park, Washington DC. He will be joined by Professor Angela Olinto of the University of Chicago and Professor Eun-Suk Seo of the University of Maryland.


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Previous Report
STELLAR CHEMISTRY
Bright sparks shed new light on the dark matter riddle
Washington DC (SPX) Feb 01, 2016
The origin of matter in the universe has puzzled physicists for generations. Today, we know that matter only accounts for 5% of our universe; another 25% is constituted of dark matter. And the remaining 70% is made up of dark energy. Dark matter itself represents an unsolved riddle. Physicists believe that such dark matter is composed of (as yet undefined) elementary particles that stick t ... read more


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