News tagged with ion collider
Measurements from high-energy collisions lead to better understanding of why meson particles disappear
For several years, physicists at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory (BNL), USA, have studied an unusual state of matter called the quark–gluon plasma, which they ...
Feb 10, 2012 |
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The perfect liquid -- now even more perfect
Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...
Jan 17, 2012 |
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Rice-born detector finds heaviest antimatter
Physicists at Rice University and their collaborators have detected the antimatter partner of the helium nucleus, antihelium-4. This newly observed particle is the heaviest antimatter particle ever detected. ...
Apr 25, 2011 |
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Antihelium-4: Physicists nab new record for heaviest antimatter
(PhysOrg.com) -- Members of the international STAR collaboration at the Relativistic Heavy Ion Collider -- a particle accelerator used to recreate and study conditions of the early universe at the U.S. Department ...
Apr 24, 2011 |
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Physicists observe antihelium-4 nucleus, the heaviest antinucleus yet
(PhysOrg.com) -- In 1932, scientists observed the first antimatter particle, a positron (or antielectron). Since then, scientists have observed heavier and heavier states of antimatter: antiprotons and antineutrons ...
Mar 22, 2011 |
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Unique new probe of proton spin structure at Relativistic Heavy Ion Collider
Scientists hoping to unravel the mystery of proton spin at the Relativistic Heavy Ion Collider (RHIC), a 2.4-mile-circumference particle accelerator at the U.S. Department of Energy’s (DOE) Brookhaven ...
Feb 15, 2011 |
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The heaviest known antimatter
When an international team of scientists working at the Relativistic Heavy Ion Collider (RHIC) announced the discovery of the most massive antinucleus to date — and the first containing an anti-strange ...
Feb 14, 2011 |
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A flow of heavy-ion results from the Large Hadron Collider
The Large Hadron Collider shut down its proton beams on Nov. 4, 2010, and quickly began circulating beams of lead ions, a run scheduled to last a month. Within days, the first results from ALICE, the LHC experiment ...
Dec 08, 2010 |
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Large Hadron Collider experiments bring new insight into primordial universe
(PhysOrg.com) -- After less than three weeks of heavy-ion running, the three experiments studying lead ion collisions at the LHC have already brought new insight into matter as it would have existed in the ...
Nov 26, 2010 |
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CERN completes transition to lead-ion running at the Large Hadron Collider
Four days is all it took for the LHC operations team at CERN to complete the transition from protons to lead ions in the LHC. After extracting the final proton beam of 2010 on 4 November, commissioning th ...
Nov 08, 2010 |
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Large Hadron Collider pauses protons; enters new phase
(PhysOrg.com) -- Proton running for 2010 in the Large Hadron Collider at CERN came to a successful conclusion today. Since the end of March, when the first collisions occurred at a total energy of 7 TeV, the ...
Nov 04, 2010 |
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New beam source for Brookhaven accelerators
(PhysOrg.com) -- A new source of ions will soon be the starting point for the beams entering two major research facilities at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory - the Relativistic ...
Oct 15, 2010 |
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Grant advances quark-gluon plasma studies
Rice University's Bonner Nuclear Lab has won a $1.175 million grant that will support its research on high-density and hot nuclear matter.
Oct 07, 2010 |
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A step closer to Big Bang conditions? More study is needed to confirm the latest LHC findings
Since December, the Large Hadron Collider (LHC) has been smashing particles together at record-setting energy levels. Physicists hope that those high-energy collisions could replicate the conditions seen immediately ...
Sep 29, 2010 |
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Explained: Quark gluon plasma
For a few millionths of a second after the Big Bang, the universe consisted of a hot soup of elementary particles called quarks and gluons. A few microseconds later, those particles began cooling to form protons ...
Jun 09, 2010 |
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