(Phys.org) —New supercomputing calculations provide the first evidence that particles predicted by the theory of quark-gluon interactions but never before observed are being produced in heavy-ion collisions at the Relativistic ...
General Physics
Aug 19, 2014
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What causes a proton to spin? This fundamental question has been a longstanding mystery in particle physics, although it was once thought that the answer would be fairly straightforward: The spin of a proton's three subatomic ...
General Physics
Aug 14, 2014
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The nucleus of an atom is composed of protons and neutrons, which are themselves made up of elementary particles called quarks and gluons. Observing these elementary particles is difficult and typically involves smashing ...
General Physics
Aug 8, 2014
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The protons and neutrons that make up the nucleus of an atom are themselves made up of fundamental particles known as quarks. Under everyday conditions, quarks exist only in pairs or triplets called hadrons. In high-energy ...
General Physics
Jun 20, 2014
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For decades, physicists have searched in vain for exotic bound states comprising more than three quarks. Experiments performed at Jülich's accelerator COSY have now shown that, in fact, such complex particles do exist in ...
General Physics
Jun 6, 2014
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For people who study such tiny objects as protons, neutrons, quarks, and gluons, particle physicists do things big. They belong to teams of collaborators that comprise hundreds; they work in laboratories that extend for miles; ...
General Physics
May 6, 2014
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(Phys.org) —Physicists in the College of Arts and Sciences at Syracuse University have made several important discoveries regarding the basic structure of mesons—subatomic particles long thought to be composed of one ...
General Physics
May 1, 2014
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You may have heard that CERN announced the discovery of a strange particle known as Z(4430). A paper summarizing the results has been published on the physics arxiv, which is a repository for preprint (not yet peer reviewed) ...
General Physics
Apr 11, 2014
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(Phys.org) —Supercomputers are constantly evolving to meet the increasing complexity of calculations ranging from global climate models to cosmic inflation. The bigger the puzzle, the more scientists and engineers push ...
General Physics
Apr 1, 2014
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(Phys.org) —Our world is made up of particles so tiny they may actually be points in space. These are quarks, relative newcomers to the physics conversation that were not even postulated until the mid-1960s. Put them together ...
General Physics
Mar 26, 2014
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