This year sees the 40th anniversary of the ground-breaking proposal that the interactions between quarks becomes weaker as they come closer together, laying the foundations of quantum chromodynamics, or QCD, the modern theory ...
General Physics
Feb 8, 2013
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In 2011, CMS presented early evidence that Upsilon (Υ) particles produced in lead-lead collisions "melt" as a consequence of interacting with the hot nuclear matter created in these heavy-ion interactions. CMS has since ...
General Physics
Dec 20, 2012
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How many matter particles exist in nature? Particle physicists have been dealing with this question for a long time. The 12 matter particles contained in the standard model of particle physics? Or are there further particles ...
General Physics
Dec 13, 2012
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The search for a mysterious subatomic particle can certainly involve some enormous tools, not to mention a multitude of scientists. The effort to find the elusive "Higgs boson" includes over 5,800 scientists from 56 countries! ...
General Physics
Nov 21, 2012
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Heavy ion collisions at CERN should be able to produce the shortest light pulses ever created. This was demonstrated by computer simulations at the Vienna University of Technology. The pulses are so short that they cannot ...
General Physics
Nov 12, 2012
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Amongst all known elementary particles, the top quark is peculiar: weighing as much as a Tungsten atom, it completes the so-called 3rd generation of quarks and is the only quark whose properties can be directly measured. ...
General Physics
Nov 5, 2012
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For the past month the Joint Quantum Institute (JQI) has sponsored a website allowing visitors to vote for the topic they believe will capture this year's Nobel Prize for physics. The site offered 14 Nobel-worthy topics and ...
General Physics
Oct 2, 2012
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Protons to the right, ions to the left: the basic principle of proton-ion collisions at the LHC might seem straightforward. However, this is an almost unprecedented mode of collider operation, certainly unique at the energy ...
General Physics
Sep 27, 2012
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(Phys.org)—You may think you've heard everything you need to know about the origin of mass. After all, scientists colliding protons at the Large Hadron Collider (LHC) in Europe recently presented stunning evidence strongly ...
General Physics
Aug 27, 2012
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(Phys.org) -- SLAC theorist Stan Brodsky and his collaborator Xing-Gang Wu of Chongqing University have just made the lives of high-energy particle theorists the world over a bit easier. They've demonstrated a way to literally ...
General Physics
Aug 7, 2012
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