The Standard Model

  • An astrophysicist from Oxford has put forward a new theory that suggests that dark matter and dark energy are actually part of the same phenomenon: a “dark fluid” with negative mass that fills the universe.
  • Next time you’re untangling your earbuds, remember that knots may have played a crucial part in kickstarting our universe, and without them we wouldn’t live in 3D. That’s the strange story pitched by physicists in a new paper, to help plug a few plot holes in the origin story of the universe.
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    ​Matter’s mysterious twin, antimatter, has become slightly less mysterious, thanks to new research at the CERN particle physics lab. Scientists have measured the optical spectrum of antihydrogen for the first time to check if antimatter behaves as predicted by the Standard Model of particle physics.
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    A new study at Case Western Reserve University is now advancing the radical new hypothesis that dark matter may in fact be made not of exotic subatomic particles, but rather of macroscopic objects which would mass anywhere from a tennis ball to a dwarf planet and as dense as a neutron star.
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    Fresh evidence has come to light supporting the theory that the particle detected at CERN's Large Hadron Collider (LHC) in 2012 is indeed the elusive Higgs boson. The work confirms that the potential Higgs boson does exhibit the decay characteristics that would be expected under the Standard Model.
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    Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Dresden, Germany have analyzed data from the HADES particle detector and concluded that the so-called "dark photons" are not the constituents of dark matter.
  • The close of 2013 gives us an excellent opportunity, though satiated with holiday feasts, to look back on a year that has been filled with scientific accomplishment.
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    The study of archaeology has long been carried out using tools from the physics lab. What is less well known is that archaeology has also made substantial contributions to physics. This is the story of old lead; why it is important to physics, and what ethical problems it presents to both sciences.
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    Following a last-minute delay, physicists Francois Englert and Peter Higgs were today jointly awarded the 2013 Nobel Prize in Physics for their independent invention of the Higgs mechanism, which supplies fundamental particles with mass.
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    Researchers at the USDOE's Jefferson Accelerator Laboratory have measured the weak charge of the proton for the first time. Early results from the Q-Weak experiment find the weak charge of the proton and the neutron to be consistent with predictions of the Standard Model.
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    In the wake of the shutdown in 2011 of the US Department of Energy's Tevatron, the remaining accelerators at the at the Fermi National Accelerator Laboratory have been reconfigured to drive a world-class neutron beam.
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    An international team of scientists using the largest telescope in the world at Keck Observatory has overcome a major obstacle to the Big Bang model of the Universe.