symmetry magazine

dimensions of particle physics

dimensions of particle physics

A joint Fermilab/SLAC publication

 

LHC results

August 2012

July 2012

  • July 24, 2012
    breaking: A little light (or rather, massive) Higgs music
    Thanks to a few creative scientists, the recent discovery of a Higgs-like particle is music to more than just particle physicists’ ears.
  • July 9, 2012
    breaking: The statistics of scientific discovery
    In this video, Fermilab physicist explains how figuring out whether a discovery is real or just a matter of luck is similar to judging the fairness of a pair of dice. It all comes down to statistics.

June 2012

April 2012

March 2012

December 2011

  • December 13, 2011
    breaking: Possible signs of the Higgs remain in latest analyses
    Two experiments at the Large Hadron Collider have nearly eliminated the space in which the Higgs boson could dwell, scientists announced in a seminar held at CERN today. However, the ATLAS and CMS experiments see modest excesses in their data that could soon uncover the famous missing piece of the physics puzzle.

November 2011

  • November 18, 2011
    breaking: Favored Higgs hiding spot remains after most complete search yet
    The CMS and ATLAS experiments at the Large Hadron Collider have backed the Standard Model Higgs boson, if it exists, into a corner with their first combined Higgs search result.
  • November 14, 2011
    breaking: LHCb uses charm to find asymmetry
    Scientists from the LHCb collaboration at CERN recently saw curious possible evidence of this asymmetry: The difference between the decay rates of certain particles in their detector, D and anti-D charm mesons, was higher than expected.

July 2011

  • July 26, 2011
    breaking: More than one way to search for SUSY
    Image courtesy of timlewisnm on Flickr via a Creative Commons license
  • July 22, 2011
    breaking: Higgs buzz at summer physics conference 
    Physicists could be on their way to discovering the Higgs boson, if it exists, by next year. Scientists in two experiments at the Large Hadron Collider pleasantly surprised attendees at the European Physical Society conference this afternoon by both showing small hints of what could be the prized particle in the same area. “This is what we expect to find on the road to the Higgs,” said Gigi Rolandi, physics coordinator for the CMS experiment.

June 2011

  • June 17, 2011
    breaking: LHC experiments reach record data milestone
    As of this week, the Large Hadron Collider has delivered 1 inverse femtobarn of integrated luminosity to ATLAS and CMS, two of the four experimental stations housed along the ring. This means the detectors will have gathered data from about 70 trillion proton-proton collisions. For comparison, the experiments collected just 45 inverse picobarns in all of 2010; 1 inverse femtobarn is equal to one thousand inverse picobarns.
  • June 15, 2011
    breaking: String theory may hold answers about quark-gluon plasma
    Recreating the conditions present just after the Big Bang has given experimentalists a glimpse into how the universe formed. Now, scientists have begun to see striking similarities between the properties of the early universe and a theory that aims to unite gravity with quantum mechanics, a long-standing goal for physicists.

May 2011

  • May 23, 2011
    breaking: LHC experiments dive into the quark gluon plasma
    This week at Quark Matter 2011, scientists from LHC are sharing the results of their experiments, which have elevated studies of the QGP to a whole new energy level. Their observations of how particles react to the plasma have given them new hints as to its temperature and the strength of its influence.
  • May 3, 2011
    breaking: Keep it simple, SUSY
    Experimentalists at the Large Hadron Collider recently proved effective a simple, new method of looking for evidence of supersymmetry. The method addresses a challenge particle physicists often face in looking for new particles and processes: They can manifest themselves in a multitude of ways.

March 2011

  • March 30, 2011
    breaking: Rare particle decays could indicate presence of new physics
    Physicists at the LHCb experiment at the Large Hadron Collider recently reported the first observations of a new way that particles called Bs mesons decay into other particles. Studying this particular decay could provide clues as to why the universe is made up of matter rather than antimatter.
  • March 16, 2011
    breaking: LHC set to gain major ground in Higgs search
    LHC experiments’ search for the Higgs will cover an area 27 times as large as that examined by Tevatron experiments by the end of this year, according to projections. And that’s if the LHC meets just minimum expectations for data collection.

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