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Keyword: supersymmetry

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  • Come out, come out, wherever you are!

    02/04/2015 2:55:51 AM PST · by samtheman · 10 replies
    The Economist ^ | Jan 3, 2015 | The Economist
    IN MARCH, after a two-year shut down for an upgrade, the world’s biggest particle accelerator, the Large Hadron Collider (LHC), will reopen for business. The rest of the year will see physicists biting their nails—for one way or another 2015 will go down as a famous date in their field. Either theoreticians will be proved spectacularly right, and experimenters can move confidently on into the verdant pastures of so-called new physics, engaging in a positive safari of hunting for novel particles, or they will find out, to exaggerate only slightly, that they do not understand how the universe really works.
  • The supersymmetry calamity

    01/31/2015 9:06:49 PM PST · by LibWhacker · 25 replies
    Winnipeg Free Press ^ | 1/31/15 | Colin Gillespie
    Enlarge Image It sounds esoteric, like an episode of The Big Bang Theory, and maybe someday it will be. But even in the fields of physics, supersymmetry is esoteric. What is supersymmetry? What is the calamity? Why should you care?What it is... is an idea: particular superheroes! Here's their story. The standard model is the crown jewel of physics. All you need to know is it describes subatomic particles and the forces that affect them. It has 16 kinds of particles: six quarks, six leptons and four bosons. Lately, headlines tell us add the Higgs. The standard model depicts...
  • As Supersymmetry Fails Tests, Physicists Seek New Ideas

    11/29/2012 3:10:46 PM PST · by neverdem · 32 replies
    Simons Science News ^ | November 20, 2012 | Natalie Wolchover
    No hints of “new physics” beyond the predictions of the Standard Model have turned up in experiments at the Large Hadron Collider, a 17-mile circular tunnel at CERN Laboratory in Switzerland that slams protons together at high energies. (Photo: CERN) As a young theorist in Moscow in 1982, Mikhail Shifman became enthralled with an elegant new theory called supersymmetry that attempted to incorporate the known elementary particles into a more complete inventory of the universe.“My papers from that time really radiate enthusiasm,” said Shifman, now a 63-year-old professor at the University of Minnesota. Over the decades, he and thousands of...
  • Scientists Predict How To Detect A Fourth Dimension Of Space

    05/25/2006 1:35:30 PM PDT · by Ben Mugged · 163 replies · 3,235+ views
    Science Daily ^ | May 25, 2006 | Unattributed (Duke University)
    Scientists at Duke and Rutgers universities have developed a mathematical framework they say will enable astronomers to test a new five-dimensional theory of gravity that competes with Einstein's General Theory of Relativity. Charles R. Keeton of Rutgers and Arlie O. Petters of Duke base their work on a recent theory called the type II Randall-Sundrum braneworld gravity model. The theory holds that the visible universe is a membrane (hence "braneworld") embedded within a larger universe, much like a strand of filmy seaweed floating in the ocean. The "braneworld universe" has five dimensions -- four spatial dimensions plus time -- compared...
  • Supersymmetry and Parallel Dimensions [profile of Harvard physicist Lisa Randall]

    01/12/2006 11:54:38 AM PST · by snarks_when_bored · 76 replies · 8,388+ views
    The Harvard Crimson ^ | January 6, 2006 | Adrian J. Smith
    Supersymmetry and Parallel Dimensions Harvard Physicst Randall among world’s leading string theorists Published On Friday, January 06, 2006  1:00 AM By ADRIAN J. SMITH Crimson Staff Writer Professor of Physics Lisa Randall ’83, recently named one of Newsweek’s most influential people of 2006, rose to the top with her theories on gravity. (Photo credit: CRIMSON/GLORIA B. HO) Professor of Physics Lisa Randall ’83 saw how strong gravity could be during a climbing fall in New Hampshire two years ago. She was performing a “challenging” move when she took a surprising fall, she says. Instead of stopping the fall, her support...
  • Astronomy Picture of the Day 8-6-02

    08/06/2002 1:28:19 PM PDT · by petuniasevan · 7 replies · 307+ views
    NASA ^ | 8-06-02 | Robert Nemiroff and Jerry Bonnell
    Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 August 6 Muon Wobble Possible Door to Supersymmetric Universe Credit: R. Bowman, g-2 Collaboration, BNL, DOE Explanation: How fast do fundamental particles wobble? A surprising answer to this seemingly inconsequential question is coming out of Brookhaven National Laboratory in New York, USA and may not only that indicate that the Standard Model of Particle Physics is incomplete but also that our universe is filled with a previously...