July 30, 2013
Mohenjo
Science
amazon, atom smasher, Bs Particle, business, Business News, cern scientists, climate, Daily Discovery, decay theory, Hotels, huffingtonpost, Large Hadron Collider, Muons, Particle Decay, Particle Physics, particle physics lab, Physics, rare subatomic particle, religion, research, Science, Science News, Slideshow, Standard Model, standard model of particle physics, technology, Technology News, travel, vacation
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After a quarter-century of searching, scientists have nailed down how one particularly rare subatomic particle decays into something else – a discovery that adds certainty to our thinking about how the universe began and keeps running.
The world’s top particle physics lab said Friday it had measured the decay time of a particle known as a Bs (B sub s) meson into two other fundamental particles called muons, which are much heavier than but similar to electrons. It was observed as part of the reams of data coming from CERN’s $10 billion Large Hadron Collider, the world’s largest atom smasher, on the Swiss-French border near Geneva.
The rare sighting at the European Center for Nuclear Research, known by its French acronym CERN, shows that the so-called standard model of particle physics is “coming through with flying colors,” though it describes only 5 percent of the universe, said Pierluigi Campana, who leads one of the two main teams at CERN involved in the research.
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Large Hadron Collider at CERN where physicists conducted particle decay experiment.
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http://www.huffingtonpost.com/2013/07/19/cern-scientists-rare-particle-decay-theory-universe-birth_n_3622595.html?ref=topbar
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May 16, 2013
Mohenjo
Science
amazon, Antigravity, Antimatter, antimatter counterpart, Antimatter Gravity, berkeley national laboratory, business, climate, Environment, experimental measurements, Gravity Antimatter, Hotels, huffingtonpost, Large Hadron Collider, Lawrence Berkeley National Laboratory, Particle Physics, Physics, research, Science, Science News, Slideshow, strange cousin, technology, Technology News, travel, vacation, Video, Weird Science
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When it comes to antimatter, what goes up doesn’t necessarily come down. In a new study, physicists weighed antimatter in an effort to determine how this strange cousin of matter interacts with gravity.
Ordinary matter atoms fall down due to the pull of gravity, but the same might not be true of antimatter, which has the same mass as matter, but opposite charge and spin. Scientists wondered whether antimatter atoms would instead fall up when pulled by gravity, and whether such a thing as antigravity exists.
“In the unlikely event that antimatter falls upward, we’d have to fundamentally revise our view of physics and rethink how the universe works,” Joel Fajans, a physicist at the Lawrence Berkeley National Laboratory in California, said in a statement.
Fajans and his colleagues at the Alpha experiment at Switzerland’s CERN physics lab made the first experimental measurements of the gravitational mass of antihydrogen — the antimatter equivalent of hydrogen, made of an antiproton and a positron (the antimatter counterpart to an electron). [Whoa! The Coolest Little Particles in Nature]
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This illustration of antimatter shows antiparticle beside its particle mirror-image.
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http://www.huffingtonpost.com/2013/04/30/antimatter-gravity-alpha-experiment-cern-force-atoms_n_3187289.html?ref=topbar
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December 17, 2012
Mohenjo
Science
Atlas, business, climate, faint hint, Higgs Boson, huffingtonpost, large hadron, Large Hadron Collider, lhc experiments, Particle Physics, photons, Physics, research, Science, Science News, Scientists, technology, travel, Two Higgs Bosons, Two-Photon Higgs Boson, vacation, Video
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A month ago scientists at the Large Hadron Collider released the latest Higgs boson results. And although the data held few obvious surprises, most intriguing were the results that scientists didn’t share.
The original Higgs data from back in July had shown that the Higgs seemed to be decaying into two photons more often than it should—an enticing though faint hint of something new, some sort of physics beyond our understanding. In November, scientists at the Atlas and LHC experiments updated everything except the two-photon data. This week we learned why.
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http://www.huffingtonpost.com/2012/12/15/two-higgs-bosons_n_2302897.html?ref=topbar
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December 7, 2012
Mohenjo
Science
atom smasher, aviation, business, climate, Color Glass Condensate, gluons, hadron collider, huffingtonpost, Large Hadron Collider, Large Hadron Collider Matter, liquidlike wave of gluons, New Matter, Particle Collision, Particles, Physics, protons and neutrons, research, Science, Science News, technology, transportation, travel, vacation, Video
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Collisions between particles inside the Large Hadron Collider atom smasher have created what looks like a new form of matter.
The new kind of matter is called color-glass condensate, and is a liquidlike wave of gluons, which are elementary particles related to the strong force that sticks quarks together inside protons and neutrons (hence they are like “glue”).
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http://www.huffingtonpost.com/2012/11/27/color-glass-condensate-large-hadron-collider-matter_n_2199988.html?utm_hp_ref=science
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