News tagged with standard model

No evidence of the double nature of neutrinos

After two years of searching for a special radioactive decay that would provide an indication of new physics beyond the standard model, an experiment deep under ground near Carlsbad has so far found no evidence of its existence. ...

dateJun 04, 2014 in General Physics
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How universal is (lepton) universality?

Just as a picture can be worth a thousand words, so the rarest processes at the Large Hadron Collider (LHC) can sometimes have the most to tell us. By isolating and counting decays of B+ mesons to a kaon and two leptons, ...

dateJun 04, 2014 in General Physics
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HADES searches for dark matter

Although Dark Energy and Dark Matter appear to constitute over 95 percent of the universe, nobody knows of which particles they are made up. Astrophysicists now crossed one potential Dark Matter candidate – the Dark Photon ...

dateMay 12, 2014 in General Physics
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The debut of the antihydrogen beam

The standard model of particle physics suggests that matter and antimatter are equal and opposite in every way. Yet the observable Universe is made almost entirely of matter—an asymmetry that remains one of the greatest ...

dateMar 07, 2014 in General Physics
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Glimmer of light in the search for dark matter

The Leiden astrophysicist Alexey Boyarsky and his fellow researchers may have identified a trace of dark matter that could signify a new particle: the sterile neutrino. A research group in Harvard reported a very similar ...

dateFeb 27, 2014 in General Physics
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