Authors: George Rajna
An experiment at the Department of Energy's Fermilab has made a significant advance in the detection of neutrinos that hide themselves at lower energies.  Although three types of neutrino are known, scientists are searching for a possible fourth—the sterile neutrino, whose existence has been teased but never clearly confirmed.  A pair of researchers with the Niels Bohr Institute in Denmark has come up with a possible explanation for the excess of electron neutrinos detected by researchers at the IceCube Neutrino Observatory.  The largest liquid-argon neutrino detector in the world has just recorded its first particle tracks, signaling the start of a new chapter in the story of the international Deep Underground Neutrino Experiment (DUNE).  While these experiments seem miniature in comparison to others, they could reveal answers about neutrinos that have been hiding from physicists for decades.  In a paper published today in the European Physical Journal C, the ATLAS Collaboration reports the first high-precision measurement at the Large Hadron Collider (LHC) of the mass of the W boson. 
Comments: 53 Pages.
[v1] 2019-01-09 08:52:52
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