Authors: George Rajna
Neutrinos come in three flavours made up of a mix of three neutrino masses. While the differences between the masses are known, little information was available about the mass of the lightest species until now.  Nuclear physicists successfully measured the weak charge of the proton by shooting electrons at a cold liquid hydrogen target in an experiment carried out at the Department of Energy's Thomas Jefferson National Accelerator Facility.  The IceCube Neutrino Observatory in Antarctica is about to get a significant upgrade.  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: 51 Pages.
[v1] 2019-08-25 02:27:17
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