High Energy Particle Physics


Leptonic Decay D+->T+VT

Authors: George Rajna

The Beijing Spectrometer III (BESIII) collaboration, a large team of researchers from universities worldwide conducting particle physics studies has recently reported the first observation of the leptonic decay D+→τ+ντ. [48] Instead, it involves smashing electrons into protons at nearly the speed of light, then measuring how far the electrons travel when they bounce off, or scatter, from the protons. [47] Ten years ago, just about any nuclear physicist could tell you the approximate size of the proton. But that changed in 2010, when atomic physicists unveiled a new method that promised a more precise measurement. [46]

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[v1] 2019-12-11 11:04:37

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