28 September 2019
An international research team has conducted a precise measurement of the spectrum of protons, the most abundant component of cosmic rays, in an energy range from 40 GeV to 100 TeV (one TeV is one trillion electron volts, corresponding to one trillion times the energy of visible light) with China's Dark Matter Particle Explorer (DAMPE), also known as Wukong or Monkey King. This is the first time that an experiment directly measures the cosmic ray protons up to the energy of 100 TeV with high precision, according to the research team.
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