26-31 July 2021
Mexico City
Mexico/General timezone
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Contribution Parallel

Mexico City -
QCD and Hadron Structure

Current Status of ULQ2 Experiment: Proton Radius Measurement with Low-energy Electron Scattering.


  • Dr. Yuki HONDA

Primary authors

  • Dr. Yuki HONDA (Research Center for Electron Photon Science, Tohoku University, Japan)


Proton, the most common hadron in the universe, have a puzzle in their charge radius. Accurate knowledge of the radius is very important to understand how quantum chromodynamics (QCD) works in the non-perturbative region. ULQ2 experiment aims to obtain the most reliable radius for electron scattering. Commissioning of the new beamline and spectrometers is ongoing, and physics run will start from FY2021. In this talk, I will present about details and current status of the ULQ2 experiment.