The Japan Proton Accelerator Research Complex (J-PARC) is a large scientific facility located in Tokai, Japan. It focuses on advanced research in particle physics, materials science, and medical applications. J-PARC produces high-intensity proton beams, which are used for various experiments, including studies of neutrinos and the properties of nuclear matter.
J-PARC is a collaboration between the Japan Atomic Energy Agency (JAEA) and the High Energy Accelerator Research Organization (KEK). The facility includes several key components, such as a proton accelerator, a neutron source, and a muon facility, enabling a wide range of research opportunities for scientists worldwide.