| A new facility in Tokai, J-PARC, has intense proton beam at 50 GeV in the main ring and performs hadron physics as well as the particle physics including the long-base-line neutrino physics. I am going to discuss the newly approved high-momentum beam line and its possibility of doing charm hadron physics. As a theorist, I introduce key physics issues of heavy hadron spectroscopy, exotic hadron states and charmed hadrons bound in nuclei.
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