Search for Cosmic-Ray Boosted Sub-GeV Dark Matter Using Recoil Protons at Super-Kamiokande - Abe,K; Hayato,Y; Hiraide,K; Ieki,K; Ikeda,M; Kameda,J; Kanemura,Y; Kaneshima,R; Kashiwagi,Y; Kataoka,Y; Miki,S; Mine,S; et al. (PHYSICAL REVIEW LETTERS, 2023)