TY - RPRT TI - Self-interacting sub-GeV dark matter with strong MeV gamma-ray AU - Watanabe, Yu [Univ. of California, Los Angeles, CA (United States)] (ORCID:0009000942979951) PY - 2026 DO - 10.1007/jhep03(2026)104 UR - https://www.osti.gov/biblio/3023768 ID - 3023768 ER -