000004379 001__ 4379 000004379 005__ 20240610070604.0 000004379 037__ $$aBELLE2-TALK-CONF-2024-077 000004379 041__ $$aeng 000004379 100__ $$aSourav Dey 000004379 245__ $$aRecent Dark Sector results from Belle and Belle II 000004379 260__ $$aEDSU Tools 2024$$c2024-06-07 000004379 300__ $$amult. p 000004379 520__ $$aRecent Dark Sector results from Belle and Belle II are presented in this talk. Search for a resonance in four-muon final states at Belle II and Search for a heavy neutral lepton that mixes predominantly with the tau neutrino at Belle are presented along with a standard model result tau->3mu, as per the request of the organizers. 000004379 8560_ $$fsdey@post.kek.jp 000004379 8564_ $$uhttps://docs.belle2.org/record/4379/files/BELLE2-TALK-CONF-2024-077.pdf