Observation of the Open-Charm Tetraquark Candidate T_{cs0}^{*}(2870)^{0} in the B^{-}→D^{-}D^{0}K_{S}^{0} Decay. - Aaij R; Abdelmotteleb ASW; Abellan Beteta C; Abudinén F; Ackernley T; Adefisoye AA; Adeva B; Adinolfi M; Adlarson P; Agapopoulou C; Aidala CA; Ajaltouni Z; et al. (Physical review letters, 2025)