• Observation of New Ω 0 cStates Decaying to the Ξc plus K- Final State

• Observation of a New Excited Ds+ Meson in B0 → D- D+ K+ π- Decays

• Observation of the decays B(s)0 → Ds1(2536)?K±

• Observation of an exotic narrow doubly charmed tetraquark

• Observation of Square-Root Higher-Order Topological States in Photonic Waveguide Arrays

• Observation of the hindered electromagnetic Dalitz decay ψ(3686) → e+ e-ηc

• Obstetric and Gynecologic Outcomes after the Transvaginal Repair of Cesarean Scar Defect in a Series of 183 Women

• Observation of new excited Bs0 states

• Obesity and COVID-19 in Adult Patients With Diabetes

• Obesity and Poststroke Fatigue: A 2-Year Longitudinal Study

• Observation of D0 → K1 (1270) -e+νe

• Observation of Λb0 → D+pπ-π- and Λb0 → D*+pπ-π- decays

• Observation of the decay Ds+ → ωπ+η

• Observation of ψ (3686) →Ξ (1530)0 (Ξ)over-bar (1530)0 and Ξ (1530)0 (Ξ)over-bar0

• Observation and branching fraction measurement of the decay Ξb- → Λ0 bπ -