3 papers
hep-ex2026
Observation of a Doubly-strange Hyperon in
BESIII Collaboration, M. Ablikim, M. N. Achasov +758
Based on a sample of events collected with the BESIII detector at BEPCII, we report the first observation of the decay $J/ψ\rightarrow K^- Σ^0 \b…
hep-ex2025
Observation of a threshold enhancement in the spectrum in decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +677
Based on the events collected with the BESIII detector, we present a high-precision study of the mass spectrum in $ψ(3686)\rightar…
hep-ex2025
Observation of the electromagnetic radiative decays of the \boldmath{} and \boldmath{} to \boldmath{}
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
Using events collected with the BESIII detector, we report the first observation of the electromagnetic radiative decays of the and $Λ(167…