From the 2 of 3 linked papers with an AI index.
2 papers
hep-ex2026
Precision Measurement of - Mass Difference
BESIII Collaboration, M. Ablikim, M. N. Achasov +684
The paper reports a precise measurement of the mass difference between the charm-strange mesons D_s*+ and D_s+ using e⁺e⁻ collision data collected by the BESIII detector.
hep-ex2025
Measurements of the branching fractions of and
BESIII Collaboration, M. Ablikim, M. N. Achasov +683
Using a sample of (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $Ï_{cJ}…