From the 3 of 9 linked papers with an AI index.
8 papers
Measurement of the double Dalitz decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +689
The BESIII experiment measured the rare decay of the eta meson into two electron-positron pairs, determining its branching fraction to be about 2.6 × 10⁻⁵.
Observation of an Altered Line shape in
BESIII Collaboration, M. Ablikim, M. N. Achasov +693
Using of collision data collected with the BESIII detector at , we perform the first amplitude analysis of the decay $D^+\to…
Measurement of branching fractions of and
BESIII Collaboration, M. Ablikim, M. N. Achasov +685
By analyzing collision data corresponding to an integrated luminosity of 7.33~fb collected with the BESIII detector at center-of-mass energies ranging from 4.128 to…
Measurement of the branching fraction of
BESIII Collaboration, M. Ablikim, M. N. Achasov +684
The branching fraction of the electromagnetic Dalitz decay is measured with an collision data sample collected by the BESIII experi…
Observation of a threshold enhancement in the spectrum in decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +677
The BESIII experiment analyzed over 2.7 billion ψ(3686) decays and observed a clear resonance-like enhancement near the π⁺π⁻ mass threshold in ψ(3686)→π⁺π⁻J/ψ decays, measuring its…
Improved measurement of the branching fraction of
BESIII Collaboration, M. Ablikim, M. N. Achasov +608
Using collision data with an integrated luminosity of collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector ope…