Y. Meng

works on

BESIII detector 1 branching fraction 1 double dalitz decay 1 eta meson decay 1 rare decay 1

From the 1 of 2 linked papers with an AI index.

collaborators

2 papers

hep-ex2026

Measurement of the double Dalitz decay $I^\cdot \to e^{+} e^{-} e^{+} e^{-}$

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.

hep-ex2026

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / I ¨ \to K_{S}^{0} K^{+} I ¨ ^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

Using $e^{+} e^{-}$ annihilation data collected at 26 center-of-mass energy points between 3000.00 and $3119.88 MeV$ with the BESIII detector, corresponding to a total integrated…

Measurement of the double Dalitz decay I^⋅→e+e−e+e−

Strong and electromagnetic amplitudes, direct CP and isospin asymmetries in the decays J/I¨→KS0​K+I¨−+c.c.

Measurement of the double Dalitz decay $I^\cdot \to e^{+} e^{-} e^{+} e^{-}$

Strong and electromagnetic amplitudes, direct $C P$ and isospin asymmetries in the decays $J / I ¨ \to K_{S}^{0} K^{+} I ¨ ^{-} + c . c .$