J. Gong

works on

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

From the 1 of 4 linked papers with an AI index.

collaborators

4 papers

hep-ex2026

Precision measurements of semleptonic decays $D^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $D^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ ( $ℓ = e, I^¼$ )

BESIII Collaboration, M. Ablikim, M. N. Achasov +773

The branching fractions of $D^{0} \to I ¨ ^{-} e^{+} I^½_{e}$ , $D^{0} \to I ¨ ^{-} I^¼^{+} I^½_{I^} ¼$ , $D^{+} \to I ¨ ^{0} e^{+} I^½_{e}$ , and $D^{+} \to I ¨ ^{0} I^¼^{+} I^½_{I^} ¼$ are measured to be $(2.950\pm0.017_{\rm stat.}\pm 0.017_{\…

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

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +770

An amplitude analysis of the singly Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$ is performed, for the first time, to determine the relative magnitudes and phases of differ…

hep-ex2025

First measurement of the cross sections for $e^{+} e^{-} \to K^{0} K^{-} I ¨ ^{+} J / I ¨ + c . c .$ at $s$ from 4.396 to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +701

Using $e^{+} e^{-}$ collision data at 19 center-of-mass energies ranging from $4.396$ to $4.951 GeV$ corresponding to a total integrated luminosity of $8.86 fb^{- 1}$ coll…

Precision measurements of semleptonic decays D0→I¨−ℓ+I^½ℓ​ and D+→I¨0ℓ+I^½ℓ​ (ℓ=e,I^¼)

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

Amplitude analysis and branching fraction measurement of the decay D0→K+K−I¨0I¨0

First measurement of the cross sections for e+e−→K0K−I¨+J/I¨+c.c. at s​ from 4.396 to 4.951 GeV

Precision measurements of semleptonic decays $D^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $D^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ ( $ℓ = e, I^¼$ )

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

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K^{+} K^{-} I ¨ ^{0} I ¨ ^{0}$

First measurement of the cross sections for $e^{+} e^{-} \to K^{0} K^{-} I ¨ ^{+} J / I ¨ + c . c .$ at $s$ from 4.396 to 4.951 GeV