M. Qi

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

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 of Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p K^{+} K^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +686

Using a sample of $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 4.4 $fb^{- 1}$ collected with the BESIII detector at the BEPCII collider and produ…

hep-ex2026

An improved measurement of $I^\cdot^{'} \to e^{+} e^{-} I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +772

Using a sample of $(10087 \pm 44) \times 1 0^{6}$ $J / I ¨ $ events collected with the BESIII detector, an improved measurement of the decay $I^\cdot^{'} \to e^{+} e^{-} I ¨ $ , with…

hep-ex2026

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} ℓ^{+} I^½_{ℓ}$ and observation of $D^{0} \to K_{2}^{} (1430)^{-} ℓ^{+} I^½_{ℓ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +680

We report a study of the semileptonic decays $D^{0} \to K ˉ^{0} I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ (where $ℓ = e, I^¼$ ) based on a sample of $20.3 fb^{- 1}$ of $e^{+} e^{-}$ annihilati…

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

Amplitude Analysis of Singly Cabibbo-Suppressed Decay Λc+​→pK+K−

An improved measurement of I^⋅′→e+e−I¨

Precise measurement of the form factors in D0→K∗(892)−ℓ+I^½ℓ​ and observation of D0→K2∗​(1430)−ℓ+I^½ℓ​

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

Amplitude Analysis of Singly Cabibbo-Suppressed Decay $Λ_{c}^{+} \to p K^{+} K^{-}$

An improved measurement of $I^\cdot^{'} \to e^{+} e^{-} I ¨ $

Precise measurement of the form factors in $D^{0} \to K^{} (892)^{-} ℓ^{+} I^½_{ℓ}$ and observation of $D^{0} \to K_{2}^{} (1430)^{-} ℓ^{+} I^½_{ℓ}$