X. Liu

collaborators

99 papers

hep-ex2026

Precision Measurement of Decay Dynamics in $D^{0 (+)} \to I ¨ ^{- (0)} ℓ^{+} I^½_{ℓ}$

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 precisely measured, using 20.3 fb $^{- 1}$ of $e^{+} e^{-}$ c…

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 $D^{0} \to K_{S}^{0} I ¨ ^{0} I ¨ ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

An amplitude analysis of the decay $D^{0} \to K_{S}^{0} I ¨ ^{0} I ¨ ^{0}$ is performed to determine the relative magnitudes and phases of different intermediate processes. The analysis uses $e^…

hep-ex2026

Observation of the $I ¨ _{c J}$ decays into $p K^{-} I^ˉ I^\cdot + c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +780

By analyzing $(2712.4 \pm 14.3) \times 1 0^{6}$ $I ¨ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decays $Ï_{cJ} \to pK^{-}\barÎÎ·+ \mathr…

hep-ex2026

First Observation of $D^{0 (+)} \to K ˉ I ¨ e^{+} I^½_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ I ¨ $

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using 20.3~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at a center-of-mass energy of 3.773~GeV with the BESIII detector, we report the first observation of the semileptonic d…

Precision Measurement of Decay Dynamics in D0(+)→I¨−(0)ℓ+I^½ℓ​

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→KS0​I¨0I¨0

Observation of the I¨cJ​ decays into pK−I^ˉI^⋅+c.c.

First Observation of D0(+)→KˉI¨e+I^½e​ and Determination of the Branching Fraction of Kˉ1​(1270)→KˉI¨

Precision Measurement of Decay Dynamics in $D^{0 (+)} \to I ¨ ^{- (0)} ℓ^{+} I^½_{ℓ}$

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 $D^{0} \to K_{S}^{0} I ¨ ^{0} I ¨ ^{0}$

Observation of the $I ¨ _{c J}$ decays into $p K^{-} I^ˉ I^\cdot + c.c.$

First Observation of $D^{0 (+)} \to K ˉ I ¨ e^{+} I^½_{e}$ and Determination of the Branching Fraction of $K ˉ_{1} (1270) \to K ˉ I ¨ $