Q. Y. Zhang

activity

20212025

C P

symmetry in the entangled

Ξ^{0} - Ξ ˉ^{0}

Pairs

45 citations · 177 across the 48 of their papers we have counts for

collaborators

48 papers

hep-ex2025

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +683

Using a sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ$ (3686) events collected by the BESIII detector at the BEPCII collider, we measure the branching fractions of the decays $χ_{cJ}\t…

hep-ex2025

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the center-of-mass energy $s = 3.097$ GeV, the first absolute measurement of the branc…

hep-ex2025

Measurement of the space-like $π^{0}$ transition form factor

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at a center-of-mass energy of $3.773 GeV$ , the two-photon fusion process $e^+e^-\t…

hep-ex2025

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

BESIII Collaboration, M. Ablikim, M. N. Achasov +700

The study of the charmed baryons is crucial for investigating the strong and weak interactions in the standard model and for gaining insights into the internal structure of baryons…

hep-ex2025

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +687

Utilizing $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at the center-of-mass energy of 3.773 GeV, we report the measurements of absolute branching f…

hep-ex2025

Search for $η_{1} (1855)$ in $χ_{c J} \to η η η^{'}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on a sample of $2.7 \times 1 0^{9}$ $ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, an analysis of the decay $ψ(3686)\toγχ_{cJ}, χ_{cJ}\toηηη…

hep-ex2025

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +684

Using $(2259.3 \pm 11.1) \times 1 0^{6}$ $ψ (2 S)$ events acquired with the BESIII detector, the branching fraction of $ψ (2 S) \to τ^{+} τ^{-}$ is measured with improved precision t…

hep-ex2025

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using data samples collected by the \mbox{BESIII} detector located at the Beijing Electron Positron Collider, the cross sections of the process $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ are me…

hep-ex2025

Search for the leptonic decay $D^{+} \to e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

We search for the leptonic decay $D^{+} \to e^{+} ν_{e}$ using an $e^{+} e^{-}$ collision data sample with an integrated luminosity of 20.3~fb $^{- 1}$ collected with the BESIII detector at the…

hep-ex2025

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

We present the first amplitude analysis and branching fraction measurement of the decay $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ , using $e^{+} e^{-}$ collision data collected with the BESIII detector…

hep-ex2024

Search for the double Dalitz decays $η / η^{'} \to e^{+} e^{-} μ^{+} μ^{-}$ and $η^{'} \to μ^{+} μ^{-} μ^{+} μ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we search for the decays $η / η^{'} \to e^{+} e^{-} μ^{+} μ^{-}$ and $η^{'} \to μ^{+} μ^{-} μ^{+} μ^{-}$ v…

hep-ex2024

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

BESIII Collaboration, M. Ablikim, M. N. Achasov +657

An amplitude analysis of the Cabibbo-favored decay $D^{+} \to K^{-} π^{+} π^{+} π^{0}$ is performed, using 7.93 $fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at t…

hep-ex2024

Search for lepton number violating decays of $D_{s}^{+} \to h^{-} h^{0} e^{+} e^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +655

Based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector operating at the BEPCII collider at center-of-mass energies from 4.128 to 4.226 GeV, a search fo…

hep-ex2024

Measurement of the Inclusive Cross Sections of Prompt $J / ψ$ and $ψ (3686)$ Production in $e^{+} e^{-}$ Annihilation from $s = 3.808$ to $4.951$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +610

The inclusive cross sections of prompt $J / ψ$ and $ψ (3686)$ production are measured at center-of-mass energies from 3.808 to 4.951 GeV. The dataset used is 22 fb $^{- 1}$ of $e^{+}e^{…

hep-ex2024

Measurement of cross sections of $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} ψ (3686)$ from $s =$ 4.682 to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

The process $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} ψ (3686)$ is studied by analyzing $e^{+} e^{-}$ collision data samples collected at eight center-of-mass energies ranging from 4.682 to 4.951 GeV with…

hep-ex2024

Search for the radiative decays $D^{+} \to γ ρ^{+}$ and $D^{+} \to γ K^{*+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +652

We search for the radiative decays $D^{+} \to γ ρ^{+}$ and $D^{+} \to γ K^{*+}$ using 20.3~fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass energy $\sqrt{s}=3.77…

hep-ex2024

Observation of an axial-vector state in the study of $ψ (3686) \to ϕ η η^{'}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +635

Using (2712.4 $\pm$ 14.3) $\times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at BEPCII, a partial wave analysis of the decay $ψ (3686) \to ϕ η η^{'}$ is performed with t…

hep-ex2024

Search for $X (3872) \to π^{0} π^{0} χ_{c 1, 2}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +644

Using 10.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector with center-of-mass energies between 4.15 GeV and 4.30 GeV, we search for the decays $X(3872)\toπ^0…

hep-ex2024

Measurements of the $C P$ -even fractions of $D^{0} \to π^{+} π^{-} π^{0}$ and $D^{0} \to K^{+} K^{-} π^{0}$ at BESIII

BESIII Collaboration, M. Ablikim, M. N. Achasov +653

The $C P$ -even fractions ( $F_{+}$ ) of the decays $D^{0} \to π^{+} π^{-} π^{0}$ and $D^{0} \to K^{+} K^{-} π^{0}$ are measured with a quantum-correlated $ψ (3770) \to D D ˉ$ data sample collec…

hep-ex2024

Study of the decay $D^{0} \to ρ (770)^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

We present a study of the semileptonic decay $D^{0} \to π^{-} π^{0} e^{+} ν_{e}$ using an $e^{+} e^{-}$ annihilation data sample of $7.93 fb^{- 1}$ collected at the center-of-mass…

hep-ex2024

Study of $D^{+} \to K_{S}^{0} K^{*} (892)^{+}$ in $D^{+} \to K_{S}^{0} K_{S}^{0} π^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +643

Using a data sample of $e^{+} e^{-}$ collisions corresponding to an integrated luminosity of 7.93 $f b^{- 1}$ collected with the BESIII detector at the center-of-mass energy 3.773~GeV…

hep-ex2024

Analysis of the dynamics of the decay $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +649

The branching fraction of $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$ is measured for the first time using $7.93 fb^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at the center-of-mass…

hep-ex2024

Measurement of the Branching Fraction of \boldmath{ $ψ (2 S) \to γ π^{0}$ }

BESIII Collaboration, M. Ablikim, M. N. Achasov +650

Based on $(2712.4 \pm 14.1) \times 1 0^{6} ψ (2 S)$ events, 7.9 fb $^{- 1}$ $ψ (3773)$ data, and 0.8 fb $^{- 1}$ off-resonance data samples collected with the BESIII detector, we measure the b…

hep-ex2024★ 10 cited

Improved measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$

BESIII Collaboration

Using 7.93 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector, we measure the absolute branching fractions of $D^0\to…

Measurements of the branching fractions of χcJ​→ϕϕη,ϕϕη′ and ϕK+K−η

First measurement of the absolute branching fractions of Σ+ nonleptonic decays and test of the ΔI=1/2 rule

Measurement of the space-like π0 transition form factor

Production and Decay Dynamics of the Charmed Baryon Λc+​ in e+e− Annihilations near Threshold

Measurements of branching fractions of D0→K−3π+2π−, D0→K−2π+π−2π0 and D+→K−3π+π−π0

Search for η1​(1855) in χcJ​→ηηη′ decays

Precision measurement of the branching fraction for the decay ψ(2S)→τ+τ−

Cross section measurement of e+e−→f1​(1285)π+π− at center-of-mass energies between 3.808 and 4.951GeV

Search for the leptonic decay D+→e+νe​

Observation of the W-annihilation process Ds+​→ωρ+ and measurement of Ds+​→ϕρ+ in Ds+​→π+π+π−π0π0 decays

Search for the double Dalitz decays η/η′→e+e−μ+μ− and η′→μ+μ−μ+μ−

Amplitude analysis and branching fraction measurement of the Cabibbo-favored decay D+→K−π+π+π0

Search for lepton number violating decays of Ds+​→h−h0e+e+

Measurement of the Inclusive Cross Sections of Prompt J/ψ and ψ(3686) Production in e+e− Annihilation from s​=3.808 to 4.951 GeV

Measurement of cross sections of e+e−→KS0​KS0​ψ(3686) from s​= 4.682 to 4.951 GeV

Search for the radiative decays D+→γρ+ and D+→γK∗+

Observation of an axial-vector state in the study of ψ(3686)→ϕηη′ decay

Search for X(3872)→π0π0χc1,2​

Measurements of the CP-even fractions of D0→π+π−π0 and D0→K+K−π0 at BESIII

Study of the decay D0→ρ(770)−e+νe​

Study of D+→KS0​K∗(892)+ in D+→KS0​KS0​π+

Analysis of the dynamics of the decay D+→KS0​π0e+νe​

Measurement of the Branching Fraction of \boldmath{ψ(2S)→γπ0}

Improved measurements of D0→K−ℓ+νℓ​ and D+→Kˉ0ℓ+νℓ​

Measurements of the branching fractions of $χ_{c J} \to ϕϕ η, ϕϕ η^{'}$ and $ϕ K^{+} K^{-} η$

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

Measurement of the space-like $π^{0}$ transition form factor

Production and Decay Dynamics of the Charmed Baryon $Λ_{c}^{+}$ in $e^{+} e^{-}$ Annihilations near Threshold

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

Search for $η_{1} (1855)$ in $χ_{c J} \to η η η^{'}$ decays

Precision measurement of the branching fraction for the decay $ψ (2 S) \to τ^{+} τ^{-}$

Cross section measurement of $e^{+} e^{-} \to f_{1} (1285) π^{+} π^{-}$ at center-of-mass energies between $3.808$ and $4.951 GeV$

Search for the leptonic decay $D^{+} \to e^{+} ν_{e}$

Observation of the $W$ -annihilation process $D_{s}^{+} \to ω ρ^{+}$ and measurement of $D_{s}^{+} \to ϕ ρ^{+}$ in $D_{s}^{+} \to π^{+} π^{+} π^{-} π^{0} π^{0}$ decays

Search for the double Dalitz decays $η / η^{'} \to e^{+} e^{-} μ^{+} μ^{-}$ and $η^{'} \to μ^{+} μ^{-} μ^{+} μ^{-}$

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

Search for lepton number violating decays of $D_{s}^{+} \to h^{-} h^{0} e^{+} e^{+}$

Measurement of the Inclusive Cross Sections of Prompt $J / ψ$ and $ψ (3686)$ Production in $e^{+} e^{-}$ Annihilation from $s = 3.808$ to $4.951$ GeV

Measurement of cross sections of $e^{+} e^{-} \to K_{S}^{0} K_{S}^{0} ψ (3686)$ from $s =$ 4.682 to 4.951 GeV

Search for the radiative decays $D^{+} \to γ ρ^{+}$ and $D^{+} \to γ K^{*+}$

Observation of an axial-vector state in the study of $ψ (3686) \to ϕ η η^{'}$ decay

Search for $X (3872) \to π^{0} π^{0} χ_{c 1, 2}$

Measurements of the $C P$ -even fractions of $D^{0} \to π^{+} π^{-} π^{0}$ and $D^{0} \to K^{+} K^{-} π^{0}$ at BESIII

Study of the decay $D^{0} \to ρ (770)^{-} e^{+} ν_{e}$

Study of $D^{+} \to K_{S}^{0} K^{*} (892)^{+}$ in $D^{+} \to K_{S}^{0} K_{S}^{0} π^{+}$

Analysis of the dynamics of the decay $D^{+} \to K_{S}^{0} π^{0} e^{+} ν_{e}$

Measurement of the Branching Fraction of \boldmath{ $ψ (2 S) \to γ π^{0}$ }

Improved measurements of $D^{0} \to K^{-} ℓ^{+} ν_{ℓ}$ and $D^{+} \to K ˉ^{0} ℓ^{+} ν_{ℓ}$