C. J. Xu

collaborators

17 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

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

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

M. Ablikim, M. N. Achasov, P. Adlarson +647

A search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ , together with measurement of branching fractions of $χ_{c J (J = 0, 1, 2)} \to p p ˉ K^{+} K^{-}$ in the $ψ (3686) \to γ η_{c} (2 S)$ and the $ψ(3686) \to…

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

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

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

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, we present the first observations of the decays $χ_{cJ}(J=0,1,2…

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

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 $η_{c} (2 S) \to p p ˉ$ and branching fraction measurements of $χ_{c J} \to p p ˉ$ via $ψ (2 S)$ radiative decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +648

Using $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (2 S)$ events collected by the BESIII detector operating at BEPCII, we search for the decay $η_{c} (2 S) \to p p ˉ$ via the process $ψ(2S)\to γη…

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

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

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

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for $Z_{cs}^{\pm}$ in the $Z_{cs}^{\pm} \to K^{\pm} ψ (2 S)$ Decay

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

We perform the first investigation of the process $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ and report its Born cross sections over a range of center-of-mass energies from 4.699 to 4.951~GeV. Th…

hep-ex2024

Measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

A high precision measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$ is performed using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events recorded by the {BESIII} dete…

hep-ex2024

Search for $e^{+} e^{-} \to η^{'} ψ (2 S)$ at center-of-mass energies from 4.66 to 4.95 GeV

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

Using data samples with an integrated luminosity of $4.67 fb^{- 1}$ collected by the BESIII detector operating at the BEPCII collider, we search for the process $e^+e^- \ri…

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

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​

Search for ηc​(2S)→ppˉ​K+K− and measurement of χcJ​→ppˉ​K+K− in ψ(3686) radiative decays

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

Measurement of the Branching Fraction for the Decay χcJ​→ppˉ​ηπ0

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

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

Search for ηc​(2S)→ppˉ​ and branching fraction measurements of χcJ​→ppˉ​ via ψ(2S) radiative decays

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

Study of the decay D0→ρ(770)−e+νe​

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

Measurement of the e+e−→K+K−ψ(2S) Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for Zcs±​ in the Zcs±​→K±ψ(2S) Decay

Measurement of the branching fraction of the decay J/ψ→ppˉ​η

Search for e+e−→η′ψ(2S) at center-of-mass energies from 4.66 to 4.95 GeV

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

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 $D^{+} \to e^{+} ν_{e}$

Search for $η_{c} (2 S) \to p p ˉ K^{+} K^{-}$ and measurement of $χ_{c J} \to p p ˉ K^{+} K^{-}$ in $ψ (3686)$ radiative decays

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

Measurement of the Branching Fraction for the Decay $χ_{c J} \to p p ˉ η π^{0}$

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

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 $η_{c} (2 S) \to p p ˉ$ and branching fraction measurements of $χ_{c J} \to p p ˉ$ via $ψ (2 S)$ radiative decays

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

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

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

Measurement of the $e^{+} e^{-} \to K^{+} K^{-} ψ (2 S)$ Cross Section at Center-of-Mass Energies from 4.699 to 4.951 GeV and Search for $Z_{cs}^{\pm}$ in the $Z_{cs}^{\pm} \to K^{\pm} ψ (2 S)$ Decay

Measurement of the branching fraction of the decay $J / ψ \to p p ˉ η$

Search for $e^{+} e^{-} \to η^{'} ψ (2 S)$ at center-of-mass energies from 4.66 to 4.95 GeV