C. J. Xu

activity

20212025

J/ ψ

events at BESIII

121 citations · 639 across the 99 of their papers we have counts for

collaborators

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21 papers · 1 filter

hep-ex2023

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

BESIII Collaboration, M. Ablikim, M. N. Achasov +642

By analyzing $(27.12 \pm 0.14) \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII collider, the decay processes $χ_{c J} \to 3 (K^{+} K^{-})$ ( $J = 0, 1, 2$ )…

hep-ex2023

Measurements of $Σ$ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

BESIII Collaboration, M. Ablikim, M. N. Achasov +636

The process $e^{+} e^{-} \to Σ^{+} Σ ˉ^{-}$ is studied from threshold up to 3.04 GeV/ $c^{2}$ via the initial-state radiation technique using data with an integrated luminosity of 12.0…

hep-ex2023★ 9 cited

Search for a massless particle beyond the Standard Model in the $Σ^{+} \to p + invisible$ decay

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

A massless particle beyond the Standard Model is searched for in the two-body decay $Σ^{+} \to p + invisible$ using $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected…

hep-ex2023★ 7 cited

Search for the decay $χ_{c 1} (3872) \to π^{+} π^{-} χ_{c 1}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using a data sample corresponding to an integrated luminosity of 10.9 fb $^{- 1}$ collected at center-of-mass energies from 4.16 to 4.34 GeV with the BESIII detector, we search for t…

hep-ex2023★ 3 cited

Measurements of Born Cross Sections for $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

Using $e^{+} e^{-}$ collision data collected with the BESIII detector operating at the BEPCII collider, the Born cross sections of $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and…

hep-ex2023★ 1 cited

Amplitude Analysis of the Decays $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ and $π^{+} π^{-} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +630

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 2.93 $f b^{- 1}$ taken at the center-of-mass energy $s = 3.773$ ~GeV with the BESIII detector, a…

hep-ex2023★ 6 cited

First observation of $Λ_{c}^{+} \to Λ K^{+} π^{0}$ and evidence of $Λ_{c}^{+} \to Λ K^{+} π^{+} π^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

We present the first observation of the singly Cabibbo-suppressed decay $Λ_{c}^{+} \to Λ K^{+} π^{0}$ with a significance of $5.7 σ$ and the first evidence of $Λ_c^+ \rightarrow ΛK^+π…

hep-ex2023

Search for a muonphilic scalar $X_{0}$ or vector $X_{1}$ via $J / ψ \to μ^{+} μ^{-} + invisible$ decays at BESII

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

A light scalar $X_{0}$ or vector $X_{1}$ particles have been introduced as a possible explanation for the $(g - 2)_{μ}$ anomaly and dark matter phenomena. Using $(8.998\pm 0.039)\times…

hep-ex2023

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +616

Based on 7.33 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, the experimental studies of the doubly…

hep-ex2023★ 12 cited

Measurement of $e^{+} e^{-} \to η J / ψ$ Cross Section from $s =$ 3.808 GeV to 4.951 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +619

Using data samples with an integrated luminosity of 22.42 fb $^{- 1}$ collected by the BESIII detector operating at the BEPCII storage ring, we measure the cross sections of the $e^{…

nucl-ex2023★ 9 cited

First measurement of $Λ N$ inelastic scattering with $Λ$ from $e^{+} e^{-} \to J / ψ \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +636

Using an $e^{+} e^{-}$ collision data sample of $(10087 \pm 44) \times 1 0^{6} J / ψ$ events taken at the center-of-mass energy of $3.097 GeV$ by the BESIII detector at the BEPCII colli…

hep-ex2023★ 12 cited

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

BESIII Collaboration, M. Ablikim, M. N. Achasov +615

We perform for the first time an amplitude analysis of the decay $D^{+} \to K_{S}^{0} π^{+} η$ and report the observation of the decay $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ using 2.93 fb$^…

hep-ex2023★ 27 cited

Observation of a vector charmoniumlike state at 4.7 $GeV / c^{2}$ and search for $Z_{cs}$ in $e^{+} e^{-} \to K^{+} K^{-} J / ψ$

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

Using data samples with an integrated luminosity of 5.85~fb $^{- 1}$ collected at center-of-mass energies from 4.61 to 4.95 GeV with the BESIII detector operating at the BEPCII stora…

hep-ex2023★ 16 cited

Precision Measurements of $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +602

Precision measurements of the semileptonic decays $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$ are performed with 7.33\,fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected at c…

hep-ex2023★ 4 cited

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +608

Quantum-correlated $D D ˉ$ pairs collected by the BESIII experiment at the $ψ (3770)$ resonance, corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ , are used to study th…

hep-ex2023

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +609

Using a data sample corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ collected at a center-of-mass energy of 3.773~GeV with the BESIII detector at the BEPCII collider, w…

hep-ex2023★ 3 cited

Cross section measurements of $e^{+} e^{-} \to Φ K^{+} K^{-}$ and $e^{+} e^{-} \to Φ K_{S}^{0} K_{S}^{0}$ at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +611

Based on 22.7 fb $^{- 1}$ of $e^{+} e^{-}$ annihilation data collected at 33 different center-of-mass energies between 3.7730 GeV and 4.7008 GeV with the BESIII detector at the BEPCII col…

hep-ex2023★ 12 cited

Measurement of $Λ$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +591

With data samples collected with the BESIII detector at seven energy points at $s = 3.68 - 3.71$ GeV, corresponding to an integrated luminosity of 333 pb $^{- 1}$ , we present a…

hep-ex2023★ 13 cited

Precision Measurement of the Decay $Σ^{+} \to p γ$ in the Process $J / ψ \to Σ^{+} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +593

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, the radiative hyperon decay $Σ \to p γ$ is studied at an electron-positron collider experi…

hep-ex2023★ 5 cited

Search for the semi-leptonic decays $Λ_{c}^{+} \to Λ π^{+} π^{-} e^{+} ν_{e}$ and $Λ_{c}^{+} \to p K_{S}^{0} π^{-} e^{+} ν_{e}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +595

We search for the semi-leptonic decays $Λ_{c}^{+} \to Λ π^{+} π^{-} e^{+} ν_{e}$ and $Λ_{c}^{+} \to p K_{S}^{0} π^{-} e^{+} ν_{e}$ in a sample of 4.5 $fb^{- 1}$ of $e^{+} e^{-}$ annihilation data coll…

hep-ex2023★ 3 cited

Measurements of the branching fractions of the inclusive decays $D^{0} (D^{+}) \to π^{+} π^{+} π^{-} X$

BESIII Collaboration, M. Ablikim, M. N. Achasov +590

Using $e^{+} e^{-}$ annihilation data corresponding to an integrated luminosity of 2.93 fb $^{- 1}$ taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the f…

Observation of χcJ​→3(K+K−)

Measurements of Σ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

Search for a massless particle beyond the Standard Model in the Σ+→p+invisible decay

Search for the decay χc1​(3872)→π+π−χc1​

Measurements of Born Cross Sections for e+e−→Λc+​Λˉc​(2595)−+c.c. and e+e−→Λc+​Λˉc​(2625)−+c.c. at s​=4918.0 and 4950.9 MeV

Amplitude Analysis of the Decays D0→π+π−π+π− and π+π−π0π0

First observation of Λc+​→ΛK+π0 and evidence of Λc+​→ΛK+π+π−

Search for a muonphilic scalar X0​ or vector X1​ via J/ψ→μ+μ−+invisible decays at BESII

Study of the doubly Cabibbo-suppressed decays Ds+​→K+K+π− and Ds+​→K+K+π−π0

Measurement of e+e−→ηJ/ψ Cross Section from s​= 3.808 GeV to 4.951 GeV

First measurement of ΛN inelastic scattering with Λ from e+e−→J/ψ→ΛΛˉ

Observation of D+→KS0​a0​(980)+ in the amplitude analysis of D+→KS0​π+η

Observation of a vector charmoniumlike state at 4.7 GeV/c2 and search for Zcs​ in e+e−→K+K−J/ψ

Precision Measurements of Ds+​→ηe+νe​ and Ds+​→η′e+νe​

Determination of the CP-even fraction of D0→KS0​π+π−π0

Search for a scalar partner of the X(3872) via ψ(3770) decays into γηη′ and γπ+π−J/ψ

Cross section measurements of e+e−→ΦK+K− and e+e−→ΦKS0​KS0​ at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

Measurement of Λ transverse polarization in e+e− collisions at s​=3.68−3.71 GeV

Precision Measurement of the Decay Σ+→pγ in the Process J/ψ→Σ+Σˉ−

Search for the semi-leptonic decays Λc+​→Λπ+π−e+νe​ and Λc+​→pKS0​π−e+νe​

Measurements of the branching fractions of the inclusive decays D0(D+)→π+π+π−X

Observation of $χ_{c J} \to 3 (K^{+} K^{-})$

Measurements of $Σ$ electromagnetic form factors in the time-like region using the untagged initial-state radiation technique

Search for a massless particle beyond the Standard Model in the $Σ^{+} \to p + invisible$ decay

Search for the decay $χ_{c 1} (3872) \to π^{+} π^{-} χ_{c 1}$

Measurements of Born Cross Sections for $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2595)^{-} + c.c.$ and $e^{+} e^{-} \to Λ_{c}^{+} Λ ˉ_{c} (2625)^{-} + c.c.$ at $s =$ 4918.0 and 4950.9 MeV

Amplitude Analysis of the Decays $D^{0} \to π^{+} π^{-} π^{+} π^{-}$ and $π^{+} π^{-} π^{0} π^{0}$

First observation of $Λ_{c}^{+} \to Λ K^{+} π^{0}$ and evidence of $Λ_{c}^{+} \to Λ K^{+} π^{+} π^{-}$

Search for a muonphilic scalar $X_{0}$ or vector $X_{1}$ via $J / ψ \to μ^{+} μ^{-} + invisible$ decays at BESII

Study of the doubly Cabibbo-suppressed decays $D_{s}^{+} \to K^{+} K^{+} π^{-}$ and $D_{s}^{+} \to K^{+} K^{+} π^{-} π^{0}$

Measurement of $e^{+} e^{-} \to η J / ψ$ Cross Section from $s =$ 3.808 GeV to 4.951 GeV

First measurement of $Λ N$ inelastic scattering with $Λ$ from $e^{+} e^{-} \to J / ψ \to Λ Λ ˉ$

Observation of $D^{+} \to K_{S}^{0} a_{0} (980)^{+}$ in the amplitude analysis of $D^{+} \to K_{S}^{0} π^{+} η$

Observation of a vector charmoniumlike state at 4.7 $GeV / c^{2}$ and search for $Z_{cs}$ in $e^{+} e^{-} \to K^{+} K^{-} J / ψ$

Precision Measurements of $D_{s}^{+} \to η e^{+} ν_{e}$ and $D_{s}^{+} \to η^{'} e^{+} ν_{e}$

Determination of the $C P$ -even fraction of $D^{0} \to K_{S}^{0} π^{+} π^{-} π^{0}$

Search for a scalar partner of the $X (3872)$ via $ψ (3770)$ decays into $γ η η^{'}$ and $γ π^{+} π^{-} J / ψ$

Cross section measurements of $e^{+} e^{-} \to Φ K^{+} K^{-}$ and $e^{+} e^{-} \to Φ K_{S}^{0} K_{S}^{0}$ at center-of-mass energies between 3.7730 GeV and 4.7008 GeV

Measurement of $Λ$ transverse polarization in $e^{+} e^{-}$ collisions at $s = 3.68 - 3.71$ GeV

Precision Measurement of the Decay $Σ^{+} \to p γ$ in the Process $J / ψ \to Σ^{+} Σ ˉ^{-}$

Search for the semi-leptonic decays $Λ_{c}^{+} \to Λ π^{+} π^{-} e^{+} ν_{e}$ and $Λ_{c}^{+} \to p K_{S}^{0} π^{-} e^{+} ν_{e}$

Measurements of the branching fractions of the inclusive decays $D^{0} (D^{+}) \to π^{+} π^{+} π^{-} X$