X. M. Zhang

activity

20182025

J/ ψ

events at BESIII

121 citations · 445 across the 42 of their papers we have counts for

collaborators

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40 papers · 1 filter

hep-ex2025★ 1 cited

Evidence of transverse polarization of $Ξ^{0}$ hyperon in $ψ (3686) \to Ξ^{0} Ξ ˉ^{0}$

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

Using $(2.712 \pm 0.014) \times 1 0^{9}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we report an evidence of $Ξ^{0}$ transverse polarization with a sign…

hep-ex2025

First determination of the full spin density matrix in $ψ (3686) \to Λ Λ ˉ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we present the first complete determination of the spin density matrix in $ψ (3686) \to Λ Λ ˉ$ .…

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★ 1 cited

First observation of quantum correlations in $e^{+} e^{-} \to X D D ˉ$ and $C$ -even constrained $D D ˉ$ pairs

BESIII Collaboration, M. Ablikim, M. N. Achasov +698

The study of meson pairs produced with quantum correlations gives direct access to parameters that are challenging to measure in other systems. In this Letter, the existence of qua…

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★ 2 cited

Observation of $D \to K ˉ_{1} (1270) μ^{+} ν_{μ}$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} ν_{ℓ}$

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

By analyzing 7.93 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at the center-of-mass energy of 3.773 GeV with the BESIII detector operated at the BEPCII collider, we report t…

hep-ex2024★ 2 cited

Partial wave analyses of $ψ (3686) \to p p ˉ π^{0}$ and $ψ (3686) \to p p ˉ η$

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

Using a sample of $(2712 \pm 14) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform partial wave analyses of the decays $ψ (3686) \to p p ˉ π^{0}$ and $ψ(3686)\…

hep-ex2024★ 8 cited

Evidence for Two Excited $Ω^{-}$ Hyperons

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

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 19,fb $^{- 1}$ collected by the BESIII detector at center-of-mass energies ranging from 4.13 to 4.70,GeV, w…

hep-ex2024

Observation of $χ_{c J} \to p p ˉ K_{S}^{0} K^{-} π^{+} + c . c .$

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

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 decays of $χ_{cJ} \to p \bar{p} K^0_S K^- π^+ +c.c…

hep-ex2024

Measurement of the branching fraction of $D^{+} \to τ^{+} ν_{τ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +654

By analyzing $e^{+} e^{-}$ collision data with an integrated luminosity of 7.9~fb $^{- 1}$ collected with the BESIII detector at the center-of-mass energy of 3.773~GeV, the branching…

hep-ex2024★ 13 cited

Observation of a rare beta decay of the charmed baryon with a Graph Neural Network

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

The beta decay of the lightest charmed baryon $Λ_{c}^{+}$ provides unique insights into the fundamental mechanism of strong and electro-weak interactions, serving as a testbed for inve…

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…

hep-ex2024★ 2 cited

Partial wave analysis of $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$

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

Based on a sample of $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected with the BESIII detector, a partial wave analysis of the decay $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$ is performed…

hep-ex2024★ 3 cited

Search for the radiative transition $χ_{c 1} (3872) \to γ ψ_{2} (3823)$

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

Using 9.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data collected at center-of-mass energies from 4.178 to 4.278 GeV with the BESIII detector at the BEPCII collider, we perform the firs…

hep-ex2024★ 3 cited

Search for the Rare Decays $D_{s}^{+} \to h^{+} (h^{0}) e^{+} e^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +628

Using 7.33~fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at center-of-mass energies in the range of $s = 4.128 - 4.226$ ~GeV, we search for the rare…

hep-ex2024★ 1 cited

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

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

Based on $(2712.4 \pm 14.1) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we study the decays $h_{c} \to 3 (π^{+} π^{-}) π^{0}$ , $h_{c} \to 2 (π^{+} π^{-}) ω$ , $h_{c}\to2(π…

hep-ex2024★ 5 cited

Test of lepton universality and measurement of the form factors of $D^{0} \to K^{*} (892)^{-} μ^{+} ν_{μ}$

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

We report a first study of the semileptonic decay $D^{0} \to K^{-} π^{0} μ^{+} ν_{μ}$ by analyzing an $e^{+} e^{-}$ annihilation data sample of $7.9 fb^{- 1}$ collected at the cente…

hep-ex2024★ 4 cited

Observation of $D^{+} \to f_{0} (500) μ^{+} ν_{μ}$ and study of $D^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ decay dynamics

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

Using $2.93 fb^{- 1}$ of $e^{+} e^{-}$ collision data collected with the BESIII detector at the center-of-mass energy of 3.773 GeV,we investigate the semileptonic decays $D^+\to…

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★ 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

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

M. Ablikim, M. N. Achasov, P. Adlarson +612

The first observation of the decays $J / ψ \to p ˉ Σ^{+} K_{S}^{0}$ and $J / ψ \to p Σ ˉ^{-} K_{S}^{0}$ is reported using $(10087 \pm 44) \times 1 0^{6}$ $J\!/\!…

hep-ex2023★ 3 cited

Measurement of the absolute branching fraction of the three-body decay $Λ_{c}^{+} \to Ξ^{0} K^{+} π^{0}$ and search for $Λ_{c}^{+} \to n K^{+} π^{0}$ , $Σ^{0} K^{+} π^{0}$ and $Λ K^{+} π^{0}$

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

The Cabbibo-favored decay $Λ_{c}^{+} \to Ξ^{0} K^{+} π^{0}$ is studied for the first time using 6.1 fb $^{- 1}$ of $e^{+} e^{-}$ collision data at center-of-mass energies between 4.600 and 4.…

hep-ex2023★ 3 cited

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

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

Based on $e^{+} e^{-}$ collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis is performe…

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$^…

Evidence of transverse polarization of Ξ0 hyperon in ψ(3686)→Ξ0Ξˉ0

First determination of the full spin density matrix in ψ(3686)→ΛΛˉ

Measurement of the space-like π0 transition form factor

First observation of quantum correlations in e+e−→XDDˉ and C-even constrained DDˉ pairs

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

Observation of D→Kˉ1​(1270)μ+νμ​ and test of lepton flavor universality with D→Kˉ1​(1270)ℓ+νℓ​

Partial wave analyses of ψ(3686)→ppˉ​π0 and ψ(3686)→ppˉ​η

Evidence for Two Excited Ω− Hyperons

Observation of χcJ​→ppˉ​KS0​K−π++c.c.

Measurement of the branching fraction of D+→τ+ντ​

Observation of a rare beta decay of the charmed baryon with a Graph Neural Network

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

Partial wave analysis of ψ(3686)→ΛΣˉ0π0+c.c.

Search for the radiative transition χc1​(3872)→γψ2​(3823)

Search for the Rare Decays Ds+​→h+(h0)e+e−

Observation of the decay hc​→3(π+π−)π0

Test of lepton universality and measurement of the form factors of D0→K∗(892)−μ+νμ​

Observation of D+→f0​(500)μ+νμ​ and study of D+→π+π−ℓ+νℓ​ decay dynamics

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

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

Observation and branching fraction measurement of the decay J/ψ→pˉ​Σ+KS0​+c.c.

Measurement of the absolute branching fraction of the three-body decay Λc+​→Ξ0K+π0 and search for Λc+​→nK+π0, Σ0K+π0 and ΛK+π0

Measurement of the e+e−→KS0​KL0​π0 cross sections from s​= 2.000 to 3.080 GeV

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

Evidence of transverse polarization of $Ξ^{0}$ hyperon in $ψ (3686) \to Ξ^{0} Ξ ˉ^{0}$

First determination of the full spin density matrix in $ψ (3686) \to Λ Λ ˉ$

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

First observation of quantum correlations in $e^{+} e^{-} \to X D D ˉ$ and $C$ -even constrained $D D ˉ$ pairs

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

Observation of $D \to K ˉ_{1} (1270) μ^{+} ν_{μ}$ and test of lepton flavor universality with $D \to K ˉ_{1} (1270) ℓ^{+} ν_{ℓ}$

Partial wave analyses of $ψ (3686) \to p p ˉ π^{0}$ and $ψ (3686) \to p p ˉ η$

Evidence for Two Excited $Ω^{-}$ Hyperons

Observation of $χ_{c J} \to p p ˉ K_{S}^{0} K^{-} π^{+} + c . c .$

Measurement of the branching fraction of $D^{+} \to τ^{+} ν_{τ}$

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

Partial wave analysis of $ψ (3686) \to Λ Σ ˉ^{0} π^{0} + c . c .$

Search for the radiative transition $χ_{c 1} (3872) \to γ ψ_{2} (3823)$

Search for the Rare Decays $D_{s}^{+} \to h^{+} (h^{0}) e^{+} e^{-}$

Observation of the decay $h_{c} \to 3 (π^{+} π^{-}) π^{0}$

Test of lepton universality and measurement of the form factors of $D^{0} \to K^{*} (892)^{-} μ^{+} ν_{μ}$

Observation of $D^{+} \to f_{0} (500) μ^{+} ν_{μ}$ and study of $D^{+} \to π^{+} π^{-} ℓ^{+} ν_{ℓ}$ decay dynamics

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

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

Observation and branching fraction measurement of the decay $J / ψ \to p ˉ Σ^{+} K_{S}^{0} + c . c .$

Measurement of the absolute branching fraction of the three-body decay $Λ_{c}^{+} \to Ξ^{0} K^{+} π^{0}$ and search for $Λ_{c}^{+} \to n K^{+} π^{0}$ , $Σ^{0} K^{+} π^{0}$ and $Λ K^{+} π^{0}$

Measurement of the $e^{+} e^{-} \to K_{S}^{0} K_{L}^{0} π^{0}$ cross sections from $s =$ 2.000 to 3.080 GeV

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