X. P. Qin

activity

20102025

χ_{c J}

radiative decays into a vector meson

154 citations · 732 across the 17 of their papers we have counts for

collaborators

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17 papers · 1 filter

hep-ex2025

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

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

Using $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector, we study the semileptonic decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ for the first time at an electron-…

hep-ex2025

Study of $ϕ \to K K ˉ$ and $K_{S}^{0} - K_{L}^{0}$ Asymmetry in the Amplitude Analysis of $D_{s}^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +695

Using $e^{+} e^{-}$ annihilation data corresponding to a total integrated luminosity of 7.33 $f b^{- 1}$ collected at center-of-mass energies between 4.128 and 4.226~GeV with the BESI…

hep-ex2022★ 1 cited

Search for the weak decay $ψ (3686) \to Λ_{c}^{+} Σ ˉ^{-} + c . c$

BESIII Collaboration, M. Ablikim, M. N. Achasov +569

Using $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector, we perform the first search for the weak baryonic decay $ψ(3686) \to Λ_c^{+} \barΣ^- +c.c…

hep-ex2021★ 10 cited

Amplitude analysis and branching-fraction measurement of $D_{s}^{+} \to K_{S}^{0} K^{-} π^{+} π^{+}$

BESIII Collaboration

Using 6.32 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at the center-of-mass energies between 4.178 and 4.226 GeV,~an amplitude analysis of the $D^{+}_{s}…

hep-ex2020★ 4 cited

Search for New Hadronic Decays of $h_{c}$ and Observation of $h_{c} \to K^{+} K^{-} π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +493

Ten hadronic final states of the $h_{c}$ decays are investigated via the process $ψ (3686) \to π^{0} h_{c}$ , using a data sample of $(448.1 \pm 2.9) \times 1 0^{6}$ $ψ (3686)$ events c…

hep-ex2020★ 20 cited

Observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$

BESIII Collaboration

We report the first observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$ using an $e^{+} e^{-}$ collision data sample corresponding to an integrated luminosity of $2.93~\mathrm{fb}^{-1…

hep-ex2019★ 34 cited

Observation of the leptonic decay $D^{+} \to τ^{+} ν_{τ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +479

We report the first observation of $D^{+} \to τ^{+} ν_{τ}$ with a significance of $5.1 σ$ . We measure ${\cal B}(D^+\toτ^+ν_τ) = (1.20\pm0.24_{\text{stat.}}\pm0.12_{\text{syst.}})\times10^{-3…

hep-ex2018★ 9 cited

Precision measurements of $σ_{B} (e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp})$ at center-of-mass energies between 3.8 and 4.6 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +444

Using data samples collected by the BESIII detector operating at the BEPCII storage ring, we measure the $e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp}$ Born cross sections at center-of-mass…

hep-ex2016★ 51 cited

Improved measurement of the absolute branching fraction of $D^{+} \to K ˉ^{0} μ^{+} ν_{μ}$

M. Ablikim, M. N. Achasov, X. C. Ai +419

By analyzing 2.93 fb $^{- 1}$ of data collected at $s = 3.773$ GeV with the BESIII detector, we measure the absolute branching fraction ${\mathcal B}(D^{+}\rightarrow\bar K^0μ^{+…

hep-ex2015★ 80 cited

Observation of a Neutral Structure near the $D D ˉ^{}$ Mass Threshold in $e^{+} e^{-} \to (D D ˉ^{})^{0} π^{0}$ at $s$ = 4.226 and 4.257 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +400

A neutral structure in the $D D ˉ^{*}$ system around the $D D ˉ^{*}$ mass threshold is observed with a statistical significance greater than 10 $σ$ in the processes $e^{+}e^{-…

hep-ex2011★ 95 cited

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

BESIII Collaboration

A partial wave analysis of the $p p ˉ$ mass-threshold enhancement in the reaction $J / ψ \to γ p p ˉ$ is used to determine: its $J^{P C}$ quantum numbers to be $0^{-+}$ ; i…

hep-ex2011★ 36 cited

Search for a light exotic particle in J/psi radiative decays

BESIII Collaboration

Using a data sample containing 1.06x10^8 psi' events collected with the BESIII detector at the BEPCII electron-positron collider, we search for a light exotic particle X in the pro…

hep-ex2011★ 35 cited

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

BESIII Collaboration

We present results of a study of the decay $J / ψ \to ω η π^{+} π^{-}$ using a sample of $(225.2 \pm 2.8) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector, and report the observ…

hep-ex2011★ 12 cited

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

BESIII Collaboration

First measurements of the decays of the three $χ_{c J}$ states to $p p ˉ K^{+} K^{-}$ final states are presented. Intermediate $ϕ \to K^{+} K^{-}$ and $Λ (1520) \to p K^{-}$ resonance s…

hep-ex2011★ 154 cited

Study of $χ_{c J}$ radiative decays into a vector meson

BESIII Collaboration

The decays $χ_{c J} \to γ V$ ( $V = ϕ, ρ^{0}, ω$ ) are studied with a sample of radiative $\psip\toγχ_{cJ}$ events in a sample of $(1.06\pm0.04)\times 10^{8} \psip$ events collected with the…

hep-ex2011★ 39 cited

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$

The BESIII Collaboration

The Dalitz plot of $η^{'} \to η π^{+} π^{-}$ decay is studied using $(225.2 \pm 2.8) \times 1 0^{6}$ $\jpsi$ events collected with the BESIII detector at the BEPCII $e^{+} e^{-}$ collider. Wi…

hep-ex2010★ 152 cited

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

BESIII Collaboration

With a sample of (225.2\pm2.8)*10^{6} J/psi events registered in the BESIII detector, J/psi->gamma pi^+ pi^- eta' is studied using two eta' decay modes: eta'->pi^+ pi^- eta and eta…

Measurements of the Absolute Branching Fraction of the Semileptonic Decay Ξ−→Λe−νˉe​ and the Axial Charge of the Ξ−

Study of ϕ→KKˉ and KS0​−KL0​ Asymmetry in the Amplitude Analysis of Ds+​→KS0​KL0​π+ Decays

Search for the weak decay ψ(3686)→Λc+​Σˉ−+c.c

Amplitude analysis and branching-fraction measurement of Ds+​→KS0​K−π+π+

Search for New Hadronic Decays of hc​ and Observation of hc​→K+K−π+π−π0

Observation of the semi-muonic decay D+→ωμ+νμ​

Observation of the leptonic decay D+→τ+ντ​

Precision measurements of σB​(e+e−→KS0​K±π∓) at center-of-mass energies between 3.8 and 4.6 GeV

Improved measurement of the absolute branching fraction of D+→Kˉ0μ+νμ​

Observation of a Neutral Structure near the DDˉ∗ Mass Threshold in e+e−→(DDˉ∗)0π0 at s​ = 4.226 and 4.257 GeV

Spin-Parity Analysis of ppbar Mass Threshold Structure in J/psi and psi' Radiative Decays

Search for a light exotic particle in J/psi radiative decays

Study of resonant structure around 1.8 GeV/c2 and η(1405) in J/ψ→ωηπ+π−

Observation of χ_{cJ} decaying into the p\bar{p}K^{+}K^{-} final state

Study of χcJ​ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay η′→ηπ+π−

Confirmation of the X(1835) and observation of the resonances X(2120) and X(2370) in J/psi->gamma pi^+pi^-eta'

Measurements of the Absolute Branching Fraction of the Semileptonic Decay $Ξ^{-} \to Λ e^{-} ν ˉ_{e}$ and the Axial Charge of the $Ξ^{-}$

Study of $ϕ \to K K ˉ$ and $K_{S}^{0} - K_{L}^{0}$ Asymmetry in the Amplitude Analysis of $D_{s}^{+} \to K_{S}^{0} K_{L}^{0} π^{+}$ Decays

Search for the weak decay $ψ (3686) \to Λ_{c}^{+} Σ ˉ^{-} + c . c$

Amplitude analysis and branching-fraction measurement of $D_{s}^{+} \to K_{S}^{0} K^{-} π^{+} π^{+}$

Search for New Hadronic Decays of $h_{c}$ and Observation of $h_{c} \to K^{+} K^{-} π^{+} π^{-} π^{0}$

Observation of the semi-muonic decay $D^{+} \to ω μ^{+} ν_{μ}$

Observation of the leptonic decay $D^{+} \to τ^{+} ν_{τ}$

Precision measurements of $σ_{B} (e^{+} e^{-} \to K_{S}^{0} K^{\pm} π^{\mp})$ at center-of-mass energies between 3.8 and 4.6 GeV

Improved measurement of the absolute branching fraction of $D^{+} \to K ˉ^{0} μ^{+} ν_{μ}$

Observation of a Neutral Structure near the $D D ˉ^{}$ Mass Threshold in $e^{+} e^{-} \to (D D ˉ^{})^{0} π^{0}$ at $s$ = 4.226 and 4.257 GeV

Study of resonant structure around 1.8 GeV/ $c^{2}$ and $η (1405)$ in $J / ψ \to ω η π^{+} π^{-}$

Study of $χ_{c J}$ radiative decays into a vector meson

Measurement of the Matrix Element for the Decay $η^{'} \to η π^{+} π^{-}$