Qing-Nian Xu

activity

20122020

most citedPrecision measurement of the integrated luminosity of the data taken by BESIII at center of mass energies between 3.810 GeV and 4.600 GeV

164 citations · 433 across the 11 of their papers we have counts for

collaborators

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10 papers · 1 filter

hep-ex2020★ 53 cited

Study of the $ψ_{2} (3823)$ and $χ_{c 1} (3872)$ states in $B^{+} \to (J ψ π^{+} π^{-}) K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +956

The decays $B^{+} \to J / ψ π^{+} π^{-} K^{+}$ are studied using a data set corresponding to an integrated luminosity of 9fb $^{- 1}$ collected with the LHCb detector in proton-proton co…

hep-ex2018

Search for $h_{c} \to π^{+} π^{-} J / ψ$ via $ψ (3686) \to π^{0} π^{+} π^{-} J / ψ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +415

Using a data sample of $448.1 \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector operating at the BEPCII, we perform search for the hadronic transition $h_c\rightarrowπ…

hep-ex2016★ 53 cited

Study of $J / ψ$ and $ψ (3686) \to Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +426

We study the decays of $J / ψ$ and $ψ (3686)$ to the final states $Σ (1385)^{0} Σ ˉ (1385)^{0}$ and $Ξ^{0} Ξ ˉ^{0}$ based on a single baryon tag method using data samples of $(1310.6 \p…

hep-ex2016★ 6 cited

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

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

Based on a sample of $1.31 \times 1 0^{9}$ $J / ψ$ events collected with the BESIII detector, an amplitude analysis of the isospin-violating decays $η^{'} \to π^{+} π^{-} π^{0}$ and…

hep-ex2016★ 47 cited

Study of $ψ$ decays to the $Ξ^{-} Ξ ˉ^{+}$ and $Σ (1385)^{\mp} Σ ˉ (1385)^{\pm}$ final states

BESIII Collaboration, M. Ablikim, M. N. Achasov +407

We study the decays of the charmonium resonances $J / ψ$ and $ψ (3686)$ to the final states $Ξ^{-} Ξ ˉ^{+}$ , $Σ (1385)^{\mp} Σ ˉ (1385)^{\pm}$ based on a single baryon tag method usin…

hep-ex2015★ 54 cited

Observation of $e^{+} e^{-} \to ω χ_{c 1, 2}$ near $s$ = 4.42 and 4.6 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +410

Based on data samples collected with the BESIII detector operating at the BEPCII storage ring at center-of-mass energies $s >$ 4.4 GeV, the processes $e^+e^- \rightarrow ωχ_…

hep-ex2015★ 164 cited

Precision measurement of the integrated luminosity of the data taken by BESIII at center of mass energies between 3.810 GeV and 4.600 GeV

M. Ablikim, M. N. Achasov, X. C. Ai +408

From December 2011 to May 2014, about 5 $f b^{- 1}$ of data were taken with the BESIII detector at center-of-mass energies between 3.810 GeV and 4.600 GeV to study the charmonium…

hep-ex2014★ 12 cited

Evidence for $e^{+} e^{-} \to γ χ_{c 1, 2}$ at center-of-mass energies from 4.009 to 4.360 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +405

Using data samples collected at center-of-mass energies of $s$ = 4.009, 4.230, 4.260, and 4.360 GeV with the BESIII detector operating at the BEPCII collider, we perform a s…

hep-ex2014★ 26 cited

Observation of Electromagnetic Dalitz decays J/ψ\to P e^+e^-

M. Ablikim, M. N. Achasov, X. C. Ai +377

Based on a sample of (225.3\pm2.8)\times 10^{6} J/ψevents collected with the BESIII detector, the electromagnetic Dalitz decays of J/ψ\to P e^+e^-(P=η'/η/π^0) are studied. By recon…

hep-ex2012★ 18 cited

Evidence for $η_{c} \to γ γ$ and Measurement of $J / ψ \to 3 γ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +340

The decay of $J / ψ$ to three photons is studied using $ψ (3686) \to π^{+} π^{-} J / ψ$ in a sample of $1.0641 \times 1 0^{8}$ $ψ (3686)$ events collected with the BESIII detector. Evidence of the di…

Study of the ψ2​(3823) and χc1​(3872) states in B+→(Jψπ+π−)K+ decays

Search for hc​→π+π−J/ψ via ψ(3686)→π0π+π−J/ψ

Study of J/ψ and ψ(3686)→Σ(1385)0Σˉ(1385)0 and Ξ0Ξˉ0

Amplitude Analysis of the Decays η′→π+π−π0 and η′→π0π0π0

Study of ψ decays to the Ξ−Ξˉ+ and Σ(1385)∓Σˉ(1385)± final states

Observation of e+e−→ωχc1,2​ near s​ = 4.42 and 4.6 GeV